What are figure stones in the context of the Stone Age?

“Figure stones” are stones claimed to show intentional figurative shaping or motifs (e.g., animal or human-like forms), often debated against natural fracture and pareidolia.

What is Richard Wilson’s “Erschwing bear tracks” paper about?

It argues for bear-like “iconography” in a lithic assemblage and includes a control-style comparison intended to estimate how often similar forms appear in naturally fractured rocks.

What is meant by “bear effigy stone” here?

It’s a practical SEO label for the claimed bear-like figure-stone forms discussed in the “bear tracks” argument.

What did Mathijs Vos object to?

Vos argues that Wilson’s own table implies “iconography” appears in the unmodified/natural set at a rate that undermines the central claim—by Wilson’s stated criteria.

Why does the critique call the test subjective?

Because the identification of a “bear” is treated as pattern-recognition without a fixed, objective criterion, so the result depends heavily on the observer’s threshold.

Eoliths, Figure Stones - Flint Tools, Portable Rock Art and Research

Richard Wilson's Figurative Constraint: A Critical Review

2026-11-02T13:49:49.619+00:00

Richard Wilson's Figurative Constraint: A Critical Review

Updates to this post now continue on my forum: Richard Wilson Fontmaure

Iconic affordance, anatomical convergence, stacked constraints, pareidolia and the statistical questions left unanswered by the 2026 Fontmaure presentation.

In January 2026, Richard Wilson wrote to me:

I have spent some time reading through your site and blog material

He proceeded to explain that much of what I had presented as pioneering research had already been discussed for more than a century.

Interesting.

On 6 June 2026, Wilson delivered Bear-like Forms at Fontmaure? Testing Figurative Constraint in Neanderthal Lithics at the Prehistoric Society's York conference.

His presentation introduced a six-component assessment of what he calls "iconic affordance", incorporating anatomical convergence, modification, orientation, recurring patterns and material properties.

These are closely related to the methodological questions I have been investigating and publishing for years.

Wilson's familiarity with my work is not speculation. He acknowledged reading it.

So what exactly is new about his latest methodology, what was already established, and where did the individual components originate?

1. Figurative Constraint versus Image Logic and Stacked Constraints

My research distinguishes two related evidential problems.

Tool Logic: Does the physical evidence demonstrate human modification, including coherent flake removals, fracture characteristics and technological organisation?

Image Logic: Do physically grounded features form anatomically coherent, recurring and recognisable representations?

My Stacked Constraints approach examines the combined significance of these observations, rather than relying on any single resemblance or modification.

Now compare this with Wilson's six iconic affordance criteria on slide 8 of his 2026 presentation.

Wilson's 2026 terminology	Closely corresponding elements of my research
Consistency of perceived form	Coherent Image Logic and anatomical consistency
Anatomical convergence	Anatomical topology, proportions and related visual features
Modification–affordance alignment	Technical grounding; flaking and modifications corresponding to figurative features
Orientation stability	Natural presentation, hand-fit and orientation
Patterned/composite complexity	Recurring motifs, combinations of features and assemblage repetition
Material salience	Patina, surface properties, inclusions and other material evidence

These are not identical frameworks, and the criteria do not appear in precisely the same order.

Nevertheless, the correspondence in their analytical functions is substantial.

My May 2017 publication Eoliths, flint tools and figure stones, examined the combined probability of anatomically related features, flake removal, repeated topology and perceived imagery.

I specifically considered the significance of eye-like features occurring alongside correctly positioned mouths, ears, noses and other details.

My 2021 portable rock art article explored visual triggers, partial recognition, multiple imagery and orientation.

My subsequent Flint Flake Mechanics and Stacked Constraints work formalised the physical agency argument, while my Eoliths.org identification methodology brings the mechanical and visual assessments together.

The important similarity is not any single criterion. It is the combination of criteria into an assessment intended to distinguish accidental resemblance from physically supported figuration.

2. The Statistical Problem: Counting Bears Is Not Testing Their Anatomy

Wilson's 2018 Fontmaure paper, Eschewing Bear Tracks, examined 501 lithic specimens (he claims, as there are not 501 different 'bear' items in the paper).

His principal statistical tables classified the perceived imagery and recorded 467 specimens as apparently iconographic.

But where was the systematic statistical examination of the actual anatomical features?

How many specimens possessed recognisable eyes, ears, noses and muzzles?

How frequently did these occur in appropriate anatomical relationships?

How many features coincided with demonstrable flake removals or retouch?

How many specimens displayed corresponding imagery on opposite faces or through rotation?

And how did these combinations compare with a properly selected natural control sample?

These are the questions that test whether combinations of physical and anatomical features provide evidence beyond subjective resemblance.

Wilson was already observing such features in 2018. Indeed, his published reply reported that 86 of 483 modified specimens, approximately 18%, exhibited related bear interpretations following rotation.

Yet his main statistical tables did not systematically present joint frequencies for the anatomical and mechanical features supporting those interpretations.

The comparison also encountered a serious sampling problem.

His Table 1 recorded perceived iconography in 93.2% of modified specimens and 94.4% of the unmodified specimens.

Wilson subsequently acknowledged that the unmodified stones had been selected for their apparent imagery and were therefore not directly comparable.

He reported a further comparison using 100 unmodified stones, but that did not supply the missing feature-by-feature model.

If anatomical convergence and modification alignment are central to the 2026 framework, why were these relationships not comprehensively quantified in the 2018 study?

3. From Cumulative Observations to Probability: Where Is the Actual Test?

Wilson's 2010 paper, Cultural Cobbles or a Load of Cobblers?, already discussed multiple visual cues, possible modification and the cumulative significance of features suggestive of intentionality.

That is an important precedent.

But the paper did not publish a calibrated probability model for combined anatomical and mechanical constraints. Wilson stated that the detailed results of one visual-cue assessment were omitted.

In my 2017 article, I explicitly explored a hypothetical probability problem: a spot and curved feature combining to form an apparent eye, followed by the additional conditions required for anatomically appropriate ears, mouth, nose and other features.

The point was that several coordinated physical conditions present a different chance problem from an isolated resemblance.

That was an illustrative probability argument, not a completed statistical model. A rigorous test would also need to account for dependence between features.

Interestingly, in his 2018 published response, Wilson expressed the ambition to develop an attribute-based system producing realistic probability ratings.

Now, eight years later, his 2026 presentation offers six descriptive criteria.

But where are their empirically established weights, combined probabilities, control distributions or demonstrated likelihood ratios?

Slide 18 still identifies independent observer validation as a future step.

In 2018 he proposed probability ratings. In 2026 he presents a more formal vocabulary. Where are the probabilities?

A graded rubric may be useful, but assigning criteria and calculating their evidential significance are not the same achievement.

4. If It Was Established a Century Ago, Identify the Method

Wilson's January 2026 email dismissed claims of pioneering work by invoking historical archaeological research, including Boucher de Perthes, Rutot, Commont, Boule, Breuil and Bednarik.

In our later exchange, he pointed to Raymond, Hervé and Dharvent.

Brett: Well Richard, there are certainly some rather shocking similarities between your presentation and my own published work on flint flake mechanics, stacked constraints, recurring anatomical patterns, portable rock art and pareidolia. Repackaging these ideas under terms such as "figurative constraint" and "iconic affordance" doesn't make those parallels disappear. Given your prior familiarity with my research, I would like a direct explanation from you as to how you arrived at these remarkably similar arguments and methodologies without any acknowledgement of my work. Are you claiming these ideas were developed entirely independently, or has my research influenced your approach? I would appreciate a clear, specific answer rather than a general dismissal of the similarities. What I find particularly remarkable is the reliance on arguments about repetition, probability and coincidence from someone who appears to struggle with even the basics of statistical reasoning.

Richard: And this is the point where my limited patience runs dry, I've referenced the original people Raymond, Herve, and Dharwent.

Their historical relevance to the study of eoliths, lithic modification and figure stones is not disputed.

But a historical discussion of suggestive stones does not, by itself, establish the origin of a particular modern analytical framework.

Which specific publications established the combined tests now described as anatomical convergence, modification–affordance alignment, orientation stability and patterned complexity?

Where were their operational definitions and statistical relationships demonstrated?

Wilson has earlier published work of his own, and his 2018 paper includes relevant methodological contributions and commentary from other researchers. Those are legitimate sources that need to be considered.

But citations should explain the development of the actual method, not simply establish that the general subject is old.

There is another relevant fact.

Wilson acknowledged reading my published research in January 2026, before delivering his June presentation.

That establishes familiarity, although it does not establish when he first developed the six criteria or prove that he adopted them from my work.

But where is he saying he had already developed something very similar to my work, and pointing to it? He doesn't, because he hadn't no doubt. Very suspicious isn't it?

Nevertheless, the methodological parallels and that documented familiarity make the question of acknowledgement reasonable.

If the framework was developed independently, its intellectual history should be traceable.

If my research influenced its later formulation, that contribution deserves recognition.

So to conclude, where, precisely, has Richard previously published this particular methodology? Not scattered observations about eyes, ears, flake scars or pareidolia, but the systematic combination of anatomical, mechanical and perceptual constraints he now presents as a formal framework. He has not identified an earlier publication establishing that complete method. Given his acknowledged familiarity with my research, and his insistence that my ideas offered nothing new, the absence of a clear explanation of his methodology's development is conspicuous, to say the least.

5. What Does "Iconic Affordance" Actually Add?

The test of a new scientific method is not the sophistication of its terminology.

It is whether the method produces better, more reproducible results.

Wilson's 2026 presentation proposes an analytical sequence beginning with pareidolia, proceeding through lithic organisation and iconic affordance, and ultimately requiring observer-level testing.

That may be a useful development.

But does it distinguish intentionally modified figurative stones from convincing natural mimics more successfully than the earlier approaches?

Does its scoring reliably separate stronger from weaker examples?

Can independent observers reproduce the assessments?

And does it demonstrate a meaningful cumulative effect when mechanical and anatomical criteria converge?

These questions require data.

The presentation does not provide completed validation establishing those outcomes.

Until then, iconic affordance remains a proposed evaluative framework, not a demonstrated statistical solution to the figure-stone problem.

Conclusion: New Terminology Is Not New Evidence

I have no objection to Richard Wilson improving his methods. I welcome serious attempts to investigate possible prehistoric imagery.

But the correspondence between his latest framework and the questions and methodologies I have publicly developed is considerable.

My own publications establish that I independently developed specific anatomical, topological, physical and probabilistic arguments before his 2018 Fontmaure study.

And his January 2026 email confirms that he had read my work.

The important question is how these lines of research relate to one another.

What is genuinely new in the 2026 framework? Which earlier publications supply its methods? What has been statistically validated? And what acknowledgement, if any, is due to contemporary research Wilson knew about?

I raised the issue directly. The explanation I received relied on historical authorities rather than a specific comparison of the modern methodologies.

That leaves the question unresolved.

There is an irony in demanding rigorous evidence for the origins of physical features while leaving the intellectual development of the interpretative method insufficiently explained.

I recognise that Wilson published on related subjects in 2010 and 2018. However, there is a significant distinction between discussing possible figure stones and developing targeted analytical methodologies and structured evidential tests intended to distinguish genuine artefacts and intentional figuration from natural coincidence and pareidolia. My published research demonstrates a sustained history of constructing precisely these kinds of proof structures, combining flint fracture mechanics, anatomical topology, patina logic, cumulative probability, Image Logic and Stacked Constraints. By contrast, I have not identified an equivalent, fully articulated and systematically applied methodology in Wilson's earlier published work. His 2026 framework represents a notable move towards the very approach I have been developing and publishing for years. Given his documented familiarity with that research, the absence of acknowledgement warrants a specific explanation, not merely references to earlier discussions of figure stones.

So, let me get this straight. Richard tells me my research offers nothing new because it was all done over a century ago, yet months later presents a strikingly similar methodology under the shiny new labels of “figurative constraint” and “iconic affordance”. Apparently, these ideas are century-old irrelevancies when I publish them, but worthy of a conference presentation when Richard does. Perhaps he could spare us the historical name-dropping and simply show us where this supposedly century-old methodology actually exists? Not the general ideas, Richard. The method.

This is a critical review of published methodologies, statistical arguments and documented correspondence. Similarity between approaches does not, by itself, prove plagiarism or intentional misattribution.

Sources and methodological comparisons

My published research

Publications examined in this review

Wilson, R. (2010). Cultural Cobbles or a Load of Cobblers?
Wilson, R. (2018). Eschewing Bear Tracks: Fallacies, Figure-Stones and Fontmaure.
Wilson, R. (2026). Bear-like Forms at Fontmaure? Testing Figurative Constraint in Neanderthal Lithics. Prehistoric Society conference, University of York.

References to Wilson's publications are included for scholarly identification and verification, not as endorsements of their conclusions.

Stunning Ape Face in Flint: Fossil or Prehistoric Art?

2026-11-01T12:57:50.859+00:00

Every so often, something turns up among my South Downs flints that really makes me look twice.

This is one of those finds.

I've recovered a remarkable piece of flint displaying an extraordinarily convincing primate face. My first impression is something rather baboon-like, although other primates also come to mind.

It is the sort of face that seems to stare straight back at you.

An ape face in flint: but what exactly are we looking at?

What interests me is the combination of features, rather than one accidental resemblance. The facial structure appears remarkably coherent, while parts of the surface have an almost fossil-like appearance.

And that introduces another question.

Could there be a genuine fossil structure within the flint? Could it conceivably be part of a fossilised primate? Or are we looking at a naturally suggestive stone that was recognised, selected and deliberately modified by prehistoric people?

I've found numerous ape-like faces across my assemblage, with what is clearly repeated evidence of deliberate modification. At some point, simply saying pareidolia stops being a satisfactory explanation for the entire collection, and will produce mockery of the entire field of archaeology for the ignorance.

If these are all chance resemblances, the South Downs must be home to a particularly industrious magic pareidolia fairy, working overtime to produce the best pareidolia anywhere in the world, because million to one chances happen 9 times out of 10 here.....

A fossil that shouldn't exist?

Flint can contain genuine fossils, including the remains and traces of ancient marine organisms. But what if this object really did contain part of a primate skull?

The conventional account places the evolution of baboons and other recognisable modern primates far more recently than the Cretaceous Period, approximately 145 to 66 million years ago.

But there is an important distinction here: the fossil record is not a complete record of life on Earth. It is a fragmentary collection of what happened to survive, what has been discovered and what researchers have been able to identify.

New discoveries can, and do, change our understanding of when organisms first appeared.

If a genuine primate fossil were ever convincingly demonstrated within securely dated Cretaceous flint, we would have to ask some difficult questions. Is the evolutionary history represented by the existing fossil record incomplete in a far more significant way than currently recognised? Is the geological context or dating correct? Or would aspects of both interpretations require reconsideration?

Those are legitimate questions to investigate, although a convincing facial resemblance on its own cannot establish such an extraordinary fossil identification.

My own position on geological dating is quite deliberate.

I tentatively accept the established geological timescale as a working framework because I need a consistent measuring stick against which to examine my finds.

I cannot sensibly attempt to correct archaeology, the conventional account of human evolution and geological chronology all at the same time. If I abandon the geological framework as well, I lose the very reference against which some of my archaeological arguments can be tested.

That doesn't mean geology is beyond question. It means I am choosing to work with its established chronology unless compelling evidence demonstrates that something needs revising.

There is also an important difference between the age of the Cretaceous chalk and the age of an artefact subsequently found on its surface. One does not automatically date the other.

So, no, I'm not announcing a 66-million-year-old baboon. That would give palaeontology a very difficult Monday morning.

But I am asking what this striking flint actually represents. Is there an ancient fossil structure contributing to the appearance? Was an unusual natural form recognised and enhanced by prehistoric people? Or is there another explanation we haven't yet identified?

Those possibilities deserve examination.

This find certainly has had an interesting history, with probable tar and ochre deposits all over it.

What about the unusual markings?

Another interesting feature of my assemblage is the presence of iron-rich areas, dark patches and occasional sooty or tar-like surface deposits.

Comparable features occur on other finds from the site, including objects discussed on my Prehistoric Manuports page.

I've also commissioned FTIR spectroscopy on other specimens, and those results are 100% indicative of substance manufacture and application, to question whether all these deposits can simply be dismissed as ordinary mineral staining.

Of course, the composition of any particular marking needs to be established through examination and testing.

But the question becomes particularly interesting when contrasting patches coincide with recognisable anatomical features, as they often do in many of my other finds.

I am interested not merely in whether a stone resembles an animal or face, but whether its form, markings and identifiable modifications work together to produce a coherent image.

Another example of prehistoric visual communication?

This find does not stand alone.

For years, I have been documenting recurring animal heads, facial profiles, hand shapes and other figurative devices in my South Downs assemblage.

My interpretation is that some of these stones preserve a very early system of visual communication, involving the selection of naturally suggestive forms and, in many cases, deliberate enhancement.

The important evidence is the recurrence of comparable features across different specimens, especially where the details appear to have been constructed using recognisable stone-working techniques.

One convincing resemblance is interesting. A collection of recurring, deliberately constructed figures is something much more significant.

That is why I am documenting this ape-like face alongside the wider assemblage rather than treating it as an isolated curiosity.

See the face for yourself

I've included photographs and video so you can examine the object from different angles.

Look closely at the facial structure and the unusual surface details. Which features belong to the original shape of the flint? Which might be fossil-related? And which appear to have been deliberately enhanced?

Whatever its eventual explanation, I consider this one of the most striking primate-like forms recovered from my site.

And if you think it resembles a different primate, you're welcome to make the case. The stone has so far declined to identify itself.

For related examples, visit my Prehistoric Manuports and Portable Rock Art Identification pages.

Brett Martin - Eoliths.org

A Hematite Handaxe from the South Downs: Tool, Figure Stone, or Both?

2026-10-26T15:12:45.456+00:00

A large iron-rich object with embedded flint fragments and a possible ape or early-hominin profile from the South Downs Palaeolithic assemblage

The Iron Axe next to one of the most modern looking handaxes from the site circa 600kbp. The iron axe has a fairly reasonable face profile, facing right (common at the site).

Figure 1. Principal face of the iron-rich axe-form. This view is intended to document overall morphology, surface texture and any visible flint inclusions.

Among the many unusual objects recovered from my South Downs find site, close to the wider Boxgrove Palaeolithic landscape, one recent find stands apart simply because of its material, size and form.

It is a large, exceptionally dense hematite or hematite-rich ironstone formation, one of the largest examples of this material I have recovered from the site. Iron-rich nodules themselves are not unusual here. On the contrary, they form a recurring component of the surface assemblage alongside heavily patinated flints, cores, handaxe, blades, scrapers, hammerstones, figure stones, fossils and other selected stones.

This specimen, however, is different.

Its overall morphology resembles a substantial axe or bifacial tool form, while one aspect of the object presents what I interpret as a remarkably coherent ape-like or archaic hominid head in profile. The profile is not merely an isolated marking on an otherwise shapeless stone. It appears to interact with the overall form of the object, raising the possibility that natural morphology was deliberately selected, enhanced or incorporated into a functional artefact. Both the shape and size of this axe-like form recur among other flint artefacts from the site, suggesting a recurring typology.

There is another unusual feature. Within the iron-rich mass are small angular pieces and flakes of flint. Determining exactly how those fragments entered the matrix may prove crucial to understanding the object. Logically this must have been mined and worked, because that is what we have, something out of its natural location and natural form.

First question: what exactly is the stone?

I have provisionally described the material as hematite because of its appearance, density and its relationship to the many iron-rich nodules recovered from the locality. But “hematite” should eventually be treated as a mineralogical diagnosis rather than simply a visual description.

Hematite is iron oxide, Fe₂O₃. Archaeological “ochre”, ironstone and ferruginous rocks can contain hematite without being composed principally of it. A rock can therefore look intensely iron-rich while actually being a composite of iron oxides, quartz, clay minerals and other constituents.

That becomes especially important because of the tiny pieces of flint embedded within this specimen.

The wider geology of the South Downs includes naturally occurring ferruginous rocks and flint conglomerates. Geological descriptions from Sussex record iron-rich deposits in which sub-angular flint and quartz clasts occur within a matrix cemented by iron oxides. Some deposits form tough sandy ironstones associated with ferruginous flint conglomerate. South Downs National Park Building Stone Atlas.

No surprise to see an ape face in my materials, Pareidolia? try growing a brain!

A face stares out at you, looking almost identical to palaeoanthropological skull finds, fine eye, eyeball, pupil, brow, nose and even teeth details can be interpreted here.

Figure 2. Close-up of small angular flint fragments within the iron-rich matrix. Their size, angularity, orientation and relationship to the surrounding material are relevant to distinguishing a natural conglomerate.

Their size, angularity, orientation and relationship to the iron matrix can be examined microscopically. If they are simply natural components of ferruginous sediment, petrography should reveal that.

This makes the internal structure of the object potentially as interesting as its external form.

Ironstone really was used for Palaeolithic tools in Britain

One reason this find deserves proper investigation is that iron-rich stone is by no means unknown as a prehistoric tool material.

The clearest British comparison comes from Robin Hood Cave at Creswell Crags.

Excavations there produced implements manufactured from both quartzite and ironstone. Nineteenth-century descriptions record no fewer than 86 quartzite and ironstone implements and associated pieces, including axe-like forms. Quarterly Journal of the Geological Society, Vol. 32 (1876).

Figure 3 (comparison). Clay-ironstone handaxe from Robin Hood Cave, Creswell Crags. This is a comparison of raw material, not a claim that the South Downs specimen has the same age or manufacturing history. British Museum collection reference. Photograph reproduction is subject to the rights of the image owner.

That comparison matters because it demonstrates something very simple: prehistoric people in Britain did not restrict themselves to flint. Where suitable ironstone fractured effectively, they could deliberately reduce it into bifacial implements.

My South Downs find is not being claimed to be equivalent in date or technology to the Robin Hood Cave handaxe. The importance of the comparison is material: an iron-rich rock can unquestionably be an intentional stone tool raw material.

Hematite could also become sculpture

There is an even more remarkable European comparison.

At Petřkovice in the Czech Republic, a Gravettian settlement dated to approximately 21,000–23,000 years ago produced the celebrated Petřkovice or Landek Venus. Unlike the better-known ivory and fired-clay Palaeolithic figurines, this tiny human sculpture was actually carved from hematite. Archaeologists have also reported a fragment of another figurine from the same material. Archeologický ústav AV ČR, v.v.i..

Figure 4 (comparison). The Petřkovice (Landek) Venus, a Gravettian figurine carved from hematite. Its relevance here is the use of hematite for figurative carving, not a direct chronological comparison with the South Downs object. Creative commons wiki link Attribution

So we know that hematite was not exclusively a pigment source. At least occasionally, prehistoric people valued the stone itself sufficiently to carve figurative objects from it.

