Middle Stone Age ochre-processing tools reveal cultural and behavioural complexity (IMAGE)

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Middle Stone Age ochre-processing tools reveal cultural and behavioural complexity

Caption

Top left: tool used to grind ochre from the Middle Stone Age levels of Porc-Epic Cave, Dire Dawa, Ethiopia; Top right: residues of ochre on the same object; Bottom left: modified ochre lumps from the same levels; Bottom right: photo of the cave.

Credit

D.E. Rosso and F. d'Errico

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