EP Gallery: Middle Acheulian -- Olorgesailie, Olduvai Gorge, Near East, Abbevillian (c. 1.0 MYA to 500,000 BP) / n)oldvwkp15

Comment: As at Olorgesailie, the handaxe and cleaver are predominate bifaces at Olduvai Gorge Middle Acheulian sites. Bed IV sites are dated 600-800,000 BP.

Bed IV WK Upper Channel: "Cleavers. The specimen at the top left is of quartzite and that at the bottom right of phonolite, the remainder are of basalt or trachyandesite."

Photo John Reader © Leakey, M. (1994). Olduvai Gorge, Vol. 5. Cambridge: At the University Press: pl. 15.

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