The Petřkovice figurine is enormously younger than the chronology I am investigating on the South Downs, and it would be wrong to use it as evidence for the age of this find. Its significance lies elsewhere: it removes the objection that hematite is somehow an inherently implausible material for prehistoric sculpture.

Worked hematite elsewhere in Palaeolithic Europe

Other sites add to the picture.

At Hohle Fels Cave in Germany, researchers studied hundreds of pieces of ochre and iron oxide extending through the Upper Palaeolithic. Among them were pieces of specular hematite that had been ground into pointed forms, as well as circular hematite objects intentionally rounded and centrally perforated. Twenty-seven pieces in the assemblage showed anthropogenic modification. PLOS ONE (2019).

Far earlier, at Maastricht-Belvédère in the Netherlands, archaeological sediments dating to at least about 200,000–250,000 years ago contained hematite brought into the site from a non-local source. The material occurs alongside Middle Palaeolithic flint-working evidence. PubMed Central / PNAS (2012).

None of these parallels authenticates my South Downs object. What they establish is the broader behavioural background: iron oxides and hematite were selected, transported, ground, modified and sometimes sculpted by Palaeolithic populations.

That makes an unusual hematite object found within a lithic-rich Palaeolithic locality worthy of examination on its own merits.

The figurative element: an ape or hominid profile

The most provocative aspect of the object is its profile and the central forward facing ape like head image shown above.

Viewed from one principal orientation, the outline presents what I interpret as an ape-like or archaic hominid head. Brow, cranial outline, facial projection and lower facial region appear to resolve into a coherent silhouette, although fairly weak here, it's expected from the site. The face frontal is much harder evidence to ignore.

On the reverse, If we were to rotate the find about 45 degrees CW, a fairly plausible ape face profile can be seen. There are some strange linear striations pointing middle wards, central in the artifact, a tree shape can almost be interpreted?

This is precisely where analysis has to go beyond resemblance.

A naturally formed stone can resemble almost anything when viewed from enough orientations. The archaeological question is therefore not simply:

“Can I see a face?”

The better question is:

“Which parts of the apparent image were created or modified by technically identifiable actions?”

The South Downs context

The find did not appear in isolation.

The locality has produced a large surface assemblage that includes heavily patinated flint implements and cores, Oldowan-like chopper forms, Acheulean-like bifaces and ovates, hammerstones, plate-like or tabular flints, fossils and substantial quantities of iron-rich nodules. Start at the https://eoliths.org/science.html Science page.

My working hypothesis is that parts of this landscape were repeatedly exploited for raw material - particularly flint, fossils and iron-rich stone - and that some of the concentrations may relate to deliberate extraction or sorting.

That remains a hypothesis requiring archaeological testing.

There is nevertheless a very important established Palaeolithic landscape nearby. Boxgrove and related deposits along the West Sussex coastal plain preserve one of Britain’s most extraordinary Lower Palaeolithic records. The Slindon Formation has been mapped over approximately 26 kilometres, with substantial surviving areas capable of preserving archaeology comparable with Boxgrove. UCL Boxgrove Wider Area Project.

At Boxgrove itself, handaxes, knapping scatters, butchered animal remains and hominin fossils occur in deposits dated to approximately 478,000–524,000 years ago.

That established archaeology makes the region exceptionally important. It does not automatically date surface material found elsewhere on the Downs, but it demonstrates beyond dispute that early hominins occupied and exploited this broader Sussex landscape.

What about an age measured in millions of years?

The possibility I have been investigating at this locality is considerably older than Boxgrove.

Some of the site’s lithic material possesses extremely developed patination and forms that I compare technologically with very early core-and-flake traditions. Together with geological observations and the wider eolith literature, this has led me to investigate whether parts of the assemblage could extend into a far earlier chronology.

At present, however, a multi-million-year age for British artefacts would be an extraordinary archaeological claim, no matter how logically evidenced by myself, it's not yet 100% proof.

The oldest securely contextualised evidence presently accepted in Britain (ignoring eoliths) comes from Happisburgh in Norfolk, where artefacts and footprints indicate hominin occupation roughly 850,000–950,000 years ago. British Museum — First Pioneers: The Earliest Human Occupation of Britain.

Recent work elsewhere in western Europe is beginning to push occupation towards and beyond the million-year threshold: the French site of Lunery-Rosières has been reported at approximately 1.1 million years. The authors nevertheless note that evidence in north-western Europe before one million years remains sparse. Scientific Reports / Nature (2024).

Consequently, neither the hematite axe-form nor the South Downs assemblage should simply be labelled “millions of years old” because their appearance seems archaic. That is the hypothesis to be tested.

A genuinely multi-million-year British artefact would not merely add another specimen to the Lower Palaeolithic record. It would fundamentally alter the currently understood chronology of hominin dispersal into north-western Europe.

That is exactly why the evidence needs to be exceptionally good.

How this object can be tested

The next stage should begin with the material itself.

Mineralogical analysis: Non-destructive XRF, Raman spectroscopy or X-ray diffraction could establish whether the object is predominantly hematite, goethite, another ironstone, ferricrete, or a mixture.
Internal structure: Micro-CT or high-resolution microscopy could investigate the embedded flint fragments and determine whether they form part of a natural sedimentary fabric.
Surface recording: Controlled macro photography, 3D photogrammetry and microscopic examination. Areas interpreted as flaking, pecking, grinding or use-wear can be mapped independently of the figurative interpretation.
Technological indicators: Particularly important would be any negative flake scars with identifiable initiation points, systematic edge regularisation, opposed removals, crushing associated with percussion, grinding striations or differential polish.
Blind mapping of the proposed face: Instead of outlining the ape profile first and then looking for supporting features, the modifications should ideally be mapped blind. If the technical modifications independently reconstruct the same profile, that would be far more compelling.
Separating context from age: A hematite nodule itself could be millions of years old geologically while human modification of it could be vastly younger. Dating the formation of the iron mineral therefore would not automatically date the manufacture of a tool. For a surface find, establishing age will ultimately depend upon tying comparable objects to a surviving stratigraphic context.

Why this find matters

Whatever the eventual interpretation, this object deserves more than a passing glance.

It is unusually large for the iron-rich material recovered from the site. It possesses an axe-like overall morphology. It apparently contains numerous small pieces of flint within its iron-rich matrix. And one orientation produces an unusually coherent primate or hominid profile.

Around it lies an assemblage in which hematite and other iron-rich nodules occur repeatedly alongside apparently worked lithics.

There are therefore several testable questions contained within a single stone.

Is it natural ferruginous conglomerate or another form of ironstone?
Was its exterior intentionally shaped?
Was it employed as a tool?
Were parts of its natural form deliberately retained?
And, most unusually, was that form exploited to produce a recognisable hominid image?

Those questions do not require us to decide the answer in advance.

The object can be photographed, scanned, analysed mineralogically and examined technologically. Its flint inclusions can be studied. Its suspected worked surfaces can be compared with both natural ironstone fracture and securely identified prehistoric ironstone artefacts.

That is where this find becomes genuinely interesting.

If it is natural, the geology should explain it.

If it is a tool, the fracture mechanics should demonstrate it.

If it is figurative, the modifications themselves should construct the image.

The stone now needs to be allowed to answer those questions.

References and further reading

British Museum. “First Pioneers: The Earliest Human Occupation of Britain.”
British Museum Collection. “Clay-ironstone handaxe, Robin Hood Cave, Creswell Crags.”
UCL Boxgrove Wider Area Project. “The Slindon Formation and Lower Palaeolithic archaeology.”
UCL Discovery. “Boxgrove: dating and stratigraphy.”
South Downs National Park. “East Sussex Building Stone Atlas: Ferruginous deposits.”
Hovers, E. et al. (2019). “Ochre use and modification at Hohle Fels Cave.” PLOS ONE.
Roebroeks, W. et al. (2012). “Hematite at Maastricht-Belvédère.” PNAS.
Archeologický ústav AV ČR. “Petřkovice Venus / Landek Venus.”
Nature / Scientific Reports (2024). “Lunery-Rosières: 1.1 million years in western France.”
Quarterly Journal of the Geological Society (1876). “Robin Cave, Creswell Crags: implements and fauna.”
Eoliths.org. “South Downs Palaeolithic assemblage documentation.”
Eoliths.org. “Iron-rich nodules across the South Downs locality.”

Comparing Prehistoric Art in 3D: A New Archaeology Tool

2026-10-24T21:04:16.436+01:00

Comparing Prehistoric Art in 3D: A New Archaeology Tool

I've spent years examining flint tools and other prehistoric stones for signs of intentional imagery. One problem has always stood out: photographs can only show so much.

There is so much to see in this palaeolithic handaxe, but I thought I would just show you the elephant front half, a glyph I've been banging on about for almost 15 years.

You might see an animal's head in one photograph, a facial profile in another, or a particularly interesting arrangement of flake scars. But how do you compare those features properly when the objects are in different collections, photographed from different angles, or located hundreds of miles apart?

And what if you want to examine the other side of the stone?

This is something I've wanted to address for some time. I've now developed a 3D archaeological artefact comparison workspace on Eoliths.org, bringing several interactive models together on one screen.

It's a fairly simple idea, but I think it has considerable potential for research into prehistoric figuration, stone-working techniques, portable rock art and the possible origins of visual communication.

Try the 3D Archaeological Comparison Workspace on Eoliths.org

Six 3D models, side by side

The workspace opens with six archaeological objects displayed in a grid of three across and two down on a desktop computer.

These aren't just photographs. They're interactive 3D scans that you can turn, tilt and zoom in on.

Each window has its own model selector, allowing you to replace the object with another from the available collection. You can compare two different handaxes or, just as usefully, display the same handaxe in two windows and examine different faces or viewing angles at the same time.

I've also included a small control to fold away the descriptive text beneath each model. That leaves a much cleaner screen when you want to concentrate on the actual stones.

The starting collection consists of Lower Palaeolithic flint artefacts digitised by James M. Hicks and published by 3Djimmetry on Sketchfab. I've retained the links and attribution to the original scans.

But the important development isn't simply having six models on the page. It's being able to choose which objects to compare and then examine them independently.

Why this could matter for prehistoric art research

Imagine finding what appears to be an elephant's head worked into a flint tool.

You can see a trunk, an eye and perhaps a distinctive bump above the forehead. The boundaries of flake removals appear to form parts of the anatomy.

You might be convinced that the image was intentional. Someone else might dismiss it as coincidence.

A photograph alone isn't necessarily going to settle that disagreement.

Now imagine finding several more artefacts with similar arrangements. Perhaps the head shape recurs. Perhaps the eyes occupy corresponding positions. Perhaps the same anatomical divisions are formed by intersecting flake scars, with small pecked details appearing in similar places.

At that point, we're no longer talking about one stone that happens to resemble an animal. We're investigating a recurring combination of visual and technological features across an assemblage.

That is potentially much stronger evidence.

My research has led me to propose that some prehistoric people incorporated recognisable subjects and repeated visual devices into their stone-working. These include animal profiles, human and ape-like faces, hands, fingers and geometric marks.

I have described this possibility as a form of prehistoric visual communication.

The challenge has always been demonstrating that the patterns are genuinely repeated and physically constructed, rather than simply recognised by an observer.

Being able to put several artefacts together and examine their actual three-dimensional surfaces offers a useful way forward.

Looking beyond the outline

One of the things I find particularly important is how an image has been made.

If a proposed animal figure is present, what actually defines it?

Is the line of the back formed by a deliberate flake removal? Does an intersecting scar form the jaw or neck? Is a small indentation positioned where an eye would be expected? Is there a relationship between the working sequence and the final appearance?

These are questions that deserve more attention than they usually receive.

A recognisable outline is a starting point. But when an outline is supported by consistent anatomical details, repeated technical interventions and comparable examples from other stones, the argument becomes much more substantial.

This is closely related to the Stacked Constraints approach I've described elsewhere on Eoliths.org. Rather than depending on one striking resemblance, I look for several independent lines of evidence that support the same interpretation.

The new workspace makes it easier to study those relationships directly.

It can also expose weaknesses in an interpretation. A feature that looks persuasive from the front might turn out to be a normal fracture boundary when viewed from the side. Another feature might become clearer once the model is rotated.

Either result is useful.

Try comparing the same stone from two angles

This is one of my favourite uses of the workspace.

Choose the same artefact in two adjacent windows. Rotate one model to show its broad face, then turn the other to reveal the opposite face or an edge-on view.

You can examine how the flake scars relate to one another, whether a proposed figure has any depth, and whether a particular feature belongs to the original stone surface or a later removal.

Then try a second artefact displaying a similar feature.

Do the anatomical relationships correspond? Are the same kinds of marks involved? Does the image depend on a very particular angle, or is its structure still understandable as the stone is turned?

These are the sorts of comparisons I want to encourage.

There are perfectly ordinary technological questions to investigate as well: edge preparation, bifacial working, cortex retention, symmetry, tool thickness and possible differences between manufacturing traditions.

The workspace isn't restricted to figurative interpretations.

You can bring your own artefacts into the comparison

This is where I think the project could become particularly interesting.

Suppose you've found an unusual worked stone or you're studying a museum object that appears to contain deliberate imagery.

If you can obtain a suitable 3D scan, you may be able to compare it directly with archaeological models already available online.

There are several ways of recording an object in three dimensions. Photogrammetry uses overlapping photographs to reconstruct its surface, while structured-light scanners can capture detailed shape and texture information.

Once your model is prepared and uploaded to Sketchfab with embedding enabled, its model link can be added to the Eoliths.org comparison workspace.

You could then place your own find alongside another artefact and examine both independently.

Of course, the quality of the scan matters. Poor lighting, missing surface detail or inaccurate textures can be misleading, particularly when you're investigating fine pecking, possible pigment or subtle flake boundaries. A recorded scale is also important for meaningful measurements.

And naturally, anyone scanning or publishing an archaeological object needs the appropriate permission.

But the basic possibility is there: researchers and collectors could compare their own documented artefacts with material held elsewhere, without needing the physical objects together in one place.

The workspace does not identify motifs automatically. That's not its purpose. It gives people the means to inspect and compare the evidence themselves.

The Goodwood handaxe and a possible elephant figure

One example I've included on the Eoliths.org page is a Goodwood handaxe with unusually thick white patination.

I see what appears to be an elephant front half figure worked into this object. The interpretation involves the arrangement of flake scars, the lines where those scars meet, and small details that appear to help define the anatomy, no surprises here with this glyph, it's on my chart, just like other things visible here.

I've drawn around the proposed figure in an illustration so visitors can see exactly what I'm referring to.

A feature I find especially interesting is the distinctive bump on the animal's head. I've observed comparable shapes in other stones discussed in my research on prehistoric manuports.

Is this a recurring convention? Is the similarity significant? Are the apparent anatomical features deliberately constructed?

These are precisely the questions that comparative 3D examination can help us investigate.

Rather than asking readers simply to accept my interpretation, I want them to look at the surfaces and decide which features they can independently recognise and verify.

Not just handaxes

Although the first models come from a collection of ancient flint tools, I see no reason why the same approach couldn't be used much more widely.

Possible figure stones, selected natural objects, portable sculptures, engraved artefacts, worked pebbles and other archaeological materials could all be examined in this way, provided suitable scans are available.

For researchers interested in prehistoric cognition, that opens an intriguing possibility.

Could certain subjects or visual conventions have appeared repeatedly across different assemblages? Could some of the same methods of constructing imagery be recognised in objects made in different places or periods?

Those are big questions, and I wouldn't expect a single comparison to answer them.

But a growing body of accessible, well-documented 3D material could make them much easier to investigate systematically.

It would also make it easier for researchers to disagree constructively. Instead of arguing over a single photograph, they could identify the exact physical feature under discussion, rotate the same specimen and compare it with other examples.

An invitation to look for yourself

I've been documenting what I consider to be recurring imagery and visual conventions in prehistoric stone artefacts for many years.

This new comparison workspace is another step in that research. It gives me a better way to examine the material, but just as importantly, it allows other people to look for themselves.

Perhaps you'll recognise an animal figure I haven't noticed. Perhaps you'll identify a repeated arrangement of flake scars that deserves closer attention. Or perhaps you'll find a perfectly ordinary technological explanation for something that initially appeared figurative.

All of those observations could contribute to a better understanding of the material.

What matters is whether we can identify repeated, recognisable features and demonstrate how they were formed.

If you're interested in prehistoric art, ancient technology, portable rock art or the beginnings of human visual communication, I hope you'll give it a try.

Open the Eoliths.org 3D Archaeological Artefact Comparison Workspace

You can also read more about my approach to identifying intentional imagery on the Portable Rock Art Identification page, or explore the wider evidence on Science and Methods.

Brett Martin - Eoliths.org

The comparison workspace and associated interpretations are part of my independent research. Original 3D archaeological scans remain credited to their respective creators and publishers.

Beyond the Goose Egg: Do Elongated Handaxes Echo Dinosaur Eggs?

2026-08-30T11:29:22.401+01:00

Beyond the Goose Egg: Do Elongated Handaxes Echo Dinosaur Eggs?

Could some Acheulean handaxe forms correspond to the geometry of dinosaur eggs?

In my earlier post on ovate handaxes and the symbolism of the egg, I pushed the argument past simple resemblance. A goose egg and a well-made Acheulean Boxgrove ovate do not merely share a similar length-to-breadth ratio: when their outlines are normalised and compared, the likeness is measurable across the form.

UPDATE: EOLITHS.ORG BOXGROVE HANDAXE OVATES

A new page under construction with some deeper insights and a very cool gadget.

The match goes beyond proportion. Using the geometry formalised in the 2021 Universal Formula for Egg Shape, the egg profile can be described from its length, maximum breadth, the displacement of maximum breadth from the half-length, and the diameter at one-quarter of the egg's length from the pointed end. Applied alongside direct outline comparison, this captures asymmetry, taper and changing perimeter curvature. When the goose egg and Boxgrove handaxe are plotted at the same scale, the two contours converge across almost the entire outline; the overlap is so close that the plotted goose-egg line is virtually hidden beneath the handaxe. This is not simply something that "looks egg-shaped". It is a measurable morphometric correspondence in precise geometric form. That raises the harder question: what are we to make of the much longer, narrower Acheulean bifaces?

Do they simply represent another functional solution in stone, or could some occupy the geometry of a completely different kind of egg?

Acheulean handaxes do not stop at the proportions of a goose egg. Across Britain and the wider Acheulean record, some assemblages contain many forms around 2:1, while individual pieces reach 2.5:1 and, exceptionally, approach or exceed 3:1. These include elongated ovates but also lanceolate, ficron-like and other pointed bifaces. If the Boxgrove ovate can be tested mathematically against a goose egg, then these elongated forms deserve the same treatment: what natural egg geometries occupy the 2:1–3:1 range, and do their complete outlines — not merely their proportions — match too?

The comparison becomes particularly interesting when we move beyond ordinary bird eggs. Pterosaurs and some non-avian dinosaurs produced strikingly elongated eggs, in some cases two, two-and-a-half, or more than three times as long as they are wide. These long forms occupy much the same proportional territory as many elongated Acheulean bifaces, making them obvious candidates for direct morphometric comparison. The pterosaur connection is particularly intriguing to me because among the worked lithics and apparently altered flint nodules from my South Downs find site I have identified numerous figurative forms that appear to resemble pterosaurs, some with remarkably specific likenesses. Those interpretations remain observational rather than proven, but they give an added reason to test whether the geometry of certain bifaces also corresponds to the geometry of pterosaur and elongated dinosaur eggs.

The Egg and Axe Ratio Test

The simplest first measurement is the same one I used before:

Elongation Index (E) = Length ÷ Maximum Breadth

A circular outline has a value of 1.00. As a form becomes longer and narrower, the number rises. Elongation alone does not establish an egg match — the decisive comparison must also include curvature, asymmetry, taper and maximum-breadth position — but it tells us which handaxes and eggs occupy the same broad region of geometric shape-space.

Elongation index comparison between Acheulean handaxe forms and fossil egg types
Form	Approx. L ÷ B	Geometric implication
Large modern bird eggs / goose-like zone	1.3–1.5	Strong overlap with broad ovate handaxes
Acheulean ovate handaxes	about 1.4–1.6	Broad, rounded egg geometry
Elongated Acheulean handaxes	commonly around 1.7–2.0 in some assemblages	Moves decisively beyond the ordinary goose-egg zone
Hamipterus tianshanensis pterosaur eggs	1.70–2.63	Broad overlap with elongated handaxe proportions
Fordwich handaxes, Kent	mean dimensions ≈ 1.92; narrowest recorded form ≈ 3.2	Shows that highly elongated British handaxes are part of the archaeological record
Jalindri handaxes, India	mean 1.85; range 1.20–2.50	The longest specimens enter pterosaur and theropod egg proportional space
Strongly elongated Acheulean handaxes	about 2.0–2.5+	Direct proportional overlap with elongated pterosaur and non-avian theropod eggs
Oviraptorosaur and troodontid dinosaur eggs	about 2.0 to >3.0	Moderately to extremely elongated fossil egg geometry
Pterodaustro guinazui pterosaur egg	60 × 22 mm ≈ 2.73	Extremely elongated pterosaur egg geometry within the range of very long bifaces
Macroelongatoolithus dinosaur eggs	about 2.6–3.2	Extreme elongation comparable only with the narrowest handaxe forms
Titanosaur / megaloolithid dinosaur eggs	near 1.0	Generally spherical to sub-spherical; a poor comparison for elongated handaxes

The Overlap Is Larger Than It First Appears

It is too restrictive to treat 1.55–1.65 as the normal limit of an elongated handaxe. Acheulean handaxes extend far beyond that. At Jalindri, handaxes have a published mean elongation of 1.85 and range to 2.50. At Fordwich, the mean dimensions of the published sample produce a ratio of about 1.92, while the narrowest recorded width-to-length value corresponds to roughly 3.2:1 when expressed as length divided by breadth. These are not imaginary forms created to fit the hypothesis; they are already present in archaeological datasets.

Adding pterosaurs makes the comparison more continuous. Published Hamipterus eggs range from 1.70 to 2.63, while the known Pterodaustro egg measures approximately 60 × 22 mm, an elongation of about 2.73. Oviraptorosaur and troodontid eggs extend broadly from around 2:1 to more than 3:1. The proportional ranges therefore overlap substantially.

But ratio is only the first filter. The Boxgrove ovate matched the goose egg not merely in length and breadth, but in its complete mathematical profile: maximum-breadth position, asymmetry, taper and perimeter curvature. When plotted together, the overlap was so close that the goose-egg outline was virtually hidden beneath the handaxe.

