Radiogenic strontium isotopes (87Sr/86Sr) and the alkaline earth ratios (AERs) Sr/Ca and Ba/Ca in fossil dental enamel can inform the habitat, residence and life histories of early hominins recovered from the Pleistocene cradle-of-humankind sites of Gauteng, South Africa. Key questions, which may be addressed with these indices, are the relative exploitation of wet versus dry botanic regimes and whether early hominins dispersed in a manner similar to that of chimpanzees (characterized by male...
