Cast, Not Carved · claim GEO-C537 · Mechanism rung · Tool marks and quarrying rates
The Aswan dolerite pounding stones were used to break up and pulverize the brittle waterglass foam formed by molten-natron etching cycles — predicting mortar-and-pestle abrasion wear on glassy material rather than granite-percussion wear.
source anchor
Fóti Ch 4, pp ~128–130
independence group: aswan-pounder-function — related extractions in this group are not independent evidence
Evidence
No evidence records attached yet — this claim is held on its source anchor alone: the ledger knows where the proposition is stated and has admitted no observation behind it. A source is not evidence.
an honest empty state
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Still missing: plain-language gloss, credibility assessment, diagnosticity assessment, strongest objection, what would change our mind. A claim gains them when an edition features it and the edition's adopted assessment supplies the full treatment — a decision the panel reviews, not a field anyone flips.