The same standard must therefore be applied to elongated forms. If a handaxe with an elongation of 2.1, 2.4 or 2.7 also reproduces the corresponding fossil egg's breadth position, asymmetry, taper and curvature, then the comparison becomes far more exacting than two objects simply being long.

The prediction is simple: broad ovates should correspond with broad egg geometries, while progressively elongated handaxes should correspond with progressively elongated egg geometries. The first test is L ÷ B. The decisive test is whether the entire mathematical outline also overlaps.

Note: Pterosaurs were flying archosaurs, but they were not dinosaurs. They are included here as a separate fossil egg group because their measurable egg proportions overlap the elongated handaxe range.

Addendum: The Match Is Now in Scale as Well as Shape

Since writing this post, the comparison has produced something I was not originally looking for.

The argument began with shape. Acheulean handaxes and eggs overlap in proportional shape-space. At Boxgrove the comparison goes much further: the ovate and egg profiles correspond in elongation, taper, maximum-breadth position and changing perimeter curvature. Boxgrove is also one of the clearest examples of deliberate handaxe standardisation, with hundreds of finished tools repeatedly converging on a closely controlled oval form.

Now there is another layer.

When published mean handaxe dimensions are compared with actual egg dimensions, three remarkable size correspondences appear:

Boxgrove handaxes: mean 117.8 × 76.2 mm. Whooper swan eggs occupy almost exactly this physical scale — around 112 × 73 mm as a typical modern measurement, while the morphometric bird dataset used in the comparison produces a Whooper record of approximately 116.7 × 76.4 mm.
Fordwich handaxes: mean 142.4 × 74.3 mm. A published oviraptorid egg measures 145 × 75 mm.
Jalindri handaxes: mean 171.77 × 91.84 mm. A published Macroolithus egg measures 175.3 × 92.1 mm.

That is important because normalisation removes size. Nothing in the original egg-shape hypothesis required handaxes and eggs to be physically the same size. Yet some independently measured Acheulean assemblage means appear to match not only egg geometry, but egg scale.

The Boxgrove result is particularly difficult for me to ignore.

Long before finding this dimensional correspondence, I had repeatedly identified the swan as an important motif in the South Downs assemblage close to Boxgrove. The swan interpretation was therefore not invented to explain these measurements afterwards. The proposed motif came first. The numerical comparison came later.

So we now have several independent observations converging on the same idea: egg-like shape-space, close outline curvature, strong archaeological standardisation, correspondence in absolute physical dimensions, and—independently—a previously identified swan motif from the same wider landscape.

Unfortunately, none of this constitutes proof that an Acheulean knapper deliberately copied an egg. Geometry cannot recover intention from half a million years ago.

But there comes a point where simply saying “coincidence” stops being an explanation and becomes something that itself needs explaining.

One resemblance can be coincidence. A ratio can be coincidence. Even an outline might be coincidence. But when proportion, curvature, standardised form and absolute scale repeatedly converge, while an independently proposed swan motif is already present in the associated interpretive record, the egg comparison becomes considerably harder to dismiss as an accidental likeness.

The full dataset, Boxgrove standardisation evidence, interactive shape modeller and extended egg/handaxe comparisons are now collected on the Eoliths.org Acheulean Handaxe Egg Geometry page.

Frequently Asked Questions

Do these measurements prove that Acheulean handaxes were modelled on eggs?

No. Geometric and morphometric overlap can show that a handaxe and an egg share closely corresponding proportions and outlines, but it cannot by itself prove that the maker intended to copy an egg. Intent requires independent archaeological evidence.

Is the Boxgrove ovate and goose egg comparison compelling?

Yes, as a geometric comparison. The correspondence is not limited to length divided by breadth. It also concerns maximum-breadth position, asymmetry, taper and perimeter curvature. When normalised and plotted, the two outlines overlap extremely closely. That makes the resemblance quantitatively interesting, although it still does not prove prehistoric intent.

Are all elongated Acheulean handaxes ovates?

No. Acheulean handaxes include ovates, elongated ovates, cordiforms, lanceolates, ficrons and other forms. The comparison here concerns continuous geometry and elongation across handaxe forms, not the archaeological label "ovate" alone.

Do elongated handaxes overlap with pterosaur and non-avian dinosaur egg proportions?

Yes, at the level of elongation ratio. Published handaxes extend into the same broad 2:1–3:1 proportional space occupied by some pterosaur and non-avian theropod eggs. A stronger test must compare the complete outline rather than length-to-breadth ratio alone.

Sources and Further Reading

Narushin, V. G., Romanov, M. N. & Griffin, D. K. (2021). Egg and math: introducing a universal formula for egg shape. Annals of the New York Academy of Sciences 1505(1): 169–177.
Iovita, R. & McPherron, S. P. (2011). The handaxe reloaded: A morphometric reassessment of Acheulian and Middle Paleolithic handaxes. Journal of Human Evolution 61(1): 61–74.
Key, A. et al. (2022). On the earliest Acheulean in Britain: first dates and in-situ artefacts from the MIS 15 site of Fordwich (Kent, UK). Royal Society Open Science 9: 211904.
Vyas, V., Pottentavida, A. & Jha, G. (2026). Assessing Acheulean biface variability at Jalindri. Frontiers in Earth Science 14: 1669759.
Unwin, D. M. & Deeming, D. C. (2019). Prenatal development in pterosaurs and its implications for their postnatal locomotory ability. Proceedings of the Royal Society B 286: 20190409.
Grellet-Tinner, G. et al. (2014). The first pterosaur 3-D egg: implications for Pterodaustro guinazui nesting strategies. Geoscience Frontiers 5: 759–765.
Varricchio, D. J. & Jackson, F. D. (2016). Reproduction in Mesozoic birds and evolution of the modern avian reproductive mode. The Auk 133(4): 654–684.
Wang, S., Zhang, S., Sullivan, C. & Xu, X. (2016). Elongatoolithid eggs containing oviraptorid embryos from the Upper Cretaceous of Southern China. BMC Evolutionary Biology 16: 67.

Interpretive caution: the numerical overlap discussed here establishes geometric comparability. It does not demonstrate intentional copying, fossil recognition or symbolic meaning. Those interpretations require independent contextual evidence.

Chimpanzee Faces in Stone

2026-08-09T12:47:58.569+01:00

Chimpanzee Faces in Stone: Eoliths, Fossil Absence and the Archaeology of Agency

What happens when archaeological evidence appears to contradict the accepted archaeological timeline?

That question is at the heart of two remarkable stone finds presented here.

One is a recently recovered frontal ape-like face in an unidentified, extremely tough grey stone from Hampshire, southern England. It is not ordinary flint or chert and may eventually prove to be geologically unusual or non-local, although that requires proper identification.

The second is a separate gravel find in orange-stained flint, displaying what I interpret as an extraordinarily similar frontal ape subject, together with apparent ochre staining, incised or etched detailing and a complex organisation of facial features.

The significance is not merely that both stones “look like faces”.

The claim is that both independently recovered objects reproduce a highly specific visual subject: a frontal ape or chimpanzee-like face, organised around corresponding eyes, muzzle, mouth, tongue or oral detail, ear and facial structure.

And these are not isolated examples.

Across my wider South Downs assemblage, functional lithic forms and figure stones repeatedly incorporate ape-like heads, faces and composite imagery. Historical eolith collections recorded in antiquarian literature may contain comparable forms from geological contexts reported to extend astonishingly far into antiquity.

This creates a scientific problem that cannot honestly be solved by simply saying:

“The accepted timeline says this should not exist.”

A timeline is a model constructed from evidence.

Evidence is not required to obey the model.

The Same Ape Face Twice

If one ambiguous stone resembles an animal, chance resemblance must be considered.

If independently recovered objects in different raw materials repeatedly organise the same subject using corresponding anatomical features, the question changes.

It is no longer sufficient to ask:

“Can somebody imagine a face in this stone?”

The relevant question becomes:

Why do specific anatomical relationships recur, and what physical processes best explain them?

Find A: frontal ape-like face in unidentified tough grey stone, Hampshire.

Find B: orange-stained flint/gravel find with corresponding ape-like facial structure and apparent fine detailing.

Observed Feature	Grey Hampshire Find	Orange Flint Find
Frontal head composition	Apparent	Apparent
Paired eye organisation	Apparent detailing	Apparent detailing
Projecting ape-like muzzle	Present in interpretation	Present in interpretation
Mouth / oral division	Apparent	Apparent
Tongue / internal oral feature	Apparent	Apparent
Ear / lateral facial detail	Apparent	Apparent
Possible intentional modification	Requires microscopic documentation	Apparent incisions / pigment require analysis

The point is not to substitute a visual impression for analysis.

The point is that repetition allows analysis.

Repeated form, repeated anatomical placement, repeated modification and repeated association with lithic technology are precisely the kinds of observations that can move a claim beyond an isolated resemblance.

What is particularly striking in comparing these two finds is not simply the shared frontal chimpanzee-like form, but the recurrence of fine details that are not necessary merely to make a stone read as an ape face. In both objects the eye areas appear unusually elaborated. There are possible eyeball forms within the sockets, apparent pupil details, and indications that the eyes may be deliberately crossed or directed inward. On the orange-stained flint pebble this is especially conspicuous: partial or semicircular forms appear to emphasise the pupils, while the right eye also incorporates what appears to be an ochre-etched diamond-shaped element. Such additions go beyond the minimum visual information needed to suggest “chimpanzee”. They imply not crude representation but a surprisingly sophisticated visual language in which individual anatomical features were being manipulated, emphasised and perhaps encoded with additional meaning.

The protruding tongue may belong to the same system. I have observed this feature on other locally recovered figure stones, including at least one further object presenting a strongly ape-like frontal face, and another strong chimp-like, although the tongue motif is not confined exclusively to chimpanzee-like subjects. Its recurrence is therefore important. Eyes, pupils, crossed-eye arrangements, surrounding arcs, geometric eye forms and protruding tongues are not required simply to produce a recognisable ape likeness. Their repeated appearance suggests that these details were carrying information beyond identification of the subject itself. In other words, the maker may not merely have been depicting an ape, but using the ape image as a structured vehicle for additional visual meaning. I believe the wider assemblage provides further clues to how this system operated, and to how such details may have been deliberately employed by Palaeolithic, and potentially much earlier stone-working populations. That possibility deserves to be investigated as a problem in prehistoric cognition and visual communication, rather than dismissed as merely decorative.

The Fossil Record Is Not a Census

One of the most damaging habits in popular accounts of evolution and prehistory is the quiet conversion of:

“We have not found it”

into:

“It was not there.”

These statements are not scientifically equivalent.

Fossilisation is selective. Survival is selective. Geological exposure is selective. Excavation is selective. Recognition is selective.

The fossil record is evidence of presence; absence from it is not, by itself, proof of absence. Yet this elementary distinction is repeatedly violated across archaeology, palaeoanthropology and popular accounts of human evolution, where “no fossil has been found” quietly becomes “it was not there”, or “this was before Homo sapiens” is treated as sufficient reason to dismiss contradictory evidence. That is not rigorous science. It is circular reasoning: the accepted record is used to reject anomalous evidence, and the resulting absence of accepted anomalous evidence is then used to defend the record.

Worse still, potentially important evidence can remain unexamined or be misclassified precisely because the prevailing narrative has already declared its implications impossible. At that point, the model is no longer simply being tested by the evidence; it is being used to decide in advance what is permitted to count as evidence.

This is not an attack on palaeontology. It is basic palaeontological logic, that commonly fails to occur even at professional and graduate level.

The Chimpanzee Fossil Record Proved the Point

In 2005, Sally McBrearty and Nina Jablonski published the first recognised fossil chimpanzee remains in Nature.

The remarkable opening problem of that paper was simple: thousands of hominin fossils were known, yet no fossil chimpanzee had previously been reported.

Chimpanzees obviously existed before 2005.

Finding their first recognised fossils did not create their past existence. It corrected an incomplete record.

The discovery was important precisely because the previous geographical absence of fossil chimpanzees had influenced ideas about chimpanzee and hominin evolutionary history.

Source: McBrearty & Jablonski, “First fossil chimpanzee”, Nature 437 (2005) .

Archaeology Already Accepts Presence Without Human Bones

British archaeology itself demonstrates that skeletal remains are not required before the presence and behaviour of an ancient maker can be recognised.

At Pakefield in Suffolk, flint artefacts from deposits dating to approximately 700,000 years ago were described in Nature as the earliest unequivocal evidence then known for human presence north of the Alps. Yet no human fossil from Pakefield identifies who made them. The artefacts themselves establish the presence of a tool-making population.

Source: Parfitt et al., “The earliest record of human activity in northern Europe”, Nature 438 (2005) .

Happisburgh makes the point even more clearly. Flint artefacts from deposits more than 780,000 years old established the presence of Early Pleistocene hominins in northern Europe, again without the discovery of their skeletal remains. Later, ancient footprints provided direct trace evidence of individuals walking across the landscape.

Sources: Parfitt et al., Nature 466 (2010) ; Ashton et al., PLOS ONE (2014) .

Crucially, the researchers themselves state that there are no Early Pleistocene human fossils from the UK. The footprint makers therefore cannot be identified to species from British skeletal evidence. Homo antecessor is discussed because it is the only known western European hominin species of comparable age and because the estimated body dimensions are compatible with it. That is a comparison and possible attribution, not the identification of the actual Happisburgh population.

This distinction is extremely important.

At Pakefield and Happisburgh, archaeology accepts that somebody was there, that they made tools, occupied a landscape and, at Happisburgh, physically walked across it, even though we do not possess their bones and cannot securely identify the species responsible.

So archaeology already accepts the principle:

NO BONE DOES NOT MEAN NO MAKER.

Material evidence can demonstrate presence independently of skeletal evidence.

The scientifically defensible question must therefore be:

WHAT MATERIAL EVIDENCE OF A MAKER SURVIVES?

This exposes a serious inconsistency whenever anomalous lithic evidence is dismissed merely because the currently accepted fossil record says that a particular species, technology or cognitive capacity was “not there” or “did not yet exist”. The Pakefield and Happisburgh evidence shows that the identity of a maker can remain unknown while their presence and behaviour are nevertheless accepted from the surviving material record.

The artefact comes first. Identification of its maker is a separate question.

That distinction should apply whether the evidence comfortably fits the existing evolutionary timeline or seriously challenges it.

Does a Chimpanzee Image Prove Chimpanzees Lived in Britain?

No, not by itself.

This distinction matters, it's logical to assume they did, but it's not proof.

If these stones are demonstrated to contain intentional representations of a chimpanzee-like ape, they would establish evidence concerning the knowledge, memory, conception or representation of that subject by a maker.

That is not automatically the same thing as proving that a living chimpanzee population occupied Hampshire.

The subject could theoretically derive from direct observation, geographical movement, inherited cultural knowledge, memory, another ape morphology, symbolic convention or some currently unknown source.

Those become secondary research questions.

The first question is simpler:

Is the image intentionally organised?

Rejecting that question because no recognised chimpanzee fossil exists in Britain would be circular reasoning.

The Eolith Problem: A Natural Mechanism Is Not a Universal Diagnosis

The word eolith has acquired extraordinary historical baggage.

The current Wikipedia entry summarises the category by saying that eoliths were once considered artefacts but are “now believed to be geofacts”.

See: Wikipedia: Eolith .

That wording compresses a complicated scientific controversy into something dangerously close to a universal verdict.

There was legitimate scientific work demonstrating that natural forces can fracture flint in ways resembling crude human retouch.

Marcellin Boule discussed experimentally produced eolith-like forms in 1905. Samuel Hazzledine Warren likewise investigated naturally fractured flints and later described a “natural eolith factory”.

Historical source: “On the Origin of Eoliths”, Nature 72 (1905) .

That work established an important proposition:

Nature can produce lithic fractures that resemble elementary human workmanship.

It does not logically establish:

Every object ever called an eolith was therefore produced naturally.

Those are different propositions.

A demonstrated mechanism is not a diagnosis of every specimen.

If a Victorian collector placed ten naturally fractured stones, five genuine artefacts and three uncertain objects into a drawer labelled Eoliths, no experiment demonstrating natural fracture could magically convert every object in that drawer into a geofact.

Each object would still require examination.

If all eoliths can be dismissed as products of nature simply because nature can fracture flint, then the same logic can be used to dismiss accepted stone tools in museums throughout the world. Nature can fracture those too. The question has never been whether nature can break stone; the question is whether the surviving pattern demonstrates intentional working.

In a substantial proportion of the antiquarian eolith assemblages, the evidence goes far beyond isolated fractures. There is design logic, working logic, organised flaking strategy, targeted edge and blade sharpening, repeated exploitation of predictable flint fracture, deliberate-looking modification of particular functional areas, and coherent tool forms. These are precisely the kinds of relationships from which intentional manufacture and cognition are inferred in accepted lithic industries. In some specimens there is an additional layer: apparent ape, animal and other figurative organisation integrated into the tool form itself, exactly as in my discovery from my UK site.

This creates an unavoidable double standard. If organised fracture, selective edge preparation, repeated technological strategy and coherent morphology demonstrate agency in an accepted Palaeolithic assemblage, the same evidence cannot suddenly become meaningless when it occurs in an “eolith” from a geological context measured in millions or tens of millions of years. The workmanship does not cease to exist because its implications are inconvenient.

Calling such assemblages “geofacts” on the basis of age or historical classification is not an explanation of the evidence. It is an avoidance of it. The design logic, fracture strategy and evidence of cognition have to be explained. If nature is claimed as the maker, then nature must account for the complete technological pattern, not merely demonstrate that rocks can break.

The evidence must determine the chronology. The chronology cannot be allowed to determine, in advance, what counts as evidence.

See my Eolith Atlas, and think for yourself.

Modern Historians of Archaeology Recognise the Debate Was More Complicated

Anne O'Connor's history of the eolith controversy describes a genuine multidisciplinary dispute involving archaeologists, geologists, professionals and amateurs rather than a simple story of foolish collectors being corrected by obvious science.

Reference: O'Connor, “Geology, archaeology, and ‘the raging vortex of the eolith controversy’”, Proceedings of the Geologists' Association (2003) .

Roy Ellen's later historical analysis similarly notes that although the historical eolith debate eventually collapsed, the technical problem of distinguishing artefacts from geofacts remains a current archaeological issue.

Reference: Ellen, “The Eolith Debate, Evolutionist Anthropology and the Oxford Connection Between 1880 and 1940” (2011) .

That is very different from pretending that one early twentieth-century experiment scientifically diagnosed every historical eolith collection on Earth.

When the Narrative Becomes Circular

There is a serious methodological danger when chronology is allowed to police evidence instead of being tested by evidence.

The circular form looks like this:

The accepted chronology says a particular maker, technology or cognitive ability did not exist at date X.
An anomalous object apparently contradicts that chronology.
The object is rejected because the proposed maker, technology or cognition “could not” exist at date X.
The absence of accepted objects at date X is then cited as confirmation of the original chronology.

That is a self-protecting argument.

It is not good science.

Current evolutionary chronology is a scientific model constructed from fossils, genetics, geology and archaeology. It is enormously informative but it remains a model capable of revision when sufficiently strong evidence requires it.

We know this because revision has happened repeatedly.

Stone Tools Already Broke One “Impossible” Timeline

For decades, stone-tool manufacture was closely associated with the genus Homo.

Then the Lomekwi 3 assemblage in Kenya pushed recognised intentional stone technology back to approximately 3.3 million years ago, predating the earliest currently recognised members of Homo.

Source: Harmand et al., “3.3-million-year-old stone tools from Lomekwi 3”, Nature 521 (2015) .

The evidence changed the timeline.

The timeline did not get to veto the evidence.

Engraving and Cognition Have Also Moved Backwards in Time

A geometric engraving associated with Homo erectus at Trinil, Java, was dated to roughly 380,000–640,000 years ago, dramatically extending discussion of intentional geometric marking beyond the conventional association with recent modern humans.

Source: Joordens et al., “Homo erectus at Trinil on Java used shells for tool production and engraving”, Nature 518 (2015) .

And in 2024, research in Sulawesi dated the oldest currently widely recognised surviving representational scene to at least 51,200 years ago.

Source: Oktaviana et al., “Narrative cave art in Indonesia by 51,200 years ago”, Nature 631 (2024) .

Again and again, apparently secure boundaries surrounding technology, cognition and art have moved when new material evidence survived scrutiny.

That history should produce intellectual humility, not chronological dogma.

The 10, 20 and 30 Million Year Problem

This is where the eolith question becomes genuinely uncomfortable.

My Eolith & Tertiary Tools Atlas brings together more than 200 historical records involving eoliths, proposed early stone tools, figure stones and related material from classic sites and collections.

Explore the database: Eolith & Tertiary Tools Atlas .

Some historical specimens were reported as recovered in situ from stratified geological deposits assigned to parts of the Miocene, Oligocene, Eocene and other remarkably ancient contexts.

In some cases this means claimed geological ages measured not in hundreds of thousands of years but in tens of millions of years.

That does not mean every such specimen is thereby proven to be a 10, 20 or 30 million year old manufactured tool.

Geological age of a reported deposit and demonstrated age of manufacture are not automatically identical.

Historical provenance must be checked. Reworking must be considered. Old stratigraphic terminology must be translated into modern geology. Original descriptions, plates and collection histories must be reassessed.

But neither should these objects disappear merely because their reported ages are inconvenient.

The scientifically responsible response to extraordinary provenance is:

CHECK IT.

Not:

IGNORE IT BECAUSE IT CANNOT BE TRUE.

Ape Faces in Ancient Tool Forms

The present chimpanzee-like faces matter because they may not be an isolated modern observation.

Across my own assemblage I have repeatedly documented ape-like subjects incorporated into:

flint tools;
scrapers and cutting forms;
figure stones;
composite or anamorphic objects;
pigmented and apparently engraved surfaces;
objects combining utility and imagery.

Comparable ape-like morphology also appears, in my interpretation, among historical specimens recorded in old eolith literature.

This is precisely why the argument cannot be reduced to one photograph and the word pareidolia.

If the same iconographic organisation genuinely recurs across independently recovered material, different raw materials, different collectors and historical collections, then recurrence itself becomes part of the evidence requiring explanation.

Comparative plate: independently recovered ape-like motifs in lithic tools and figure stones. Individual provenance and interpretation should be assessed specimen by specimen.

Pareidolia Is a Hypothesis, Not an Explanation

Pareidolia exists.

Humans perceive meaningful forms in clouds, rocks, bark, stains and random visual noise.

Therefore any proposed figure stone must survive the possibility of accidental resemblance.

