Publication year: 2011 Source: Journal of Human Evolution, Available online 20 September 2011 Lindsay J. McHenry Olduvai Gorge, Tanzania has rich records of Plio-Pleistocene fauna and flora, hominin fossils, and stone artifacts preserved between well-dated tephra layers (tuffs).
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A revised stratigraphic framework for Olduvai Gorge Bed I based on tuff geochemistry