Bone Tool Texture Analysis and the Role of Termites in the Diet of South African Hominids

Abstract

The Swartkrans cave, part of the Cradle of Humankind World Heritage Site in South Africa, has yielded bone tool artifacts together with an abundance of hominid fossils attributed to Australopithecus (Paranthropus) robustusand some fossils attributed to the genus Homo. These bone tools were originally identified as digging implements by Brain andcolleagues (1988). More recent studies by Backwell and d’Errico (2001; d’Errico and Backwell 2009) reach the conclusion that they were primarily used to dig into termite mounds. Here, the methods pioneered for dental microwear texture analysis are applied in an attempt to address a narrower question of what genus of ter-mites the hominids were foraging. Texture analysis did not prove to be more informative than previous 3D studies of the Swartkrans bone tools, but the ecology of differing termite genera suggest the conclusion that the genus Macrotermes should be further investigated as a hominid food resource.

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