But saying the word pareidolia does not explain a specimen.

It does not identify how a particular scar formed.

It does not explain an incision.

It does not explain pigment.

It does not explain sequencing of removals.

It does not explain repeated placement of particular anatomical features.

And it certainly does not explain a whole assemblage merely by being repeated loudly enough.

“Pareidolia” is an alternative perceptual hypothesis. “Geofact” is a proposed physical diagnosis. Neither word removes the obligation to examine the object.

A critic who proposes natural formation should be able to identify the relevant natural processes and show how those processes account for the complete observed morphology better than intentional modification does.

That is a scientific argument.

Search Engines, Wikipedia and AI Do Not Decide Archaeology

There is a further modern problem.

A simplified statement can now be copied between websites, search results, encyclopedia summaries and machine-generated answers until repetition itself creates the appearance of authority.

But a thousand repetitions of:

“Eoliths are geofacts.”

do not constitute a thousand scientific examinations.

They may ultimately trace back to the same tiny group of historical arguments.

Search ranking is not experimental archaeology. Wikipedia consensus is not microscopy. AI output is not provenance analysis.

If a modern summary says a particular object is naturally fractured, the obvious scientific question remains:

Which object was examined, by whom, by what method, and what observations establish that diagnosis?

Without that chain, a categorical statement risks becoming inherited narrative rather than demonstrated science.

The Hypocrisy That Must Be Avoided

Archaeology correctly accepts stone artefacts as evidence of ancient hominin presence where no human skeleton is available.

It correctly recognises that technological and cognitive chronologies can move when better evidence appears.

It correctly recognises that distinguishing artefacts from naturally fractured stone requires analysis.

Therefore it would be methodological hypocrisy to celebrate lithic evidence when it comfortably extends an accepted chronology, but automatically downgrade lithic evidence to “nature” when its implications become too old or too disruptive.

The standard must remain the same:

Examine the evidence.

Not the comfort of the conclusion.

Why These Finds Matter to Evolution, Art and Cognitive Science

If intentionality can be demonstrated in these objects, their importance extends far beyond the classification of a few stones.

A figurative representation is evidence of more than manual fracture.

It potentially requires a maker capable of:

recognising a living form as a coherent visual category;
selecting diagnostic anatomical features;
holding or recalling a visual concept;
mapping that concept onto irregular stone;
using existing natural morphology strategically;
adding or removing material selectively;
understanding how another viewer might recognise the result;
possibly repeating a conventional visual motif.

That concerns visual cognition, memory, abstraction, representation, communication, planning and the externalisation of mental imagery.

If such behaviour can be securely demonstrated at dates substantially earlier than currently accepted figurative traditions, then major accounts of the evolution of art and cognition would require revision.

If comparable intentionally manufactured imagery were ever securely established in genuinely Tertiary contexts, the implications would be vastly larger still.

Extraordinary implications demand extraordinary testing.

They do not justify refusing to test.

A Scientific Programme for Testing These Claims

I am not asking archaeology to accept these objects because I say they are important.

I am asking that the strongest specimens be subjected to the same seriousness routinely applied to discoveries that already fit accepted expectations.

Useful investigation should include:

Petrological identification of the unusual grey Hampshire stone.
Geological sourcing to determine whether the material is local or exotic.
High-resolution microscopy of suspected incisions, percussion scars, abrasion and retouch.
Fracture sequencing to determine relationships between removals and later surface alteration.
Residue and pigment analysis where ochre or other colouring material is suspected.
Patina and weathering comparison across modified and unmodified surfaces.
3D surface recording to document morphology independently of lighting and photography.
Blind comparative assessment of repeated anatomical landmarks across proposed imagery.
Experimental replication comparing humanly produced marks with plausible geological processes.
Assemblage-level study rather than cherry-picking isolated objects.
Historical provenance reassessment of the strongest antiquarian eolith records.
Modern geological review of claimed stratigraphic ages and possible reworking.

This is where the argument belongs.

Not in ridicule.

Not in authority.

Not in the automatic assertion that something “cannot” exist because a textbook timeline currently has nowhere to put it.

The Challenge

I have spent years documenting an assemblage from one relatively small area of southern England containing an extraordinary quantity of apparently worked stone, tool forms, repeated figurative subjects, pigment, unusual iconography and recurrent visual conventions.

The chimpanzee-like or ape-like subject is only one part of that evidence.

Historical collections and antiquarian literature suggest that the wider problem may extend far beyond my own site.

So here is the challenge:

Do not tell me the object cannot be worked because its implications are too old.

Identify the stone.
Examine the scars.
Analyse the pigment.
Test the provenance.
Compare the repeated forms.
Propose the natural mechanism.
Attempt to falsify intentional agency.

If the evidence fails, demonstrate why.

If it survives, change the narrative.

That is how science is supposed to work.

Conclusion: Evidence Does Not Owe Allegiance to a Timeline

The fossil record is indispensable.

It is not complete.

Archaeological chronology is indispensable.

It is not infallible.

Natural fracture is real.

It does not make every disputed stone a geofact.

Pareidolia is real.

It does not automatically explain repeated structured imagery.

And the word eolith must not be used as a convenient intellectual dustbin into which uncomfortable objects can be thrown without individual examination.

The two chimpanzee-like faces shown here are important not because they instantly prove a complete alternative history of Britain, chimpanzees or human evolution.

They are important because, together with the wider assemblage and historical record, they raise testable questions that the conventional narrative does not presently answer.

Science has no right to demand that evidence remain ordinary.

It only has the right to demand that extraordinary evidence be tested extraordinarily well.

That examination is overdue.

A quick look at what else appears in that Stone.

Here are a few other standard lithic language subjects that can be found in that Gray chimpanzee like face stone:

This composite shows several of the recurring conventions I have been documenting in figure stones and worked lithics since at least 2012 found in the same Chimp-like face stone: the same economical use of outline, fracture, internal line and geometric feature to carry more than one recognisable subject within a single stone. The convention can be loose, but in the strongest examples it is remarkably concise. Here I interpret the first image as an elephant head, including the familiar diamond-shaped eye motif; the second as a bird with the head turned backwards in the characteristic preening posture, more goose-like than swan in this particular example. That reading is especially interesting alongside my work on ovate tools as deliberately egg-shaped forms and the close geometric correspondence I have demonstrated between ovate handaxes and goose eggs. [See: “Ovate Handaxes and the Symbolism of the Egg”.]

The third interpretation is more challenging, but it belongs to another motif that is strongly represented across my wider assemblage: a pterosaur-like profile or partial figure. Look carefully at how the thicker line defines the neck and body. The same geometry can also be read through another recurring convention: reinterpret the apparent wing-tip area as the diamond-shaped fin or flipper of a mosasaur-like marine reptile, and another coherent animal form emerges. That type of deliberate visual switching where the same worked lines, edges and geometric features participate in more than one image
is central to what I have been arguing for years. These are not simply pictures imposed on random stones; they appear to use a repeatable visual language in which outline, orientation, shared anatomical features and transformation between subjects were deliberately built into tools and artefacts.

Further Research

Selected Scientific & Historical References

McBrearty, S. & Jablonski, N. (2005). First fossil chimpanzee. Nature 437, 105–108.
Parfitt, S. et al. (2005). The earliest record of human activity in northern Europe. Nature 438, 1008–1012.
Parfitt, S. et al. (2010). Early Pleistocene human occupation at the edge of the boreal zone in northwest Europe. Nature 466, 229–233.
Ashton, N. et al. (2014). Hominin Footprints from Early Pleistocene Deposits at Happisburgh, UK. PLOS ONE 9(2).
Harmand, S. et al. (2015). 3.3-million-year-old stone tools from Lomekwi 3, West Turkana, Kenya. Nature 521, 310–315.
Joordens, J. et al. (2015). Homo erectus at Trinil on Java used shells for tool production and engraving. Nature 518, 228–231.
Oktaviana, A. et al. (2024). Narrative cave art in Indonesia by 51,200 years ago. Nature 631, 814–818.
O'Connor, A. (2003). Geology, archaeology, and ‘the raging vortex of the eolith controversy’. Proceedings of the Geologists' Association 114.
Ellen, R. (2011). The Eolith Debate, Evolutionist Anthropology and the Oxford Connection Between 1880 and 1940. History and Anthropology 22.
On the Origin of Eoliths. Nature 72 (1905).

FAQ

Are these stones proven chimpanzee carvings?
I interpret them as intentionally worked representations of a chimpanzee-like or ape-like frontal face. Their significance lies in the repeated anatomical organisation and apparent modification, but independent microscopic, geological and comparative examination would strengthen or falsify that interpretation.

Does the absence of chimpanzee fossils in Britain prove chimpanzees were never present?
No. Fossil absence alone is not proof of biological absence because fossilisation and discovery are incomplete processes. However, an intentional chimpanzee-like representation would not by itself prove a living chimpanzee population in Britain either; it would first demonstrate knowledge or representation of an ape-like subject.

Why is the first fossil chimpanzee discovery important to this argument?
Until 2005 no recognised fossil chimpanzee had been reported despite thousands of known hominin fossils. The later discovery demonstrates how an empty fossil record can reflect preservation, geography and sampling rather than actual historical non-existence.

Do archaeologists require human bones to prove ancient human presence?
No. Pakefield and Happisburgh in Britain show that stone artefacts, stratigraphy and trace evidence such as footprints can establish hominin presence without a corresponding human skeleton.

Are all eoliths natural geofacts?
Natural processes can unquestionably create eolith-like fractures, and some historical specimens may be natural. But demonstrating a natural mechanism does not scientifically diagnose every individual specimen ever labelled an eolith. Artefact or geofact status must be assessed from the evidence of the particular object and its context. Many historical eoliths look exactly like accepted ancient flint tools.

What is wrong with simply calling an unusual stone pareidolia?
Pareidolia describes the human tendency to perceive familiar forms in ambiguous stimuli. It is a legitimate alternative hypothesis for apparent imagery, but it does not explain physical incisions, pigment, fracture sequence, repeated anatomical placement or assemblage-level recurrence unless those observations are also accounted for.

Are the claimed 10-, 20- or 30-million-year-old eoliths proven artefacts?
No universal claim should be made from geological labels alone. Some historical eoliths were reported from deposits assigned remarkable Tertiary ages, but their provenance, possible reworking, geology and workmanship require modern specimen-level reassessment before a manufacture date can be considered secure. Current evidence suggests they are incredibly ancient stone tools.

Why would ancient figure stones matter to cognitive science?
Intentional representation potentially records visual memory, categorisation, planning, abstraction, communication and the ability to externalise a mental image. Demonstrating such behaviour at unexpectedly early dates would directly affect models of cognitive and artistic evolution.

How can an artefact be distinguished from a geofact?
Useful evidence includes fracture mechanics, percussion features, repeated retouch, technological sequence, microscopic wear, residues, pigment, patination, geological context, refitting, replication experiments and comparison with the wider assemblage. No single visual characteristic should carry the entire interpretation.

What is the Eolith & Tertiary Tools Atlas?
It is a searchable research database at Eoliths.org bringing together more than 80 historical records of eoliths, proposed early stone tools, figure stones and related finds, including links to antiquarian publications, plates, locations and reported geological contexts.

What should happen next with the Hampshire grey stone?
The raw material should first be identified petrologically and compared with local geology. High-resolution microscopy and 3D recording should then document suspected working, while any unusual residues, staining or pigment should be independently analysed.

Plate Flint, Tabular Flint, and Diamond-Shaped Prepared Blanks: Flint Anvils, Stone Plates, and Ancient Worked Flints from a South Downs Site

2026-03-29T11:06:00.003+01:00

Plate Flint, Tabular Flint, Diamond-Shaped Flint, and Prehistoric Prepared Stone

Anvils, blanks, portable reserves, and early flint working in Southern England
I have many stunning Prehistoric Horse Head Sculptures from my secret site on the South Downs in Southern England, this one is very skilfully worked from plate flint.

On my site in the South Downs of England, near the famous Boxgrove area, one of the most important raw materials is plate flint, also known as tabular flint. These flat, slab-like flints differ from rounded nodules because they already present broad faces, usable edges, and a natural geometry that lends itself to working, transport, storage, and reuse.

At this site, plate flint and tabular flint do not appear as isolated curiosities. They occur as worked stone plates, prepared blanks, partly shaped flints, flint anvils, flint tools, prehistoric art and distinctive diamond-shaped flint or kite-shaped flint forms. These pieces belong to a wider prehistoric stone-working tradition in which flat flint was selected or mined not only for immediate use, but also for later finishing in to tools and art, carrying, caching, or exchange.

This makes plate flint especially important. A tabular flint tool can be more than a finished tool. It can also be a prepared flint blank, a portable rough-out, a strike-support anvil, a reserve of workable raw material, or a prehistoric flint preform shaped just enough for later use. In many prehistoric contexts, the technology begins before the final tool form. It begins with the choice of stone.

What is plate flint?

Plate flint is flint that occurs in relatively flat, slab-like, layered, or tablet-like pieces rather than only in rounded nodules. The term tabular flint is often used for the same general idea: flint with broad planar surfaces, flatter geometry, and a shape that naturally encourages the making of blanks, scrapers, knives, bifacial forms, support pieces, and other worked objects.

This is why terms such as plate flint, tabular flint tools, stone plate tools, flat flint blanks, flint tools made from tablet flints, and ancient mined plate flints all matter. They point to slightly different ways people describe the same broad technological reality: flat flint is often selected because it is already partly usable before heavy shaping even begins.

Why tabular flint matters on prehistoric sites

Tabular flint matters because it offers prehistoric flint workers an unusually efficient starting point. A plate of flint can already provide:

broad striking faces
straight or gently curved usable edges
balanced outlines
stable support surfaces
easy transport compared with irregular nodules
a ready-made blank for later retouch
consistency and repeatability

Because of this, many plate flints may have been used in more than one way over time. A single piece might begin as selected raw material, then become a prepared tabular flint blank, then serve as a support or plate flint anvil, and finally end up retouched into a more formal tool. This fluidity is one reason flat flint assemblages are so important.

Diamond-shaped and kite-shaped plate flints

One of the most striking recurring forms on my site is the diamond-shaped flint or kite-shaped tabular flint. These pieces are often broad through the middle and taper toward one or both ends. Nearly all appear symmetrical enough to suggest intentional working.

These forms should not automatically be forced into a single category. Some may have functioned as:

prepared blanks
portable flint reserves
unfinished flint blanks
anvil or support pieces
partly worked trade or transport pieces
objects valued for both function and form
A seasonal lunar and solar calendar
symbols that literally say 'diamond' or something else.

That is one of the most important points of this study. A diamond-shaped plate flint is not always best understood as a finished tool. In many cases, it may represent a technological stage: a piece selected, trimmed, and held ready for future use. Some may be better understood as prepared plate flint, flint rough-outs, or flat diamond flint blanks.

One of many Diamond shaped flint plates found on my South Downs site.

Plate flint as anvil, blank, and prepared material

Many prehistoric stoneworking traditions depended not just on completed tools, but on the movement and storage of prepared stone. That is why terms such as prepared plate flint, prepared tabular flint blank, partly worked flint slab, flint rough-out, portable flint blank, and prehistoric flint preform are so useful.

On prehistoric sites, plate flints may have served as:

anvils for percussion or support during knapping
blanks for later retouch into scrapers, knives, or bifaces
preforms shaped for easy transport
cached material held as future toolstone
exchange pieces that retained value as workable stone

In this sense, tabular flint sits at the meeting point of raw material economy, transport, reduction strategy, and final tool production. The likely use of many of these flat pieces includes flint anvils, tabular flint anvils, prepared blanks, and partly shaped materials worked for easy transport or trade.

Plate flint and tabular flint beyond one site

The importance of plate flint is not confined to a single locality. Across prehistoric Europe, flat and slab-like flints were valuable because they reduced waste and offered predictable forms for shaping. On many sites, prehistoric peoples chose plate-like flints because these were easier to turn into blanks, edge tools, bifacial pieces, and support stones than irregular nodules.

That wider pattern matters. It means that the study of tabular flint tools, prehistoric plate flint, worked stone plates, tabular flint anvils, flat flint preforms, stone plate tools, ancient mined plate flints, and European tabular flint archaeology is part of a broader archaeological question: how prehistoric peoples selected and prepared stone before formal toolmaking was complete.

Moir, early flint industries, and plate-shaped forms

This discussion also connects with the work of J. Reid Moir, especially Pre-Palaeolithic Man (1919), where illustrated sequences include pointed, broad, and diamond-like flint forms. Whatever one’s view of all of Moir’s conclusions, his illustrations remain important because they show an early attempt to organise recurring flat and pointed flint shapes into a broader prehistoric framework.

For my purposes, the importance of Moir lies in the recognition that certain plate flint, tabular flint, and diamond-shaped flint forms recur in very old contexts and deserve attention not simply as accidents of breakage, but as material with technological and possibly cultural significance.

Moir also placed some of his material in very early stratigraphic horizons beneath the Red Crag and associated sub-Crag deposits. In modern age terms, that means he was arguing for great antiquity measured in millions of years, with the relevant formations broadly falling into a late Pliocene to earliest Pleistocene range in his framework. Whether or not every conclusion is accepted today, that claimed antiquity is a major part of why his book still matters in discussions of early worked flint, pre-Crag implements, and diamond-like plate forms.

I have hosted Moir’s book on Eoliths.org as reference material so readers can consult the original source directly.

England, UK (Moir illustrated series) · Pliocene–Pleistocene (as framed in Moir’s sequence) · Early industries illustrated as part of Moir’s pre-/sub-Crag and later comparative framework from Eoliths.org Atlas - J. Reid Moir, Pre-Palaeolithic Man (1919)

Why this matters for the South Downs

The South Downs are one of the great flint landscapes of Britain. In such a region, the study of plate flint and tabular flint is not secondary. It is central. Flat flint offered prehistoric peoples a practical, adaptable, and often portable stone resource. It could be selected for shape, prepared in advance, used as an anvil, retouched into a tool, or retained as a reserve of future utility.

That is why plate flint deserves renewed attention. The archaeology of prehistoric flintworking does not begin only with the finished handaxe, scraper, or point. It begins with the stone itself: its form, its fracture, its transportability, and its readiness for use.

Conclusion

Plate flint and tabular flint are among the most revealing categories of prehistoric stone. They show how prehistoric peoples worked with natural form, not just against it. A flat flint plate could be a blank, an anvil, a support, a preform, a rough-out, a transport piece, or a finished tool. Diamond-shaped flint and kite-shaped flint examples especially highlight the way geometry, selection, and intention may all meet in a single object.

On prehistoric sites in southern England and beyond, these flints deserve close study. They are not merely fragments. They are often evidence of planning, preparation, transport, and technological choice. This is why terms such as plate flint tools, tabular flint tools, flint tools made from tablet flints, prepared stone plates, worked stone plates, flat flint blanks, and prehistoric flint anvils all belong in the same conversation.

Reference Material

J. Reid Moir, Pre-Palaeolithic Man (1919) – hosted reference copy on Eoliths.org: https://eoliths.org/atlas/sources/moir-1919-pre-palaeolithic-man.pdf
Plate 22 illustration Hosted on Eoliths.org Atlas database: https://eoliths.org/atlas/atlas.html
Related article on tabular flint and percussive use: https://paleolithics.blogspot.com/2025/10/tabular-flint-mining-and-percussive.html

Frequently Asked Questions about Plate Flint, Tabular Flint, and Prehistoric Use

What is plate flint?

Plate flint is flint that occurs in flatter, slab-like, plate-like, or tablet-like pieces rather than only in rounded nodules. It is often suitable for use as a blank, support stone, or partly worked preform.

What is tabular flint?

Tabular flint is another term for flat or slab-like flint with broad planar surfaces. In many contexts, plate flint and tabular flint are used in very similar ways.

Did prehistoric people use tabular flint?

Yes. Prehistoric peoples used tabular flint because it provided ready-made surfaces, edges, and portable blanks that could be worked more efficiently than irregular stone in some situations.

Were plate flints used on prehistoric sites by prehistoric peoples?

Yes. Plate flints and tabular flints were useful on prehistoric sites because they could serve as blanks, support stones, anvils, preforms, and eventually finished tools.

Why is tabular flint important on prehistoric sites?

It is important because it shows raw material selection, planning, transport, and staged reduction. A flat flint may be selected long before it becomes a finished tool.

Was plate flint used to make tools?

Yes. Plate flint could be turned into scrapers, knives, bifacial pieces, points, rough-outs, and other worked forms. It could also be retained as a blank for later work.

Could plate flint be used as an anvil?

Yes. Some plate flints may have been used as anvils or support stones during percussion or knapping because their flat surfaces make them suitable for stable contact.

What is a prepared flint blank?

A prepared flint blank is a piece of stone selected and sometimes partly shaped so it can be worked further later. It is not always a finished tool, but it has already entered the toolmaking process.

What is the difference between a flint blank and a finished flint tool?

A blank is raw material that has been selected or prepared for later working. A finished tool has usually undergone further shaping, edge preparation, or retouch for a particular use.

What is a flint preform?

A flint preform is a partly shaped piece that is on its way to becoming a more formal tool. It preserves the intended direction of shaping but is not fully finished.

Why are diamond-shaped flints important?

Diamond-shaped flints are important because they may reflect deliberate selection, shaping, portability, visual symmetry, and technological planning. Some may be preforms, blanks, or multi-purpose worked pieces.

What is a kite-shaped flint?

A kite-shaped flint is a flint with a broad central area and tapering ends, producing a shape similar to a kite or elongated diamond. In tabular flint, this can arise through both natural form and selective working.

Are all diamond-shaped flints tools?

No. Some may be tools, but others may be prepared blanks, portable reserves of stone, support pieces, or partly shaped material intended for later use.

Did prehistoric people transport prepared stone?

Yes. Prehistoric people often moved prepared stone, blanks, and partly worked material, not just finished tools. This made it easier to carry useful raw material from one place to another.

Could tabular flint have been traded?

It is possible that prepared tabular flint or valuable flat blanks were exchanged or moved between places, especially where quality stone sources were important.

Why is plate flint useful compared with nodular flint?

Plate flint may require less initial shaping because it already offers flat surfaces and usable outlines. Nodular flint often needs more correction before producing a convenient blank.

What is a worked stone plate?

A worked stone plate is a slab-like piece of stone that has been modified by percussion, trimming, retouch, or use. In flint-rich contexts, this may include tabular flint blanks and anvils.

What is a flint rough-out?

A flint rough-out is a partly worked piece that has been shaped enough to show its intended form, but not enough to count as a fully finished tool.

Were plate flints used in the Lower Palaeolithic?

