Sunday, 29 March 2026

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 England
Plate Flint / Tabular Flint
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 flintsflint 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.

Prehistoric Diamond
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.

Tabular Flint
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


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.


Sunday, 25 January 2026

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

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

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?

Face Effigy Stone
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.

Friday, 9 January 2026

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

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.

Sunday, 4 January 2026

Ovate Handaxe and the Symbolism of the Egg

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)
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

ObjectTypical Length (L)Breadth (B)L ÷ B (Elongation)
Goose egg85 mm60 mm1.42
Duck egg75 mm55 mm1.36
Ostrich egg160 mm125 mm1.28
Emu egg130 mm90 mm1.44
Rhea egg130 mm89 mm1.46
Acheulean ovate handaxe (typical)1.40–1.55
Acheulean elongated handaxe1.55–1.65

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.


The shared geometry of the goose egg and the handaxe
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.

Friday, 2 January 2026

Portable Rock Art Database at Eoliths.org

 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


Wednesday, 17 December 2025

Flint Flake Mechanics: Stacked Constraints and the Probability of Agency

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
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
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:

  1. Establish agency by fracture mechanics.

  2. Establish structure, do the removals behave as stages?

  3. 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.

portable rock art crocodile

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.

Further Reading

Eoliths Science Hub
Eoliths and Evidence of Cognition
10 Debunks of the Eolith Geofact Claim

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.