BIFACE: A type of prehistoric stone tool flaked on both faces or sides; the main tool of Homo erectus. The technique was typical of the handax tradition of the Lower Paleolithic period and the Acheulian cultures. Bifaces may be oval, triangular, or almond-shaped in form and characterized by axial symmetry, even if the marks made by use are more plentiful on one face or on one edge. The cutting edge could be straight or jagged and the tool used as a pick, knife, scraper, or even weapon. Only in the most primitive tools was flaking done to one side only. [bifacial, coup-de-poing, hand ax]
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| Cordiform biface typical of the Middle Palaeolithic. (Longueur : 11 cm). |
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