Flat flints and plate-like forms are relevant to Lower Palaeolithic discussions because early stoneworking often involved selecting natural forms that could be quickly adapted or further reduced.

What does plate flint tell us about prehistoric technology?

It shows that prehistoric technology involved planning, raw material selection, transport, curation, and staged working, not just the final production of formal tools.

Why include Moir in this discussion?

Moir is important because his illustrated work drew attention to recurring flat, pointed, and diamond-like flint forms in early prehistoric contexts. His plates remain useful historical reference material.

Where can I read Moir’s book?

You can read the hosted reference copy on Eoliths.org here: https://eoliths.org/atlas/sources/moir-1919-pre-palaeolithic-man.pdf

Why are South Downs flint sites important?

The South Downs are one of Britain’s major flint landscapes. They provide an ideal setting for studying raw material selection, prehistoric flintworking, transport, and tool production.

Can tabular flint be both practical and symbolic?

Yes. A piece may be chosen because it is useful, but also because its shape is visually striking. Symmetry and recognisable form may have mattered as well as function.

What should I look for in a possible tabular flint blank?

Look for flat faces, manageable thickness, selected edges, a balanced outline, signs of trimming, percussion marks, edge preparation, or wear suggesting handling, support, or further intended working.

A Peer Review of Richard Wilson: Bearly Figurable (and “BULLSHIT”)

2026-01-25T13:34:00.006+00:00

A Peer Review of Richard Wilson: Bearly Figurable (and “BULLSHIT”)

Key terms: Figure Stones, Richard Wilson, Erschwing bear tracks, bear effigy stone, portable rock art

A recent email from Richard has prompted this post. In it, he calls for “rigour,” insists on tighter evidential standards, and complains about citation gaps — while also implying that “much of this was established decades ago” and that what I’m doing is simply re-running old ground without the proper intellectual framework.

My view is that this is utter hypocrisy, and it’s hard not to notice the timing. These objections could have been raised constructively 14 years ago, when my material first went public. Instead they arrive now, right as the work is presented in a far more coherent way — through my new site, the Eolith Atlas structure, the portable rock art gallery, the organised material, the comparisons, and the overall clarity of the case. In other words: the “rigour” lecture looks less like a neutral methodological concern, and more like a reaction to the project becoming harder to casually dismiss.

If “the standards” and “the established work” are really the point, then the obvious question is simple: where are the citations, and where is the established framework, specifically, for figurative lithics and figure-stones — and why does it get invoked as a rhetorical shield rather than demonstrated in detail?

Richard Wilson's Scientific Rigor: “You seriously think that this is worked by hominins? This just shows that you do not understand flint fracture mechanics or geology.” No, Richard — it shows a double standard: dismissing visible agency and possible ochre here, while later demanding “rigour” from me, but not in your own paper.

In 2013 I posted my “face effigy” stone with photos and a plain-language description of what I could see: deliberate-looking modification/figuration and iron-oxide staining consistent with applied ochre. Richard’s immediate reaction was outright trolling and a competence attack: “You seriously think that this is worked by hominins? This just shows that you do not understand flint fracture mechanics or geology.” Fast-forward to his recent emails and he’s suddenly posturing about “scientific rigor” and “standards,” yet the only “rigor” he applied to my 2013 piece was dismissal-by-insult, even though the photo shows clear evidence of cognition/agency cues and the red/iron-oxide emphasis in a way that is at least legitimate to flag as possible pigment. What makes it worse is the double standard: even Alan Day — despite disagreeing with me on plenty — accepts that 2013 object as an artefact, while Richard’s own paper is happy to call other people’s examples “figure-stones” (i.e., artefacts rather than geofacts) without demanding the same explicit evidential package from him or those original finders that he retrospectively demands from me.

A Bear Faced Pie?

In Richard Wilson’s Erschwing “bear tracks” paper (2018), he suddenly attempts a “statistical proof” approach to figuration — the very kind of move he’d already sneered at when it came from me. About seven months earlier, I emailed him saying I’d worked out a methodology for statistically testing figuration claims, and I sent him the link; his reply wasn’t a critique, it was pictorial and the only reasonable reading was “BULLSHIT.” Yet later that same year he’s doing the same basic thing in print — badly — and without so much as acknowledging where the idea had been put to him first. If this kind of statistical control-test framing was genuinely “established decades ago,” he should be able to cite who established it in the specific context of figurative lithics; and if it wasn’t established, then the omission is simple: he used the method when it suited him, while dismissing it as “bullshit” when I proposed it.

Richard Wilson’s “bear” test is basically this: he compares two sets of stones — (1) a set treated as “figure-stones” with recognisable bear-like forms, and (2) a “randomly selected” control set of naturally fractured rocks — and argues that if bear-like “iconography” appears far more often in (1) than (2), that supports agency/figuration rather than chance fracture. He sells it as “bear-selected stones vs random stones”.

Even at face value it’s circular: picking stones that “look like bears” and contrasting them with random stones only proves you picked stones you think look like bears — it doesn’t demonstrate sculpting or intention.

Mathijs Vos highlights the fatal contradiction using Wilson’s own stated “required” evidence:

“Now, careful examination of Table 1 shows that the author detected iconography in 17 out of 18 unmodified stones. That means the author finds 94.4% of iconographic items in a sample of rocks fractured only by natural forces… case closed by the author’s own criteria.”

So the “control” does the opposite of what it’s meant to do: if the natural/unmodified set produces “iconography” at essentially the same (or higher) rate as the “modified” set, then by Wilson’s own stated logic the result isn’t meaningful — it undercuts the claim rather than proving it.

Worse, after that criticism, the story shifts: the supposed “random” rocks are now effectively treated as bear-like too, and the comparison drifts from “selected bears vs random rocks” toward “bears vs bears.” That’s changing the buckets after the fact — which reeks either of total incompetence or a deliberate attempt to protect the headline claim.

Because this is such a small niche, it’s hard not to notice how “standards” language can function like club membership: some claims are waved through as “figure-stones,” while others are met with trolling, dismissal, and zero credit — even when the methodology later reappears in print without citation.

If Richard is operating within IFRAO-adjacent circles (as far as I know), it’s fair to ask whether this is a network problem: a closed loop that amplifies certain voices, shields insiders from the scrutiny they demand of outsiders, and quietly erases prior innovations. If that’s wrong, then prove it the scientific way: publish clear thresholds, run blinded tests, cite origins of methods, and stop substituting status for analysis. I wonder if Alan Day and James Harrod are members of the IFRAO?

What I Was Actually Saying in 2012

When Revelation in Stone went live in 2012, the background noise online was strangely thin. The wikis and popular encyclopaedias weren’t confidently talking about “Palaeolithic elephant art”, and for good reason: it was not proven in any robust, settled way. What I was doing felt different in kind. I wasn’t waving a single curiosity and calling it a masterpiece. I was laying out a small, coherent run of objects from one tight patch of ground, with the same white patina and the same chalkland context, and saying: look at this as an assemblage, not as a one-off. Not only that, I was saying this can be seen world wide, it's much bigger than what I have here.

Some of those pieces were plainly tools first. You could see the working edges, the functional geometry, the scars you expect when a flint has been driven, held, and used. And yet, within that tool language, there were faces, animal forms, and those ambiguous optical flips I’d started calling poly-iconography. Not a hundred “maybe” stones, but at least ten that held their ground under a photograph and still held it when you handled them. That mattered, because a repeated pattern in a consistent group is a different kind of claim than a single pleasing resemblance.

The reaction split fast. A few of the small number of people who were active in figure-stones or portable rock art at the time were immediately hostile. But Ursula Benekindorf stood out because she did what honest workers do: she looked, and she acknowledged that what I had was not random, and that in places it was clearer and more complex than her own finds. That sort of response does not require agreement with every interpretation. It just requires integrity.

What still grates is this: if there really was a paper by “Big Bob Cahunas”, as Richard later insisted, setting out the same ground decades earlier, then why wasn’t it simply put in my hands? Not as a weapon, not as a gotcha, but as basic scholarly decency. Here is the precedent, here is the framework, here are the arguments, now test your material against it. Instead, the implication was that I was reinventing something I should already have known, while no one actually produced the supposed map.

If that paper existed in a form that genuinely matched what I was seeing and publishing, then yes, it could have saved me years of lonely work and the need to build a whole website just to make the case visible. But that is precisely the point: I did build it, because the objects were there, and because the mainstream summaries were not doing the careful, assemblage-level looking that this subject demands. The stones forced the issue. The least others could have done was send the paper and argue from evidence, rather than from insinuation.

FAQ

What is a “bear effigy stone”?

It’s a practical label for the claimed bear-like figure-stones discussed in the “bear tracks” argument, and a useful term for this debate.

Why is the “bear” identification controversial?

Because without fixed, objective criteria, “bear-likeness” is subjective pattern-spotting — and subjective pattern-spotting is exactly what a control test is supposed to guard against.

What’s the core issue raised by Vos?

That Wilson’s own table implies the unmodified/natural set produces “iconography” at a rate that defeats the central claim on Wilson’s own stated terms.

A Peer Review of James Harrod’s Acheulian Art “Religion” Claims

2026-01-09T07:35:00.001+00:00

I’m writing this as a practical peer review of James B. Harrod’s recent monograph, which I’ll refer to as “Acheulian Mode II Art Religious Creativity” (2026 version). He repeatedly uses terms like “decoded” and “deciphered” for an Acheulian semiotic system, and builds a religious interpretation on top of “figuration” in handaxes.

I’ll be blunt: this is an annoying read — not because big ideas scare me, but because it repeatedly skips the hard science step: proving figuration and intent with constraints, controls, and a key that can be tested. Instead it jumps straight to religion — a claim with no facts, no hard evidence, and ultimately no way to prove it. Miss that first step and you can “decode” anything… including a bruise on a banana.

1) The 1988 “unpublished manuscript” problem: where is it?

Harrod repeatedly leans on “Harrod (1988)” as the foundation — he even labels the current monograph as an update of that earlier work, with version notes that include “v6 19 Nov 1988,” while still presenting this as a living, expanding project.

Acheulian_Mode_II_Art_Religious…

Fine. But here’s the problem:

I can’t find a traceable, archived copy of the claimed 1988 manuscript, not a scan, nothing on his website about it, not a library record, not even a stable citation trail (that reeks), not even a “here’s the original PDF.” Yet the entire rhetorical force of “I’ve been saying this for 35 years” depends on that missing document existing in verifiable form.

Acheulian_Mode_II_Art_Religious…

So I’m left with an unavoidable question:

If the 1988 manuscript is the foundation, why is it functionally uncheckable?

And yes, from my perspective, that raises a smell. Not “proof of fabrication,” but enough to justify suspicion and to demand transparency: produce it, prove an archive of it, or stop using it like a trump card, a card that thus far we cant even find an independent archive or citation of.

2) “Decoded” and “deciphered”… without a key

Harrod doesn’t just interpret. He uses language like:

“an Acheulian symbolic system is decoded”
“the Bilzingsleben semiotic system deciphered”

Acheulian_Mode_II_Art_Religious…

Decoded? Deciphered?

With what key?

A decipherment without a published key isn’t a decipherment, it’s an assertion with no demonstration.

What’s offered instead is a long, elaborate interpretive architecture (themes, motifs, meanings), including a table of proposed signs and “animacy themes,” and even a rhetorical reversal of burden (“if you object, substantiate the objection”).

No. That’s not how this works.

If you’re claiming “decoded system,” you publish:

the key (rules),
the constraints (how it can fail),
independent checks (blind scoring, replication, comparative finds and assemblages).

Otherwise you haven’t cracked the code, because you've not shown a key, the lock, or the opened door. (this is what I've been attempting for many years on my blog, demonstrations of the key, lock and open door)

And honestly? If anyone has put a “key” online in this area, it’s me, no I'm not responsible for every motif or combination, but huge breakthroughs and parts are demonstrably mine, archived and visible to all, with charts and a published methodology as an actual framework, not a poetic mood.

3) Before religion: prove you even have figuration

Harrod jumps from “figuration” to “art-religious behavior” with lines like “vague Elephant… head and trunk” — but how about a good elephant? You know: one that’s actually demonstrably sculptured, not something in some random noise that you can talk yourself into after two cups of coffee.

Then it gets upgraded to “ritual deposition… into spring waters” as part of some “multi-thematic art-religious performance.” Honestly, the only two-word combination that can be scientifically verified in that sentence is “spring waters.” Everything else is an interpretive costume.

That’s a ladder of leaps. Because the hard bit isn’t “religion.” The hard bit is the earlier rung:

Is it actually an intentional depiction at all?

Harrod hops over that chasm without even pausing to build a bridge. Why? Because the bridge is the hard science: methodology, constraints, design arguments, probability, pigments/residues, lab tests, typology/topology — the stuff you need before you’re allowed to say anything more than: “I can see a vague elephant.” and that matters immensely.

And when your scoring system includes categories like “Very Vague” and even “Divine,” you’ve baked subjectivity into the method. If “very vague” counts, then everything can count. And if everything can count, you can decode religion out of anything — including a bruise on a banana.

4) Even if it’s an elephant… it doesn’t automatically mean elephant worship

Let’s do the generous thing and say: yes, an Acheulian object depicts an elephant, some do.

That still doesn’t mean “elephant worship.”

“Depiction” could mean:

observation
storytelling
teaching
ornamentation
“because it looks cool”
“because elephants taste nice”
LOOK THERE’S A FEKING ELEPHANT

Religion is not the default explanation. It’s a specific explanation that needs specific constraints to beat all the simpler alternatives.

Why call it religion at all?, when there’s a simpler, evidenced alternative hypothesis that I put on the table back in 2012. In some cases the genuinely sculptured images in some Palaeolithic flint tools have directional qualities — they can be animated to “read” like movement — which fits far better with practical or playful uses: a hunting aid, a teaching prop, or even the Stone Age equivalent of pushing a toy car around and making tracks in sand.

5) The missing citation / missing engagement problem

I don’t pretend to know every author in figurative lithics or “palaeoart.” I’m not claiming I invented the entire field.

But I am saying this:

I’ve been publicly displaying, since at least 2012, an assemblage-level body of work where I argue for recurring motifs, conventions, and a method for separating signal from rubbish — including the logic/probability angle, context, patina consistency, and the “stacking constraints” argument. My method is publicly linked and organised as a science hub.

So when someone in 2026 starts confidently dragging “elephantid head and trunk” on handaxes into the spotlight — and then builds “religious doctrine” on top — while showing no meaningful engagement with the publicly available methodological key… it looks less like scholarship and more like helping yourself to the headline while ignoring the scaffolding.

Ovate Handaxe and the Symbolism of the Egg

2026-01-04T09:13:00.004+00:00

Ovate Handaxes and the Symbolism of the Egg

I’ve spent years turning over white-patinated flint tools from my Southdowns site, tear-drops, ovals, perfect balances of curve and taper. Archaeologists call these “ovate” tools, meaning simply egg-shaped. The term’s meant to be neutral, but when you hold one, the connection to the egg is immediate. It’s not coincidence; it’s deliberate.

Many of these tools hold figurative content, hands, faces, animal profiles, even clear zoomorphic detail. They carry memory, symbol, intention. So it isn’t far-fetched to ask whether the ovate form itself was symbolic, a nod to something familiar and valued in the makers’ world.

A selection of Boxgrove Acheulean Ovate Handaxes (
© The British Museum) note the thin patina of only 500 kbp, compared to my highly patinated white flint finds

The Egg in Stone

In archaeological texts, “ovate” describes geometry, not meaning. Handaxes are praised for symmetry and balance, qualities that, not coincidentally, define an egg.

When a form repeats across vast time, we should ask why. Many Acheulean bifaces could have been less rounded and still functional; they didn’t need symmetry like the egg, yet they have it. Again and again, the same near-egg outline appears, knapped into flint with sculptural care.

And if we accept that some of these pieces already contain figuration (they do, you numb nuts) hands, animals, even faces, then an egg-shaped outline holding meaning isn’t far-fetched; it’s logical, bloody obvious. The egg was a familiar thing: observed, gathered, carried, protected, stored, and eaten. Protein and calcium, simple sustenance that couldn’t possibly go unnoticed.

A Different Kind of Symbolism

In 2012, Portable Rock Art ran a post quoting Jan van Es, who described the egg as a primordial symbol the “cosmic egg”, he called it, containing the germ of creation itself. He even proposed a conceptual journey “from face to Venus,” tracing prehistoric art from self-image to fertility goddess, from person to planet, a kind of prehistoric Big Bang omelette. Give it a few more paragraphs and we’re hatching galaxies, feathered gods floating in the void, and Venus herself stepping daintily out of some celestial yolk, born of a gigantic intergalactic mutant alien space chicken.

Now, I’ve no quarrel with poetry, but I don’t buy into cosmic poultry. I’ve never met a “space chicken,” and I doubt the Acheulean knappers had either. An egg, to them (and to me), is an egg. It’s breakfast, protein, calcium, sustenance, a full belly, and an easy prize if you’re quick with a stick and know where the nests are.

So while van Es saw the egg as a symbol of the universe, I see it as the shape of breakfast. If there’s symbolism here, it’s the sort born of appetite and observation, not cosmology. These flint eggs speak of survival, not of space; they speak of omelettes, not goddesses. They’re reminders of what was gathered, shared, and eaten, the humble miracle that kept life going, not the cosmic one that invented it.

Hidden Figuration and Daily Awareness

Across my assemblage, ovate flints merge the practical and the figurative. Some show clear imagery, a face or a hand emerging from the curve, yet their outer contour remains that steady, rounded outline. I think of it as a fusion of tool and thought. The knapper shaped what worked, but also what felt right in the hand and in the imagination.

In this sense, an ovate handaxe could carry a quiet duality: a usable edge and a symbolic shell. Its form may have reminded its maker of something nourishing, something that sustained life. Repetition of that form, over thousands of years and countless horizons, suggests the association endured.

Mainstream archaeology still prefers to see this shape as a function of physics, efficient flaking and symmetry. But people capable of such precision were also capable of perceiving likeness, rhythm, and meaning. The egg’s form is rounded, whole, containing life, and would have been too present, too vital to ignore.

The Egg as an Egg, Not a Metaphor

My claim is simple: the ovate shape in flint echoes the egg not as a cosmic emblem but as a real and valued object. The prehistoric maker could have chosen many outlines; this one persisted because it resonated both practically and perceptually.

The result is that Acheulean and eolithic “ovates” may be among the earliest examples of symbolic figuration drawn from daily subsistence. They capture, in durable form, a memory of nourishment and renewal, a pattern of recognition running from hand to mind to stone and to belly.

These are not sacred space eggs of creation. They are remembered meals, ideas of gathering, life held in form, the everyday miracle rendered durable, the egg.

Addendum: The Geometry of the Egg and the Handaxe

The Simple Version

It turns out the resemblance between ovate handaxes and eggs isn’t just in the eye.
When you actually measure them (the long axis against the wide) both sit in almost the same geometric range.
Most large bird eggs, the kind you could pick up for a meal, are about one and a half times longer than they are wide.
And most Acheulean handaxes, when you flatten them into their outline, fall into that same 1.3 to 1.6 ratio.

So the shape we keep calling “egg-like” isn’t a metaphor. It’s geometry.
These tools occupy the same mathematical territory as the eggs of ostrich, goose, emu, and rhea, the large, edible ones our ancestors would have known well.

The Numbers

Object	Typical Length (L)	Breadth (B)	L ÷ B (Elongation)
Goose egg	85 mm	60 mm	1.42
Duck egg	75 mm	55 mm	1.36
Ostrich egg	160 mm	125 mm	1.28
Emu egg	130 mm	90 mm	1.44
Rhea egg	130 mm	89 mm	1.46
Acheulean ovate handaxe (typical)	—	—	1.40–1.55
Acheulean elongated handaxe	—	—	1.55–1.65

Shared Geometric Zone:
The typical planar outline ratio of large edible eggs is quantitatively very similar to the typical elongation index of well-made ovate Acheulean handaxes.
This isn’t casual likeness; it’s a measurable, recurring morphometric pattern.

The Science Behind It

In biology, egg shape is described using elongation (length divided by breadth) and asymmetry (how far the widest point is from the middle).
Across almost every bird species, elongation values cluster around 1.3–1.5, except for cliff-nesting types that make deliberately pointed eggs.
That same range defines the “ovate” class of Acheulean handaxes, as measured by geometric morphometrics, the statistical comparison of outline shapes.

In 2021, biologists formalised the universal egg equation (the Hügelschäffer model), which mathematically defines the egg’s profile using four parameters: total length, maximum breadth, offset of breadth, and diameter at one-quarter length.
When archaeologists use morphometric models on handaxes, they use the same logic: measuring outline curvature, breadth position, and symmetry.
And when you place the two datasets together, they overlap.

Mathematically, that means the outline of a goose egg and a Boxgrove ovate handaxe occupy the same area of shape space, the coordinate system used to measure geometry independent of scale.

That’s not artful coincidence; it’s a physical correspondence between the geometry of sustenance and the geometry of manufacture.

You can hardly see the goose egg here, because the Boxgrove ovate follows it exactly.

The Takeaway

When I say these tools might represent eggs, I mean just that. The shape itself says egg, not as decoration, but as recognition. It’s the outline of something known, gathered, eaten. A message made of geometry.

They weren’t carving obscure cryptic symbols; they were repeating a form that already meant survival. The ovate axe doesn’t hint at the egg, it states it. The egg, made in stone. The meal, made permanent.

Portable Rock Art Database at Eoliths.org

2026-01-02T09:17:00.006+00:00

A New Way to Explore the Collection

I’ve added something new to the Eoliths site that I’m genuinely pleased with, a proper visual database for the artefacts.

You can find it here: https://eoliths.org/gallery.html

It’s a gallery in the simple sense, but it works much harder than that. Think of it as a living catalogue of my Southdowns assemblage, with room for finds from other locations and other people’s finds as well. It’s searchable, filterable, and easy to use. You can look up individual objects, compare examples, or narrow things down by subject and type. For example : Flint tools, Portable Rock Art, Ovates, Elephants, Bears, the lot......

The above find is a lucky 'golden-gravel' find, and goes straight to the core of what I have been banging on about since 2011. An obvious artistic impression of an elephant front half, with an ape like face frontal. This is a world wide combination, and is likely millions of years in age.

If you want to see only the elephant-like figurations, you can. Or maybe you’re interested just in the classic tool forms, choppers, scrapers, ovates, from the Southdowns site. The tag filters make that possible with a click. It’s designed for anyone who wants to dig deeper, from researchers to collectors who simply want to look closely. Click two tags, scraper and elephant for example, and only flint tool scrapers with suspected elephant iconography will be shown.

