EP Gallery: Middle Acheulian -- Olorgesailie, Olduvai Gorge, Near East, Abbevillian (c. 1.0 MYA to 500,000 BP) / g)olgbiff72

Typical artifact types from Olorgesailie, sites I3 and DE/89C, c. 750,000 to 1.0 MYA. Categorized by Issac: (1) handaxe, subclassic ; (2) handaxe, subclassic; (3) picklike biface; (4) handaxe, classic; (5) handaxe, subclassic, trihedral; (6) cleaver.

Illustration © Issac, G. [1977]. Olorgesailie: Archeological Studies of a Middle Pleistocene Lake Basin in Kenya. Chicago, University of Chicago Press: figure 72.