Victoria West cores from The Victoria West: earliest prepared core technology in the Acheulean at Canteen Kopje and implications for the cognitive evolution of early hominids

Victoria West cores from the top of the layer containing the Victoria West core assemblage. The yellow arrows show the preparation of the two surfaces, the red arrows show the preferential flake removal directions, and the blue arrows show scars overlapping the preferential removal. a, b , c and d correspond to the specimens CK3142, CK3004, CK2225 and CK2208 respectively (see Table S1 for raw data).