Many artefacts carry an ID number. If a stone is marked as “0001,” for instance, you can type that into the search box and the database will show every photograph of that piece: five or six views, different angles, different light. The aim is to let you study each object as if you were turning it in your hands.

The system also supports video and GIF formats. The clips are full quality, sharper and more detailed than what you’d normally see on the big video platforms. They show the fine texture, the flake edges, the way the patina catches the light. That sort of detail can be the difference between speculation and real understanding.

For me this is a research tool first and foremost, but it’s also a way to share the material more freely. The plan is to keep adding to it, steadily, until it represents not just my Southdowns work but a much wider record of portable rock art and ancient flint technology from wherever it may appear.

The database will grow with the project, piece by piece. My hope is that it becomes a reliable, searchable record, not just a gallery to browse, but something that helps map how these early forms, and the ideas behind them, are connected.

Take a look and see what you think: https://eoliths.org/gallery.html

Flint Flake Mechanics: Stacked Constraints and the Probability of Agency

2025-12-17T20:46:00.008+00:00

There’s a lazy, unscientific word that gets thrown at anything awkward in lithics: natural.

As if a flake scar is just a scratch, a random thing that just happens.
As if flint “just does that.”

Flint: the material that makes controlled fracture possible

Flint isn’t “just rock.” It’s a precise material, and its behaviour is the reason stone tool technology exists at all.

Most flint across southern England lies in nodules and bands within the Upper Cretaceous Chalk, formed in warm seas roughly 145 to 66 million years ago. The chalk began as soft carbonate ooze rich in marine life. The silica that becomes flint came from those organisms, later drawn into nodules and seams we now dig from the Downs.

Flint is a type of chert, microcrystalline silica, hard (6.5 to 7 on Mohs) and capable of breaking with a clean conchoidal fracture. That’s what makes it useful: it can be shaped predictably.

That combination is everything.

Flint is brittle, yes, but not chaotic. Under the right conditions, platform geometry, exterior angles, support, force direction, energy travels through it in a controlled way. That predictability is what makes clean scars and sharp edges possible.

And predictability cuts both ways.
If a fracture depends on conditions, then repeated, condition-dependent results are evidence.

A true flake removal isn’t a random scratch. It’s a mechanical event with requirements. Once you understand those requirements, the “accident” argument stops being the default when you see the same removals, repeated, in relationship.

I call this stacked constraints.
It’s the simplest way to show why agency becomes the most reasonable interpretation once the evidence piles up.

This builds on two earlier posts: Eoliths are Natural? Not on Your Nelly and Eoliths and Evidence of Cognition.

1. A flake removal is an event with requirements

Flint breaks conchoidally and that’s why it works. By “works” I mean “can be controlled.” A skilled knapper is forcing a fracture to travel exactly where they want it, predictability and control are the keys here.

For a clean removal to happen, several conditions must align:
• A platform or platform-like edge
• A workable exterior angle
• Sufficient force in the correct range
• Direction of force that drives energy through the core, not across it
• Support, so the edge doesn’t crush
• A fracture that propagates cleanly

That’s already a lot. Get one wrong and you don’t get a flake, you get shatter, a scratch, or nothing.

So when someone says a fall/bird/wave/elephant did it (an entirely invented natural event with no supporting evidence), they’re not making a small claim. They’re saying all those variables aligned by chance. Possible, yes. Probable, no, especially not twice in a row.

2. “Like removals” aren’t one variable

“Like” doesn’t mean “looks vaguely similar.” It means the removals share structure:

• Same directionality
• Similar initiation, controlled, not chaotic
• Comparable scar surface, smooth negatives, not jagged snaps
• Consistent edge geometry, size, depth, apparent force applied
• Logical terminations (feather, hinge, step)

Define these ahead of time, then test consistently. Because a flake scar isn’t one variable it’s a stack of constraints landing inside narrow working windows.

3. Stacked constraints: why repetition matters

Critics love the single-feature view:
“That scar could be natural.”
“That edge could be random.”
“That nick could be trampling.”

But an object isn’t one feature, it's a collection of features, It’s a system.

When two or more like removals sit together, the chance claim isn’t “it happened twice.” It’s that the same physical conditions aligned twice in the same zone and produced coherent, related results. Think about this for a loose flint sitting on the surface of some soft soil.

Think of it as rolling several dice (not d6's, more like d100's) but only a tiny set of outcomes counts as “success.” One perfect roll? Maybe luck. Two in sequence, right beside each other, behaving as stages? That’s no longer casual coincidence. And we have so many variables to consider, many dice, with many sides, and only very small windows of success, and they happen again and again.

That’s what stacked constraints means. Not mathematics, just fracture mechanics applied with common sense.

4. Why long, clean, near-parallel margins matter

Anyone who has ever knapped knows this:
A long scar is hard enough.
A long scar with margins that stay nearly parallel is harder still.

It demands control, platform prep, angle, force, follow-through. It’s not the outcome of trampling, frost, or gravel rolls. When it appears inside a structured pattern, it’s evidence.

Upper Miocene Aurillac flake (Tortonian “Hipparion sands”, ~7 million years old).
A classic blade-like detachment from fluviatile sands at Aurillac, showing a clear striking platform, a pronounced bulb of percussion, and the small “chip-on-the-bulb” éraillure (bulbar) scar immediately beneath the platform. Together these are diagnostic of a controlled conchoidal flake event, not a random snap. Note how the platform edge, éraillure scar margin, and the long scar margins echo one another in near-parallel alignment: stacked constraints in miniature. The overall geometry reads like prepared-core logic (Levallois-like), with a preferential removal producing a long, coherent flake form.

That long central removal isn’t a random mark. It’s a signature event, part of a surface that reads as staged rather than shattered. It may also be a ridge/arrís defined by two parallel removals on either side, but in either case the near-parallel margins and directional coherence point to controlled flake events within a staged reduction surface, not chaotic breakage.

5. Prepared-core logic: stages, not accidents

Some pieces behave like sequences:
• One surface sets up another
• A base or back is established
• A main removal reads as a decisive strike
• Later removals refine form

That’s reduction, not random fracture.
Natural processes break flint, but they don’t reliably prepare it.

This is what I mean by “prepared-core logic.” It’s not about using the word Levallois. It’s about recognising preparation, coherence, and structure.

Show that geometry, removals, and outcomes all make sense together, and that’s enough.

6. Retouch: the difference between broken and engineered

Retouch isn’t magic, and it isn’t just “maintenance.” It is edge engineering.

A fresh flake can be sharp by accident. But a sharpened edge-line created by repeated small removals is something else entirely. Retouch reduces and shapes a margin to produce a controlled working edge: a blade-like bevel, a scraping edge, a serrated line, or a strengthened cutting margin.

Natural damage tends to be scattered and opportunistic. It hits wherever the stone is weak or exposed, and it rarely sustains a consistent working line. Retouch, by contrast, clusters along a usable edge and repeats in a deliberate band.

• Unilateral (dominant on one side of the tool)
• Directional (chips marching along a margin in the same sense)
• Overlapping (later removals partially remove earlier ones)
• Consistent edge geometry, size, depth, apparent force applied
• Edge-specific (confined to a selected working edge while other edges are left alone)

That last point matters. If “nature did it,” why does the damage repeatedly select one working edge and one side of the stone, and why does it express as a coherent retouch band rather than random battering all over the perimeter?

Overlapping retouch is especially telling. It isn’t a single accident. It implies a sequence of removals, each one conditioned by the last, progressively refining the edge. That is exactly what purposeful knapping looks like.

If a piece has coherent form and one margin shows repeated, overlapping micro-removals forming a sharpened or serrated edge-line, the “natural” story doesn’t merely weaken, it becomes an increasingly moronic suggestion.

Large rectilinear-edged scraper from Boncelles (Ourthe Valley, Liège, Belgium; Oligocene basal cailloutis, “Fagnien industry”, ~23–30 Ma).
A grand scraper defined by a long, straight working margin. Along one edge a tight band of repeated, retouch scars occurs only on one face, creating a unilateral, steep bevelled blade/scraper edge. The removals overlap and march along a single selected margin rather than scattering around the perimeter, the signature of deliberate edge reduction and sharpening, not random breakage.

7. Image shaping: mechanics first, image last

Here’s the word that always arrives: pareidolia.

Yes, people see faces. That’s normal. But in worked flint, those “eyes” and “mouths” are usually flake scars, mechanical features.

So the sequence should be:

Establish agency by fracture mechanics.
Establish structure, do the removals behave as stages?
Only then ask if the resulting form carries image.

If 1 and 2 are true, then image isn’t fantasy. It’s the outcome of deliberate working.

Once humans are accepted as image-makers, the presence of image is no more shocking than finding words in a book. You don’t call letters pareidolia once you know writing exists.

But mechanics must come first. Image last.

Upper Miocene Aurillac flake (Tortonian “Hipparion sands”, Aurillac, Cantal, France; ~7 million years old).
To my eye the overall outline resembles a crocodilian head profile but I treat that as secondary: the image becomes meaningful only after it is supported by fracture evidence, and in that sense the diagnostic, agency-consistent fracture features are not separate from the “creature” at all, they are the mechanics that define the essence of the interpreted form.

8. Where the “natural” claim collapses

Flint breaks. Everyone knows that, but nobody ever sees it happening naturally.
What it doesn’t do, by routine chance, is produce repeated coherent organisational like removals, directional consistency, staged surfaces, clean long scars, maintained edges.

A single scar might be accident.
A repeated, structured sequence is not.

And there’s another problem for the ‘natural’ story: time!

On many pieces the patina does not read like a million years of random damage accumulating gradually. It reads like this: nothing happens for an age, then multiple removals occur within one coherent episode, then nothing significant happens again until the present day. The scars “belong together” in time as well as in form.

That is why the easy dismissal fails. Because ‘natural’ must explain all of it at once:

• a stack of mechanical constraints landing correctly
• again and again
• in the same local working zone
• producing coherent form and sequence
• and often with patina consistency suggesting a single phase of activity rather than a slow drip of unrelated accidents

That’s why the ‘natural’ dismissal fails. Because it must explain a stack of constraints landing correctly, again and again, on one object, at one time, producing coherent form.

At some point, the claim of ‘natural’ stops being a conclusion and becomes an excuse, one that’s never explained and can’t be evidenced.

FAQ: Flint Flake Mechanics and Agency

What are stacked constraints in flint analysis?
Stacked constraints are the multiple physical requirements that must align for a clean flake removal to happen. When those same conditions repeat in close proximity, it becomes strong evidence of intention rather than accident.

How does flint demonstrate agency in prehistoric toolmaking?
Flint records the mechanics of every strike. Controlled removals, clean margins, and staged surfaces show decision-making and predictability, traits linked to human agency rather than natural forces.

Why is repetition important in identifying artefacts?
Repetition of like removals under similar conditions is statistically unlikely to occur by chance. It shows the same physical constraints being met again, suggesting deliberate technique.

What distinguishes retouch from natural damage?
Retouch appears as repeated, overlapping removals along one working edge, forming a sharpened or serrated line. Natural damage is scattered and irregular, with no consistent direction.

Why does the “natural” explanation often fail?
Because it would require many variables aligning repeatedly to produce organised results. Once multiple like features appear together in logical sequence, chance becomes the less reasonable claim.

The Eolith Atlas – A Visual Database of Classic “Dawn Stone” Finds

2025-11-28T22:17:00.002+00:00

The Eolith Atlas – A Visual Database of Classic “Dawn Stone” Finds

Screenshot detail from the Eolith Atlas – classic plates, modern search tools.

For a long time the word “eolith” has been used as a punchline. In most modern summaries the story runs: “early antiquarians mistook natural flints for tools, the problem was solved, we moved on”. In reality the historical record is more complicated – with careful plates, stratigraphic sections, maps, and a large number of objects that look at least as “tool-like” as much of the accepted early Palaeolithic material.

To make this material easier to see and discuss, I’ve been building a small side project: the Eolith Atlas – a searchable visual database of classic eolith and early stone tool claims from the older literature, with direct links back to the original books and papers.

Visit the Atlas: https://eoliths.org/atlas/atlas.html

What the Eolith Atlas Actually Is

The Atlas is a simple, static web page that brings together a growing number of plates and figures from classic works – Brandt, Rutot, Osborn, Wright and others – that illustrate:

Classic “eolith” series from Tertiary deposits (Paleocene, Eocene, Oligocene, Miocene).
Early or “out of place” stone tools from the early Pleistocene.
Key stratigraphic sections and site diagrams that frame the finds.

Each entry in the database has:

A thumbnail image of the object or plate.
The site name, region, and continent.
The geological epoch (Paleocene, Eocene, Oligocene, Miocene, Pleistocene) and an approximate age range.
A short 1–3 sentence description of what the figure shows and why it was documented.
Tags for quick filtering (e.g. Boncelles, Aurillac, Belle-Assise, Kent plateau, eoliths, nose scraper).
A link back to the original PDF (book or article) so you can read the source in context.

You can search by site, author, tool type, or keyword, and filter by continent and epoch. Clicking a thumbnail opens a larger version of the image so you can inspect flake scars, edges and sections without hunting through hundreds of pages of scans. I will also be updating the database with more ancient lost books from those original antiquarians, and will also add figurative search criteria, for flint tool finds in the eolith database with suspected creature likenesses.

Why This Is Useful – Even If You Think Eoliths Are Geofacts

You do not have to agree that any given specimen is a worked tool to find the Atlas useful. In some ways, sceptical archaeologists and lithics specialists have the most to gain from a clear visual index of the old plates.

If you believe eoliths are natural:

You can quickly find the classic examples and then point at them pretending they don't look like tools for whatever reason.
You can point to specific plates and sections in discussion, instead of relying on vague summaries, and try to invent natural excuses for the tool like shapes and worked features.
You can test your own criteria: are the differences between “eolith” ovates and accepted ovate handaxes as clear as we sometimes assume?
You could meticulously search the database for something that does not look much like a tool, and has no obvious tool like design features, and declare that all eoliths are a product of nature.

If you think at least some of these objects might be worked:

You can see how different sites and authors repeat similar forms and edge-patterns.
You can group finds by epoch or site and look for assemblage-level patterns (not just one odd flake).
You can point out numerous edge working, blade retouch examples, on flint tools that are no different to any others, apart from there too old, and deceivers don't want you to see them.
You have a starting dataset for asking harder questions about patina continuity, context and cognition.
Congratulations you're not a complete f#%&ing moron.

In both cases, the aim is the same: less hand-waving, more looking.

How to Use the Atlas

Go to https://eoliths.org/atlas/atlas.html.
Start with the search box – try a site name such as “Aurillac”, “Boncelles” or “Kent”.
Use the epoch filter to focus on Paleocene, Eocene, Oligocene, Miocene or early Pleistocene material.
Click a card to enlarge the image and read the short description and source details.
Follow the “View source PDF” link if you want to examine the original plates, sections and text in full.

The interface is intentionally simple. It runs as a single HTML page with a JSON data file behind it, so it should be easy to maintain, extend and copy for other projects if needed.

Frequently Asked Questions

Is the Atlas claiming that all eoliths are real tools?

No. The Atlas is first and foremost a documentation project. It gathers historical finds, basic context and images in one place. I have my own views – including a published piece on patina continuity and cognition in flint – but the Atlas itself is neutral in the sense that it does not mark entries “tool” or “geofact”.

Are any of the entries accepted tools?

Yes. The database includes forms that are widely regarded as tools – for example some early Palaeolithic material and well-established industries – as well as controversial Tertiary finds. This helps highlight the similarities and differences people often talk about in the abstract.

Can the Atlas be wrong?

Of course. Early versions may mis-label epochs, get age ranges slightly off, or miss important secondary literature. The advantage of keeping everything in a single JSON file is that entries can be corrected and updated as better information comes in. This is very much a work in progress.

Can the dataset grow?

Yes. The structure is designed to be expandable. New books, plates, sites and sections can be added as further sources are mined. Over time the Atlas can grow into a more comprehensive reference for anyone interested in the history of eolith research and very early stone tool claims.

Can I use the Atlas in teaching or research?

That’s exactly the idea. If you want to use screenshots or specific entries in a lecture, seminar or article, please do – ideally with a link back to the Atlas and the original source. The more people actually look at the primary material, the better the debate can be.

Why I Built This

There is a lot of emotion around eoliths. Some people dismiss them with a single sentence; others treat them as proof of extreme antiquity for humans (or near-humans). In between sits a neglected middle ground: the actual stones, drawings, stratigraphy and maps produced by serious observers more than a century ago.

The Eolith Atlas is my contribution to that middle ground. It is not the final word on anything – but it does make it harder for anyone on either side to claim “there’s nothing to see”.

Explore the project: Eolith & Tertiary Tools Atlas

World’s Oldest Stone Tools — Not Out of Africa, but Here in the U.K. on the Southdowns

2025-11-20T13:01:00.013+00:00

World’s Oldest Stone Tools — Not Out of Africa, but Here in the U.K. on the Southdowns

These Eolith finds found in Tertiary Layers are clearly Tools. The ovate (top left, centre) Has a nice ape like face frontal and the find just below and right has an excellent ape face head profile (left facing)

My ongoing research into flint tools, eoliths, and prehistoric art from my Southdowns site reveals something extraordinary, not just another chapter in early human technology, but technological advances usually linked to tens of thousands of years ago, found in finds likely millions of years old.

So are these really the oldest stone tools in the world? Probably not. They may be among the oldest, but what my site really shows are strong parallels between the Southdowns finds and both the earliest accepted stone tools globally and the ones that are not accepted, but quite frankly should be, the eoliths.

Further Reading on Find Typology:

All of these studies show deliberate design and advanced cognition. They represent not chance, but method and together provide clear evidence of the diverse find types and technologies from my Southdowns site.

A Deeper Understanding of the Technologies

Fire-making: Hematite and flint combinations showing spark wear and red ochre staining, so proof of ignition technology possibly millions of years before accepted timelines.
Tanning and leatherwork: Unifacial scrapers with polished edges, clearly used for hide processing. Tools that exactly match known leather working finds.
Cordage and hafting: Abrasion marks and residue suggesting rope or resin adhesives, that's clear evidence of binding and tool hafting, tear drop weights, logical evidence of cordage use.
Chemical knowledge: Tar-like residues and spectroscopy results showing recipes and compound use, which is evidence of early chemistry.
Mining and extraction: Dense clusters of tabular flint, fossils, and hematite nodules show deliberate quarrying and collection, which suggests civilization and true industrial activity.
Symbolic art and language: Faces, animals, and figurative motifs deliberately incorporated into tool design, likely a visual communication system and art.
Representation of clothed humans: Figurative depictions showing humans in garments and even swaddled infants, suggesting a sophistication far beyond what prehistory allows.

The Oldest Logic - Human Thought in Stone

The Southdowns assemblage captures the entire span of early technology from Oldowan style choppers and Eolithic unifaces, to Acheulean ovates and artistic scrapers. The unifacial forms echo those dismissed finds by 19th-century antiquarians “eoliths” the very tools modern archaeology refuses to accept. Yet here they are again, repeating across continents and epochs. Not the crude nodules they show you on Wikipedia, but the actual obvious tools that those antiquarians found. Coincidence? Or proof of a deeper continuity of ancestral design, passed through time? but not across species?

What the Evidence Says

The evidence is overwhelming: this was not a campsite or random scatter, but a vast centre of extraction, production, and creativity. The concentration of hammerstones, anvils, hematite's, echinoids, and plate flint, the residues of pigment, and the clustered debris of working hollows all speak to industrial-scale activity and true prehistoric mining. Add to this the artistic elements, and we are no longer looking at “primitive” behaviour, but a civilisation in miniature, a people who are intelligent, observant, artistic, and scientific, working together.

The Implications

If this site is what it appears to be, it changes everything. The Southdowns show that intelligence, planning, and artistry did not begin 50,000 years ago, nor even 500,000 but millions of years earlier. The same logic, geometry, and symbolism found in Africa’s Oldowan toolkits are mirrored here in Britain. These are not anomalies; they are proof of an unbroken legacy, a design tradition that connects continents and time itself.

These finds prove that the world’s earliest artists and engineers walked here, on the Downs, shaping not only stone but the story of what it means to be human.

FAQ

Are these tools really millions of years old?
Yes. Their geological context, mineral patina, and technological form align with the world’s earliest Oldowan and Eolithic artefacts. Every indicator — from morphology to mineralisation — supports immense antiquity.

Is this evidence proven?
All available evidence supports deliberate manufacture: percussive scars, symmetry, wear, and organisation of finds in extraction zones. The parallels with dated Oldowan examples are too close to dismiss.

Could this all be natural geology?
No. Repetition, tool symmetry, and residue analysis rule out coincidence. The sheer density and consistency of forms confirm intentional human activity.

Does this challenge the “Out of Africa” model?
It broadens it. These finds show that innovation and intelligence were global, not confined to one origin point. The “Out of Africa” model cannot explain the identical technologies and motifs found independently across continents millions of years apart.

Dating Flint Artifacts with Patina

2025-10-07T13:51:00.005+01:00

New & updated research hubs:

Dating Flint Artifacts with Patina: A Practical Guide

(Thickness–Time Chart)

Dating Flint Artifacts with Patina: The Bounded Method for Estimating Age

Summary: Patina on flint forms mainly through hydration and related chemical weathering. Water and dissolved ions slowly penetrate micro-fractures and silica matrices, creating a surface layer that increases in thickness over time. Under suitable, stable conditions this layer can serve as a relative or bounded estimator of age for flint artifacts. Below, I share my compiled thickness–time chart so researchers and collectors can estimate lower/upper limits by measuring patina in micrometres (µm). A full paper with methods and datasets is in preparation.

In Practical use this chart demonstrates a very likely age range in millions of years for some of my artifacts, this aligns with artifact type and geology at the site.

How to use the chart

Prepare a clean cross-section: Use a naturally broken edge or carefully create a tiny micro-flake from an already damaged area. Avoid fresh grinding that could alter the surface.
Measure patina thickness (µm): Use a digital microscope (≥200–400×) or a measuring eyepiece. Take multiple measurements along the section and record the mean ± range.
Compare to the chart: Locate the measured thickness on the Y-axis and read the corresponding time band (lower/upper bounds) on the X-axis.
Record context: Note sediment, drainage, pH, burial depth, temperature regime, and any heat exposure—these factors shift growth rates.

