New open access preprint (based on some old work 😑 ) looking at the "Stotfield Cherty Rock" (a Triassic silcrete/calcrete) which turns out to have been used in archaeological tool-making... It looks fabulous under 254nm UV light - so much going on in these rocks. 🤓 🤩 More here:

https://eartharxiv.org/repository/view/9450/

#Geology #Archaeology #Lithics #Duricrust #Calcrete #Silcrete #Lossiemouth #MorayFirth #Sedimentary

Nouveau

Vade-mecum pour la caractérisation pétroarchéologique des silicites : De l’inventaire sur le terrain à l’analyse naturaliste en laboratoire = Vade-mecum for the petroarchaeological characterisation of silicites. From field inventory to naturalistic laboratory analysis

Paul Fernandes, Vincent Delvigne, Michel Piboule, Médard Thiry, Christophe Tufféry, Jean-Paul Raynal, Blandine Nouvel & Stéphane Renault

https://journals.openedition.org/pm/4253

#prehistory #lithics #silex #flint #chert #silcrete