Figure 1. Patina/varnish thickness on flint vs. age with diffusion-law intervals.—Measured alteration-layer thickness $x$ (µm) is plotted against age $t$ (years BP) for artefacts with quantified rinds and secure chronology; overlaid are three rate intervals derived from the empirical distribution of $k_{i} = x_{i}^{2} / t_{i}$ : lower (0.20 quantile), median (0.50), and upper (0.80), assuming $x (t) = \sqrt{k t}$ . Axes: $t$ spans $10^{0} ⁣ - ⁣ 10^{7}$ years (rendered linearly in the data file, readily interpretable on log- $t$ ); $x$ is expressed in microns. The coefficient $k$ is reported in $μ m^{2} / k a$ for convenience. Observations plotting outside the intervals indicate comparatively inhibited or accelerated alteration; accompanying colour and geology fields enable a priori stratification without modifying the $\sqrt{t}$ kinetics.
Patina thickness vs time in flint Use as a practical lower/upper-bound guide.

What patina on flint is (in brief)

Hydration front: Water ingress and ion exchange produce a chemically altered rind (often opaque/whitened or coloured) along micro-cracks and flake scars.
Surface chemistry: Leaching, carbonate/silicate precipitation, iron/manganese staining, and micro-pitting contribute to the layer’s appearance and measurable thickness.
Why it helps: In stable environments, rind thickness tends to increase with time, offering a usable, if bounded, age proxy.

Important limitations

Environment matters: Moisture availability, temperature, soil chemistry (pH, carbonates, iron), and burial history strongly affect rates.
Heating resets: Fire exposure can thin/alter the rind. Post-depositional damage can expose fresh surfaces with young patina.
Calibration is local: The chart provides bounds, not single-year precision. Best practice is to calibrate with regional comparanda (e.g., stratified sites, known-age artifacts).

Method notes

My chart aggregates measurements from multiple assemblages and contexts, focusing on clearly stratified finds and surfaces with diagnostic stability markers (e.g., continuous patina across adjacent flake scars, consistent iron staining, no thermal spalling). For contested pieces, combine the thickness estimate with typology, refitting, patina continuity across scars, and site context.

FAQ

Can patina thickness date flint precisely?
No—use it for relative dating and bounded ranges. Precision depends on local calibration and environmental stability.

What’s the best way to measure the rind?
High-magnification imaging with a calibrated scale. Take several measurements; report mean and range. Avoid altered/sooted/heat-affected zones.

How is this different from obsidian hydration dating?
Similar principle (hydration front growth) but different material behavior. Flint/chert require local calibration and careful taphonomic screening.

Does thick patina always mean older?
Usually, but not always. High humidity, alkaline soils, or iron-rich environments can accelerate formation; arid, acidic, or disturbed contexts slow or reset it.

Related reading:

Eoliths and Flint Tools | Revelation in Stone Ep.2 Part 3

2025-10-04T22:04:00.014+01:00

Eoliths and Flint Tools | Revelation in Stone Ep.2 Part 3

Large tools/eolith assemblages, recognisable typologies, figurative motifs, and a clear walkthrough of the historical eolith controversy—with new material from a South Downs site lying directly over 66-MYO Cretaceous chalk.

Open on YouTube

Assemblage & Typologies

As shown in the video, this set focuses on larger implements—hand axes, ovates, bifaces—arranged into typologies. The variety is clear: Acheulean-style ovates and hand axes, unifacially worked pieces, plate-flint artifacts, and Oldowan-like choppers and flakes. What appears here is only a small sample; the full assemblage is substantially larger.

Geological Context: Thin Soil Over 66-MYO Chalk

The tools are consistently recovered at the interface between a very thin soil horizon and the Cretaceous chalk beneath—chalk deposited ~66 million years ago. Across the ridge, the soil can be less than 30 cm; in uprooted trees and animal burrows the flints often lie directly on the chalk surface. A few pieces were pulled from apparently undisturbed chalk faces, likely sealed by subsidence or slope movement. Evidence of historic chalk extraction on the ridge may also have re-exposed artifacts.

In other words: the geology plus the thick white patina on many pieces point to great antiquity—not thousands, but millions of years in age.

The thin soil layer containing the artifacts, and the 66 MYA chalk layer can be seen beneath it.

Historical Eoliths: Sites & Researchers

These forms echo classic reports of eoliths in Europe:

Thenay, France — Abbé Louis Bourgeois: flaked flints sealed under Lower Miocene horizons; bulbs, platforms, and single-edge retouch reported.
Aurillac (Puy Courny), France — Charles Tardy: Upper Miocene river sands with flakes showing dorsal-only retouch and classic flake morphology.
Boncelles, Belgium — Aimé Rutot: hundreds of Oligocene flints; many with unifacial retouch, notches, borers; bulbs/platforms frequent.
Belle-Assise (Clermont), France — Henri Breuil: Paleocene pebble beds with tool-like flints; even critics conceded the pieces looked like artifacts.
Kent Plateau, England — Benjamin Harrison: high-level gravels with unifacially retouched flints; the “eolith” label first took hold here.

“They were dismissed not because they looked unworked, but because their ages seemed impossible. The conflict was with the timeline, not the technology.”

Motifs & Plate Flint

Several plate-flint pieces combine tool function with striking visual motifs. In some cases, controlled percussive blows align conchoidal ripple-marks to produce texture—e.g., a flowing mane in a horse-head profile. On reverses, eyes are picked out by dark mineral deposits common at the site. This demonstrates forethought in blow direction, force, and platform angles, using fracture dynamics as a graphic medium.

Plate-flint “horse head” — ripple alignment as deliberate texture.

Context: at Boxgrove (MIS 13, ~480–500 ka), faunal remains with cut-marks show horse butchery, making equine motifs culturally plausible in this landscape.

This Is an assemblage of likely mined and partially worked flint plate or Tabular Flint from my site on the South Downs. Most of these work perfectly as hand axes.

Figure Stones: Portable Rock Art & Prehistoric Faces

Portable Rock Art: Ancient Carvings & Symbolic Stones

FAQ

Do “eoliths” automatically mean extreme antiquity?
No single feature proves age. Here the case combines context (soil–chalk interface over 66-MYO chalk), patina (thick white patina on many pieces), and technology (bulbs, platforms, unifacial retouch) to argue deep time.

Did Oldowan toolmakers use anvils?
Yes. Oldowan sites document passive anvils with hammerstones (including bipolar percussion), a deep-time precedent for flat working surfaces and slab/plate reduction strategies.

Isn’t the eolith literature controversial?
Historically, yes. Many 19th–20th-century finds were dismissed as geofacts because their ages conflicted with accepted timelines. The technological features, however, remain worth re-examining alongside newer evidence.

Support & Subscribe

If you found this useful, please watch on YouTube, like, comment and subscribe — your support enables further fieldwork, imaging, and analysis.

Portable Rock Art: Ancient Carvings & Symbolic Stones

2025-09-15T20:28:00.003+01:00

Portable Rock Art, Ancient Faces.

Portable Rock Art: Ancient Carvings & Symbolic Stones

Portable Rock Art is a broad term for stones and flint tools small enough to be carried and bearing symbolic or artistic modifications. Unlike fixed petroglyphs or cave paintings, portable rock art can be moved, collected, or traded—offering insights into prehistoric cognition, symbolism, and communication.

Definition

Portable Rock Art includes:

Unmodified or minimally modified stones selected for meaningful natural forms or surface markings.
Flint tools or nodules bearing carved/retouched images, pigments, or engraved lines.
Composite pieces combining multiple motifs—animals, faces, hand/foot outlines—into anamorphic illusions.

This category encompasses Figure Stones, Eoliths with symbolic markings, and other lithic artifacts showing artistic intent. It spans from the Lower Palaeolithic through the Mesolithic and later periods.

Symbolism and Function

Portable rock art shows prehistoric peoples were not only toolmakers but also symbol-makers. Motifs could serve ritual, communicative, mnemonic, or teaching roles; their portability suggests personal use and exchange.

Key Characteristics

Found worldwide, from river gravels to cave deposits.
Motifs repeat across regions, indicating shared conventions.
Patina continuity on worked and unworked surfaces suggests great age.
Frequent use of optical illusion and anamorphic composition.

Why It Matters

Portable pieces bridge utilitarian tools and immovable art, showing symbolic thinking evolving alongside toolmaking and extending timelines for complex cognition and culture.

FAQ

Is portable rock art real?
Yes—though often dismissed as pareidolia, repeated motifs, tool marks, and patina across assemblages show deliberate shaping. Authentic finds are typically associated with matching flint tools.

How old is portable rock art?
It spans the Palaeolithic (tens of thousands of years) and may be far older; famous examples like the Makapansgat pebble are ~3 million years old, depending on context and patina depth.

How can you tell if a stone is real portable rock art?
Look for repeated motifs (faces, animals, hands), flake removals to create features, engraved lines, pigments, typological matches with local tools, and—crucially—assemblages of similar artifacts.

What materials were used?
Flint and chert are most common, but sandstone, quartzite, and other durable stones were also shaped, engraved, or selected.

What subjects appear?
Human faces/figures; animals (mammoths, elephants, horses, apes, whales/seals); hand and foot motifs; and geometric or symbolic shapes.

What’s the difference between a figure stone and portable rock art?
A figure stone is chosen or shaped to resemble a creature or form, while portable rock art can also include engraved or painted surfaces. The categories overlap.

How do archaeologists date portable rock art?
By stratigraphy, patina thickness, nearby tool horizons, and sometimes pigment analysis. Dating is challenging but more reliable when applied to full assemblages.

Is portable rock art valuable?
Scientifically, highly valuable; financially, rarely traded—provenance and authenticity matter more than price. Avoid websites peddling portable rock art by claiming your rock is “valuable,” then pushing you to share it on social media.

Where is it found?
Worldwide—Europe, Africa, the Americas, and Asia—with particularly rich finds reported in the UK, France, and Spain.

Why isn’t it more widely accepted?
Ambiguous finds are often judged natural, and scholars are wary of subjectivity. Without large assemblages and testing, many claims remain controversial.

Is it just pareidolia?
Some is—but genuine examples show intentional flaking or engraving added to natural forms. Prehistoric makers often refined natural shapes to produce recognizable figures.

Figure Stones: Portable Rock Art & Prehistoric Faces

2025-09-15T18:53:00.003+01:00

A Collection of Figure Stones with Apes and Elephants

Figure Stones: Portable Rock Art & Flint Tools

Figure Stones (also “Figure-Stones” or French Pierre’s figures) are a category of portable rock art—stones, flint nodules, and even functional tools intentionally chosen or subtly modified to depict animals, human faces, or symbolic forms. Many bear glyph-like motifs (sometimes called Eoglyphs, “dawn glyphs” found in Eoliths) that may represent one of the earliest known systems of nonverbal communication.

Definition

A Figure Stone can range from:

Barely modified flint nodules with only tiny flake removals or pigment traces;
Functional flint tools—handaxes, scrapers, blades—bearing carved or retouched images;
Highly complex artworks with multiple animals cleverly worked together into ambiguous or anamorphic illusions.

In all cases, the defining feature is an image or glyph perceived and emphasised by humans—faces, animals, hands, or abstract symbols—often repeated across a site and showing continuity from the Lower Palaeolithic and possibly into the Mesolithic periods.

Optical Illusions and Anamorphic Art

Many figure stones display complex ambiguous imagery: front halves of creatures, head profiles, entire side views, hands, feet, and finger motifs blended in a single piece. This indicates a shared artistic convention among prehistoric peoples and suggests these objects had functions beyond mere decoration—possibly ritual, communicative, or mnemonic, or as I've long suggested, a kind of hunting aid.

Key Characteristics of Figure Stones

Natural form enhanced by flake removals, grooves, pigment traces, or polishing.
Motifs repeated across a site (faces, animals, hybrid forms).
Patina continuity over worked and unworked surfaces indicating great age.
Use of ambiguous optical illusion and anamorphic composition.

Why Figure Stones Matter

They bridge the gap between utilitarian stone tools and symbolic artifacts, showing that early humans were capable of complex visual thinking and layered representation. They hint at cognitive and cultural sophistication long before cave paintings and may represent one of humanity’s first attempts at shared symbolic language.

FAQ

What are Figure Stones?
Stones, flint nodules, or functional flint tools intentionally selected or subtly modified to depict animals, human faces, hands, or symbolic forms—ranging from minimal modifications to highly complex anamorphic artworks.
Can a flint tool be a Figure Stone?
Yes. Many handaxes, scrapers, and blades from the Lower Palaeolithic and later periods carry carved or retouched images, making them both tools and portable rock art.
How can I identify a Figure Stone?
Look for repeated motifs such as faces or animals, subtle retouching or grooves to emphasise features, and patina continuity across worked and unworked areas. Complex pieces may blend multiple animals into ambiguous optical illusions.
Why are Figure Stones important?
They demonstrate early symbolic behaviour, artistic convention, and possibly nonverbal communication systems, extending our understanding of prehistoric cognition.

Eoliths: Ancient Flint Tools from Tertiary Layers

2025-09-14T15:21:00.003+01:00

Eolith Collection, Flint Tools, Ancient Artifacts

Eoliths: Ancient Flint Tools from Tertiary Layers

Eoliths are flint or stone artifacts found in very ancient (Tertiary) geological layers. Originally accepted as flint tools but nowadays often wrongfully dismissed as “geofacts” or naturally broken stones, many exhibit clear signs of deliberate flaking. This page explains what eoliths are, why the term itself is problematic, and how new evidence challenges old assumptions.

Definition

The term “Eolith” combines the Greek “Eos” (dawn) and “Lithos” (stone). In the late 19th century, it described crude tools found in layers far older than accepted human presence. They were labelled “geofacts” without proof, largely because their age seemed impossible, not because they lacked workmanship.

Key Characteristics

Found in Tertiary strata (Miocene 23.03–5.3 MYA; Pliocene 5.3–2.58 MYA).
Often show bulbs of percussion, striking platforms, and patterned removals.
Exhibit patina depth consistent with extreme age.
Can have figurative content—head/animal profiles and faces (see Figure Stones).

Eoliths vs Geofacts

Geofact: An unworked stone resembling a tool but formed naturally.
Eolith: A stone found in very old layers, often labelled “unworked” due to its age—yet many show human workmanship and evidence of cognition. This label mismatch leads to dismissal of potential early human activity.

Why This Matters

Recognizing eoliths as deliberate tools reshapes our understanding of human antiquity, cognitive development, and migration timelines. Scientific dating, patina analysis, and lithic comparison are crucial to revisiting these finds objectively.

FAQ

Are eoliths real?
Yes. Assemblages show repeated flaking patterns, typology, and patina that strongly indicate human workmanship. Recent finds in Europe point toward dates extending into the Tertiary layers, making it unscientific to dismiss them as “geofacts” without proof.
How old are eoliths?
They are often associated with the Pliocene and Miocene epochs—millions of years before mainstream models allow for tool-making humans. Some appear alongside Tertiary fossils, suggesting deep antiquity beyond the Lower Palaeolithic.
How can eoliths be distinguished from geofacts?
Unlike natural fractures, eoliths display repeated flake removals, consistent striking angles, and edge wear. Repeating tool types (hatchets, scrapers, handaxes) across large assemblages strengthen their authenticity.
Where have eoliths been found?
Across Europe (notably the UK, France, Belgium, Spain) as well as Africa and Asia—often in river gravels, chalk layers, and terraces dating back several million years.
Why are eoliths controversial?
They challenge mainstream timelines by suggesting tool-making occurred millions of years earlier than accepted. Many archaeologists dismiss them as broken stones rather than address the evidence of deliberate workmanship.
What do eoliths tell us about human origins?
If genuine tools, eoliths imply cognition and technology arose far earlier than currently believed, forcing a rethink of human evolution and suggesting tool-making in the Tertiary.
Are eoliths crude?
Not necessarily. While some crude examples exist, many are finely worked and indistinguishable from accepted Palaeolithic tools, showing deliberate shaping and skill.

Eoliths in Europe : Controversy, Critique, and New Evidence

2025-06-26T13:52:00.015+01:00

Eoliths vs. Ignorance – Dawn Stones Vindicated by New Finds

For over a century, mainstream archaeology has scoffed at the existence of eoliths – literally "dawn stones," purported crude tools from the dawn of prehistory (many are actually highly sophisticated works of art). A prime example is the Museum of Stone Tools website run by Professor Mark Moore. There, eoliths are flatly dismissed as nothing more than naturally fractured flints, with Moore insisting these objects "are now known to be examples of natural fracture"—a claim that, in my view, is factually incorrect. According to him (and conventional wisdom), early finds of flint chips in very old geological layers—well before any accepted human presence—must all be accidents of nature. But is that really so? Mounting evidence says no, revealing that this dismissal is rooted less in hard science and more in entrenched dogma, as he has not shown evidence that all eoliths lack workmanship.

First, what are eoliths? The term comes from eos (dawn) + lithos (stone). It was coined in the 19th century to label flints found in ancient strata (some Miocene or Pliocene in age) resembling stone tools in shape and flaking. Early archaeologists like Benjamin Harrison and Abbé Louis Bourgeois described these pieces, arguing they were intentionally worked by prehistoric humans—the earliest tools. These "dawn stone" collections showed forms similar to later Palaeolithic tools (scrapers, borers, etc.), just often cruder. However, because they implied humans (or at least tool-making hominins) existed millions of years earlier than orthodox timelines allowed, most scholars refused to even consider them genuine. Famous prehistorian Gabriel de Mortillet admitted the main reason for rejecting Bourgeois’s Miocene tools was simply their unimaginable age. Over time, a dismissive consensus formed: eoliths were written off as products of natural processes—landslides, frost cracking, rolling in rivers, etc. Officially, eoliths became a "mistake" of naïve early researchers.

Mark Moore follows this tired formula precisely. On his Museum of Stone Tools site, he parrots that eoliths were "once thought" to be tools but are now known to be naturally broken stones. He even illustrates the page with a few tiny photographs—images so small and low-resolution one wonders if he doesn’t want you to inspect them too closely. Why? Because at least one image is indistinguishable from a genuine Palaeolithic flint tool assemblage, showing similar flake scars and retouched edges. The evidence of craftsmanship is clear if one looks closely. By keeping pictures tiny and discussions minimal, Moore avoids grappling with the obvious: many eoliths bear clear hallmarks of deliberate flintknapping.

What hallmarks? Bulbs of percussion (tell-tale bulge from a hard strike), striking platforms, éraillure scars, ripple lines on flake surfaces, and systematic patterns of flake removals often in sequences. These are produced when a human shapes a core deliberately. Natural forces rarely create textbook flake scars oriented for purpose. A human knapper typically removes multiple flakes in layers, whereas nature’s flakes tend to be random, often cortex-covered. Many eoliths precisely show patterned flake removals, edge retouching, and symmetry you'd expect from intentional tools—indistinguishable from later Stone Age tools, except for their geological age. Moore conveniently ignores this, implying any resemblance to a tool must be coincidental due to the assumed absence of early toolmakers. This is circular reasoning at its worst.

Not only does Moore ignore the lithic evidence, he engages in guilt-by-association. He attempts to discredit legitimate eolith research simply because some of it has appeared in creationist publications. For example, Michael Brandt’s comprehensive paper on European eoliths—published in Answers Research Journal—is dismissed by Moore on the basis of its venue, rather than its content. Yet Brandt’s work meticulously documents European eolith assemblages and concludes that their flaking patterns cannot be explained by natural processes. Moore addresses none of this evidence. Instead, he lumps eoliths together with “creationist” ideas in the hope that serious thinkers will reject them without reading further.

It’s a textbook case of poisoning the well—attacking the label to avoid confronting the data. By the same logic, one might dismiss the entire body of Isaac Newton’s work because of his Christian beliefs. Scientific evidence should be evaluated on its merits, not on where it was published or the personal beliefs of the author.

At this point, why is Moore so adamantly denying eoliths? It’s perplexing that an archaeologist avoids investigating deeper human antiquity evidence, appearing instead to reinforce old orthodoxy. Considering his approach, he may be:

Woefully uninformed, dismissing eoliths without proper examination.
Wilfully obtuse, aware but refusing acknowledgment.
Out of his depth, writing about a subject he can't objectively analyse.
Agenda-driven, a shill for the status quo determined to hide or discredit findings validating independent researchers like Brandt or myself.

Whatever Moore’s motivation, none reflects well on an authority on stone tools. His stance is a disservice to open scientific inquiry. As an independent researcher with numerous eolithic tool and figure stone finds in the UK, I emphasize that eoliths haven't been scientifically disproved—only dismissed and labelled "geofacts" without proof. Establishment archaeologists decided eoliths can't be real, then treated that assumption as fact—sweeping inconvenient evidence under the rug. Science should follow evidence, not dictate what's allowable based on a theory.

Now, rigid mindsets face new challenges. Recent discoveries vindicate eolith proponents, notably from Romania where researchers found evidence that hominins occupied Europe far earlier than previously believed—precisely the timeframe of once-derided eoliths. At Valea lui Grăunceanu, Romania, stone-tool cut marks on animal bones dated ~1.95 million years ago provide the oldest evidence of hominin activity in Europe, pushing back human presence by roughly 200,000 years.

This evidence directly undermines Moore’s blanket scepticism. His insistence no tools existed in older layers looks increasingly untenable, even arrogant. New findings suggest Europe might have had hominin presence even earlier. The Romanian discovery reveals evidence hidden in plain sight, missed due to preconceived notions. Likewise, genuine eolith artifacts may have been misclassified or ignored. We must avoid repeating past mistakes due to outdated assumptions.

In light of these findings, Moore’s stubborn denial of dawn stones appears indefensible. Extraordinary claims require proof, but blanket-dismissal without examination is equally unscientific. The correct approach is rigorous analysis. Independent researchers applying such analysis have consistently found evidence supporting eolith authenticity.

Human prehistory is deeper than textbooks admit. The dismissal of eoliths resulted from failures of imagination and observation perpetuated by Moore’s site. The new Romanian discoveries affirm our ancestors' presence at the dawn of the Ice Ages as fact. It’s high time the archaeological community reconsider eolith collections openly. When facts challenge reigning theories, science adapts theories accordingly. The eolith debate now aligns with mounting evidence—our prehistoric past is richer and deeper than previously accepted.

Revelation in Stone: Prehistoric Discoveries Ep1 | Introduction to The Site and Flint Artifacts

2025-04-18T21:21:00.006+01:00

Revelation in Stone — Episode 1 introduces a significant archaeological discovery near the famed Boxgrove site in Southern England. This opening episode sets the stage for a series exploring eoliths, figure stones, and portable rock art — including flint tools and nodules bearing faces, animals, and symbolic motifs. We outline methods for identifying workmanship and patina continuity, and preview how ambiguous, anamorphic compositions encode multiple creatures (front halves, head profiles, full side views, hands and feet). The site’s material challenges assumptions about timeline, cognition, and the emergence of symbolic behaviour, bridging utilitarian technology and early art. Watch to see why these finds matter and how the series will unfold with detailed analyses of tools, motifs, and dating context.

Site context near Boxgrove (Britain’s oldest human remains) and methods overview
Figure stones & portable rock art: faces, animals, and symbolic glyphs (Eoglyphs)
Eoliths: workmanship indicators, patina evidence, and geological context
Anamorphic illusions: multiple animals integrated in single compositions
What’s next in Episodes 2–3: flintknapping analysis and imagery deep-dives

Episode Guide

Episode 2 (Part 1): Lithic analysis & flintknapping — watch on YouTube
Episode 2 (Part 2): Prehistoric faces & tools — watch on YouTube

Learn more: Eoliths · Figure Stones · Portable Rock Art

Eolith Discovery in Southern England Reveals Australopithecus Sculpture

2023-12-17T12:24:00.004+00:00

Introduction: In the heart of Southern England, a groundbreaking eolith discovery is challenging the mainstream understanding of prehistoric art and human history. This extraordinary find features a striking frontal sculpture that uncannily resembles an Australopithecus, offering a new perspective on early human creativity.

A Glimpse into the Past: Unearthed from a site rich in historical artefacts, this eolith stands out for its remarkable symmetry and detailed craftsmanship. The sculpture presents a face with deep-set eyes, possibly depicting a winking expression or even a hooded figure. This interpretation is further enhanced by the head shape, which aligns closely with our knowledge of Australopithecus anatomy.

Artistic Mastery in Stone: The craftsmanship of this eolith is nothing short of stunning. Its symmetrical design and the intricate detailing of the facial features suggest a level of artistic skill not commonly attributed to early human artists. The deep holes for eyes, in particular, add a level of depth and realism that is rarely seen in prehistoric artefacts.

A Tapestry of Faces and Symbols: Beyond the prominent Australopithecus representation, this eolith is a treasure trove of other faces and symbols commonly found in flint tools and art objects from the region. Each marking and figure on the stone tells a story, offering insights into the cultural and artistic expressions of our ancestors and as my study suggests a kind of world wide prehistoric proto-language, or just a silent hunting aid.

Implications for Prehistoric Art Studies: This discovery is not just a testament to the artistic abilities of early humans but also a potential paradigm shift in how we understand prehistoric art. The sophistication and clarity of the sculpture challenge the notion that early human art was rudimentary or purely functional.


The above photo taken from another angle of the prehistoric sculpture is reminiscent of a bear face description, although it is in fact a complex mash-up of ancient symbolism. Those more familiar with my research may notice the ambiguous optical illusion of a left and downward facing hominid head profile and a right facing bear front half.

Conclusion: The discovery of this eolith in Southern England is a remarkable addition to the world of archaeology and prehistoric art studies. It compels us to reconsider our perceptions of early human artistry and opens up new avenues for research and exploration in human history.

Call to Action: Stay tuned for more updates on this extraordinary find and join us in exploring the depths of human history and creativity. Share this post to spread awareness of this incredible discovery!

Another face in the sculpture displays a rather simple chimp impression.

Ancient face mask - Figure Stone

2023-06-25T13:13:00.003+01:00

This is quite a stunning piece of portable rock art found in North Carolina, United States by Brandon McDonald. It appears as a face mask, but I would suggest its a lot more than that as it clearly displays the convention and common content by my definition of a figure stone.

Looking carefully at the find many figurative interpretations can be made, and many are credible due to the fact that I've predefined these and described and demonstrated them numerously on this blog and put them in my 'Figure Stone Key' of this global ancient art phenomena.

I think that what is most important here is the modern human like face description, it displays no apparent archaic features, the nose is very well defined and the brow ridge looks normal for a human and does not look as thick set as expected if this was a depiction of Neanderthal or Homo-Neanderthal. This fits with my theory that Humans are responsible for the world wide figurative art topology, even though in many cases art finds appear to be in the multi-million year age range (well before dubious theory concerning human chronology).

The find also displays proboscidean descriptions in the expected front half convention, both left and right facing, and possibly on both sides of the mask. Looking at these carefully mammoth, mastodon and even large eared African elephant can be interpreted here, this I feel is by design, deliberate ambiguities worked into the find so it covers multiple species. (Previous African Elephant like interpretation form North Carolina Artifact:- American Paleoart )

There is also a good ape like face in the fairly common frontal convention, and it also appears defined by a diamond kite shape, as is also on my key (commonly interpreted as an Australopithecus) This however is not bordered by the edges of the find as I usually require, to rule out pareidolia, but we definitively have a genuine polymorphic artifact here so this is a fare interpretation.

There is also plenty more fairly certain interpretations here that meet the standard figure stones common lexicon and convention: Lion half, hand holding a rock, grazing horse half, and no doubt more through careful examination in person. Something to be aware of is a Galapagos like tortoise and/or dinosaur like impression in this find.

So how old is this find? Standard archaeological narrative would tell us this is at maximum 13 thousand years old (Clovis first), but human habitation has already been put back much further for north America, although not directly attributed to Modern Humans as far back as around 100 Thousand years, and even further still for artistic people of Hueyatlaco, 260 thousand years, and if we accept the ape like face description is of an ape and we accept the (extremely dubious narrative) fossil record, then 20 million years old, but I suspect its only a few hundred thousand years at most.

Portable Rock Art Face Mask

Portable Rock Art Double Elephants

How old is my Portable Rock Art?

2023-04-27T13:22:00.011+01:00

Patina depth vs time (indicative ranges only)

How to Date Portable Rock Art: Methods, Limits & Practical Tips

Portable rock art can be dated using a mix of physical, chemical, and contextual evidence. No single test “proves” an exact year; instead, we triangulate a timeframe from patina growth, stratigraphy, tool typology, and, where conditions allow, laboratory methods such as TL/OSL, U/Th, ESR, or radiocarbon of associated organics.

For background on object types and terminology, see: Portable Rock Art (overview), Figure Stones (guide), and Eoliths (deep antiquity).

First: Prove It’s Art, Then Date It

Before dating, establish human agency. Otherwise, you may end up dating weathering films, bird poo, or random fractures. Look for: repeated motifs (faces/animals/hands), deliberate removals and retouch, consistent striking angles, symmetry, pigment recipes, patina continuity across scars, and critically assemblage context with similar pieces and tools in the same material.

Example of analytical confirmation: FTIR (diamond ATR) showing intentional pigment recipe

Dating Methods (What Works & Where It Struggles)

Patina Depth & Hydration Layers

Flint microstructures hydrate; patina thickens over time. Use measured thickness (µm) against reference curves for relative age brackets. Excellent for screening; ranges get broad with extreme antiquity. See: Dating Flint Artifacts with Patina (chart & notes).

Interpretive Dating via Iconography & Fossil Comparisons

Some researchers attempt to date portable rock art by interpreting the imagery itself, such as comparing animal depictions to species known from the fossil record. For example, a carving resembling a mammoth might suggest a Pleistocene context. However, this approach is highly subjective and open to bias; without corroborating stratigraphy, patina, or scientific testing, iconographic comparisons alone should be treated with caution.

Comparative Typology & Assemblage Correlation

Compare flaking strategy and forms to known industries (Oldowan, Acheulean, Mousterian, microlithic). Works best when finds sit in a coherent assemblage. Note: archaic techniques can persist or reappear later.

Luminescence (TL / OSL)

Thermoluminescence dates last heating; OSL dates last sunlight exposure under burial. Powerful but lab-based and context-sensitive. Dates the last event, not creation.

Radiocarbon (Indirect Organics)

Dates organics in pigments/binders or overgrowing crusts (if present). Useful <50k years; contamination risk; many flint pieces lack organics.

Uranium–Thorium (U/Th)

Dates calcite/mineral accretions formed after the art gives a minimum age. Requires suitable deposits and closed-system behaviour.

Electron Spin Resonance (ESR)

Measures trapped charges in quartz/silica; can reach deep time when conditions are right. Specialist method with dose-rate assumptions.

Stratigraphic / Contextual Dating

Layered geology (and co-occurring fossils) can bracket age if the find is truly in situ. Surface finds lose most of this power.

Rock Varnish / Manganese Accretion

More common in arid-zone petroglyph studies; thickness/chemistry can provide minimum ages. Variable growth in temperate settings.

Tar / Bitumen Encasing

Organic tar/asphalt can sometimes be radiocarbon or chemically dated, yielding strong minimum ages if the artifact is encased.

Spectroscopy (XRF / FTIR)

XRF profiles elemental residues (pigments, oxides); FTIR (diamond ATR) identifies binders and organics. These are not clocks but can link to specific environments or biogenic sources that support chronological interpretation.

FAQ

How can I tell how old my portable rock art is?
Combine patina measurement, stratigraphy, typology, and if conditions allow lab methods (TL/OSL, U/Th, ESR, radiocarbon of organics). Cross-checking matters more than any single test.
Can I date a stone at home?
You can measure patina and compare typology to known industries; absolute dates require labs and controlled sampling.
What’s most accurate?
Luminescence, U/Th, ESR, or radiocarbon (for organics) are strongest in the right contexts; each measures a different process, so results can differ.
How old can portable rock art be?
In some contexts, potentially millions of years (Tertiary); elsewhere, tens of thousands. Context, patina, and stratigraphy are key.
Does patina prove great age?
Thick, continuous patina across scars is strong evidence of antiquity, but growth rates vary with environment; treat as relative dating.

Eoliths and Evidence of Cognition.

2023-02-15T13:25:00.008+00:00

Full paper available here: Eoliths and Figure Stones — Evidence of Cognition in Prehistoric Flint Tools

There are many ways in which we can look at an object and recognize that an intelligence was used to modify it, this I have termed 'Evidence of Cognition'. Eoliths and many other finds have been dismissed as the product of natural factors, tide wave action, falls, trampling etc, but with no actual evidence at all! or even a real scientific explanation. So some archaeologists are literally telling you the 'moon is made of cheese', and not even giving you any evidence for their 'giant imaginary space cow'.

Let's think about this for flints and recognizing evidence of cognition in them, when flints are formed they are covered in cortex, finding a flint without cortex would suggest the cortex was removed somehow, to remove all of the cortex would require a lot of action, rather like peeling the skin from a potato, although obviously percussion with respect to flints. Symmetry and parallel features in flint finds also hint at mathematics in use, hence evidence of cognition again. Also repeating patterns on the surface of the flint would indicate the same strengths and techniques and precision were used to remove flakes. Long flake removals that produce linear parallel scaring are absolute proof of agency and evidence of cognition, the probability when examining the forces involved is so close to impossible just for two parallel flake removals. Also the patinas in flint can give an indication that the flakes removed from the flint could have happened in proximal time periods, and none since, as it's possible to see the difference in old chips and new chips. Repeating topologies in finds, the shapes found also give an indication of design, so again evidence of cognition.

Evidence of Cognition in Flint Finds: Identifying Agency in Archaeological Artifacts

Introduction: The identification of flint artifacts as products of human agency and cognition has long been a topic of debate in the field of palaeoanthropology and archaeology. Identifying human agency and cognition is important for understanding the evolution of human behaviour and technology. While some researchers have dismissed certain flint finds as natural formations, many studies have shown that the evidence of cognition in flint artifacts is significant and cannot be ignored. In this paper, we examine the various factors that contribute to the identification of flint artifacts as products of human agency and cognition, including symmetry, parallel features, patina, flake removal, and repeating patterns, and topologies in shape and form, figuration (creature and other depictions).

While the identification of some flint artifacts as tools is straightforward, the recognition of more subtle features requires careful analysis. In this paper, we examine the role of evidence of cognition in identifying flint artifacts, focusing on the factors that indicate that flint artifacts are the result of human agency and cognition.

Flint is a common material used by early humans for tool-making, and as such, flint finds can provide valuable insights into the cognitive abilities of our prehistoric ancestors. Identifying evidence of cognition in flint finds can be a challenging task, but there are several key characteristics to look for that can indicate the use of intelligence and agency in the creation of these artifacts.

One way to recognize the use of intelligence in modifying an object is to look for evidence of precision or purposeful design. If an object has been modified in a way that seems to serve a specific purpose, it is more likely that an intelligent being was involved in the modification process.

Another way to recognize evidence of cognition is to look for patterns or repetitions. If an object has been modified in a consistent and repetitive manner, it is more likely that an intelligent being was involved in the modification process.

Additionally, examining the use of raw materials and tools can also provide evidence of cognition. If an object has been made from a material that is not readily available in the surrounding environment, or if it has been shaped using a tool that is not found in the area, it suggests that an intelligent being had to bring these materials or tools to the site in order to create the object. An example of this could be the use of manufactured pigments, or ochre line etching done by a sustained and applied force from iron pyrites.

One of the most obvious signs of agency in flint finds is the presence of flake removal scars. When flint is initially formed, it is covered in a layer of cortex that must be removed to access the usable material inside. This removal of cortex requires considerable physical action, such as percussion or pressure flaking, indicating the deliberate use of force to shape the flint. Remailing cortex is often used as a comfort or grip feature in flint tools, simply found on side surfaces opposite the cutting blade, there are many examples of this in indisputable flint tool finds.

Shape topologies: The identified shapes in flint tool assemblages, such as hand axes and arrowheads, are clear evidence of design and cognition. The precision and symmetry involved in creating these tools is undeniable, and the fact that we find them in large numbers and in a variety of contexts is further proof that they were created intentionally by ancient humans. The design elements and topologies in these tools show an incredible level of skill and craftsmanship, and suggest that the creators of these tools were not only able to conceive of and plan their designs, but were also able to execute them with a high level of precision.

Similarly, the figurative depictions found in figure stones are not just random patterns, but show a clear repetition of subjects such as elephants, apes, bears, and hand shapes. The fact that these subjects are framed by the edges of the flint find is further evidence that they were created intentionally by ancient humans, rather than being a product of pareidolia or random chance, there is also common convention and even common repeating combinations that prove design, skill and forethought. The level of detail and complexity in these depictions is also remarkable, and suggests that the creators of these figure stones were skilled artists who were able to create incredibly detailed and lifelike representations of the creatures they saw around them.

In summary, the identification of specific shapes and designs in flint tool assemblages and figure stones is clear evidence of design and cognition in ancient humans. The repetition of these shapes and designs across different tools and stones suggests that they were created intentionally, rather than being a product of random chance or natural formation. The skill and precision involved in creating these tools and stones is remarkable, and serves as a testament to the ingenuity and creativity of our ancient ancestors.

Evidence of Cognition in Flint Artifacts: The evidence of cognition in flint artifacts can be seen in a number of different ways. One of the most important factors is symmetry. Many flint artifacts, including tools and figurative depictions, show a high degree of symmetry, indicating that the maker was intentionally creating a balanced design. This level of symmetry is highly unlikely to occur by natural processes. Symmetry and parallel features in flint finds also suggest the use of mathematical reasoning and planning. Humans are known to have an innate sense of symmetry, and the presence of symmetrical features in flint finds suggests a deliberate attempt to create balance and order in the design.

Parallel features, such as parallel flake removal scars or linear patterns, also suggest a deliberate and planned approach to flint working. Blade sharpening, and repeating patterns are all strong indicators of human agency and cognition. The probability of two or more parallel features occurring in natural formations is extremely low, making it highly unlikely that parallel features in flint artifacts are the result of natural processes. Even two similar flake removals proximal to each other are also very good evidence for cognition, lightning has struck twice in the same locale, comparable forces have made a pair of like flake removals in a substance that is harder than steel, To do this requires cognition, find a third similar flake removal and we need something like a trillion to one chance for those three to be a natural occurrence. We could throw a flint off a cliff a billion times and never get one of those long slender flake removals found in something like a flint core, let alone a similar set of parallel flake removals.

In addition, repeating patterns on the surface of flint artifacts indicate that the same strength and techniques were used to remove flakes. These patterns are unlikely to occur in natural formations and provide further evidence of human agency and cognition. A line of flake removals, commonly seen in flint finds, is another piece of evidence pointing to agency and cognition. This type of flake removal is often seen in blade sharpening, a process where a series of small features are created at the edge to create a sharp edge for use in cutting. Flint pecking, a process where a small piece of flint or possibly even iron pyrites or diamonds are used to remove tiny flakes to create a specific feature, in a line of flake removals, commonly seen in flint finds, is another piece of evidence pointing to agency and cognition. The pattern and direction of flake removals, the size and shape of the resulting tool or figure, and the presence of patina all contribute to the overall picture of evidence of cognition in flint finds. It is therefore nonsensical to dismiss such finds as products of natural factors, without any evidence to suggest that such natural processes could even produce the observed features. Occam's Razor, a principle in science that states that the simplest explanation is often the best one, would suggest that the most likely explanation for these finds is that they were created by intelligent beings.

The probability of natural events producing the same pattern of chips consistently around the edges of a flint find is extremely low. This is because the forces involved in natural events such as weathering and erosion are random and chaotic, and they do not typically produce consistent patterns. On the other hand, deliberate flake removal produces consistent patterns of chips that are indicative of a systematic and controlled process.

In summary, identifying evidence of cognition in flint finds involves looking for signs of agency, such as deliberate flake removal scars, symmetry, parallel features, repeating patterns, and long flake removals. Additionally, the age and patina of the flint can provide valuable information on the likelihood of intentional shaping by early humans. By using these key characteristics, archaeologists can identify and better understand the cognitive abilities of our prehistoric ancestors.

Conclusion: The evidence of cognition in flint artifacts is significant and cannot be ignored. The factors of symmetry, parallel features, patina, flake removal, and repeating patterns are all strong indicators of human agency and cognition. Dismissing certain flint finds as natural formations without any evidence to suggest that this could even happen goes against the principle of Occam's razor. The scientific community must acknowledge the significance of evidence of cognition in flint artifacts and the importance of identifying flint artifacts as products of human agency and cognition.

Its a pity we cannot find any evidence of cognition in the archaeologists who dismiss such eolith finds as natural

The above finds are labelled as Eoliths found in England, France and Belgium. Clear evidence of cognition is visible here and nothing else, no natural process can produce the flake removal scars seen here and no scientist can prove or produce evidence that that is the case.

Eoliths, Figure Stones - Flint Tools, Portable Rock Art and Research

Richard Wilson's Figurative Constraint: A Critical Review

Richard Wilson's Figurative Constraint: A Critical Review

1. Figurative Constraint versus Image Logic and Stacked Constraints

2. The Statistical Problem: Counting Bears Is Not Testing Their Anatomy

3. From Cumulative Observations to Probability: Where Is the Actual Test?

4. If It Was Established a Century Ago, Identify the Method

5. What Does "Iconic Affordance" Actually Add?

Conclusion: New Terminology Is Not New Evidence

Sources and methodological comparisons

Stunning Ape Face in Flint: Fossil or Prehistoric Art?

An ape face in flint: but what exactly are we looking at?

A fossil that shouldn't exist?

This find certainly has had an interesting history, with probable tar and ochre deposits all over it.

What about the unusual markings?

Another example of prehistoric visual communication?

See the face for yourself

A Hematite Handaxe from the South Downs: Tool, Figure Stone, or Both?

First question: what exactly is the stone?

Ironstone really was used for Palaeolithic tools in Britain

Hematite could also become sculpture

Worked hematite elsewhere in Palaeolithic Europe

The figurative element: an ape or hominid profile

The South Downs context

What about an age measured in millions of years?

How this object can be tested

Why this find matters

References and further reading

Comparing Prehistoric Art in 3D: A New Archaeology Tool

Comparing Prehistoric Art in 3D: A New Archaeology Tool

Six 3D models, side by side

Why this could matter for prehistoric art research

Looking beyond the outline

Try comparing the same stone from two angles

You can bring your own artefacts into the comparison

The Goodwood handaxe and a possible elephant figure

Not just handaxes

An invitation to look for yourself

Beyond the Goose Egg: Do Elongated Handaxes Echo Dinosaur Eggs?

Beyond the Goose Egg: Do Elongated Handaxes Echo Dinosaur Eggs?

The Egg and Axe Ratio Test

The Overlap Is Larger Than It First Appears

Addendum: The Match Is Now in Scale as Well as Shape

The full dataset, Boxgrove standardisation evidence, interactive shape modeller and extended egg/handaxe comparisons are now collected on the Eoliths.org Acheulean Handaxe Egg Geometry page.

Frequently Asked Questions

Do these measurements prove that Acheulean handaxes were modelled on eggs?

Is the Boxgrove ovate and goose egg comparison compelling?

Are all elongated Acheulean handaxes ovates?

Do elongated handaxes overlap with pterosaur and non-avian dinosaur egg proportions?

Sources and Further Reading

Chimpanzee Faces in Stone

Chimpanzee Faces in Stone: Eoliths, Fossil Absence and the Archaeology of Agency

The Same Ape Face Twice

The Fossil Record Is Not a Census

The Chimpanzee Fossil Record Proved the Point

Archaeology Already Accepts Presence Without Human Bones

Does a Chimpanzee Image Prove Chimpanzees Lived in Britain?

The Eolith Problem: A Natural Mechanism Is Not a Universal Diagnosis

When the Narrative Becomes Circular

Stone Tools Already Broke One “Impossible” Timeline

Engraving and Cognition Have Also Moved Backwards in Time

The 10, 20 and 30 Million Year Problem

Ape Faces in Ancient Tool Forms

Pareidolia Is a Hypothesis, Not an Explanation

Search Engines, Wikipedia and AI Do Not Decide Archaeology

The Hypocrisy That Must Be Avoided

Why These Finds Matter to Evolution, Art and Cognitive Science

A Scientific Programme for Testing These Claims

The Challenge

Conclusion: Evidence Does Not Owe Allegiance to a Timeline

Further Research

Selected Scientific & Historical References

FAQ

Plate Flint, Tabular Flint, and Diamond-Shaped Prepared Blanks: Flint Anvils, Stone Plates, and Ancient Worked Flints from a South Downs Site

Plate Flint, Tabular Flint, Diamond-Shaped Flint, and Prehistoric Prepared Stone

Anvils, blanks, portable reserves, and early flint working in Southern EnglandI have many stunning Prehistoric Horse Head Sculptures from my secret site on the South Downs in Southern England, this one is very skilfully worked from plate flint.

What is plate flint?

Why tabular flint matters on prehistoric sites

Diamond-shaped and kite-shaped plate flints

Plate flint as anvil, blank, and prepared material

Anvils, blanks, portable reserves, and early flint working in Southern England
I have many stunning Prehistoric Horse Head Sculptures from my secret site on the South Downs in Southern England, this one is very skilfully worked from plate flint.

You can hardly see the goose egg here, because the Boxgrove ovate follows it exactly.

The Takeaway