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by Stratigraphy.net
New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

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World’s Oldest Unused Stone Tools Found (So They Say)

Last week, it was announced that scientists had found the world's oldest stone tools, in Kenya, dated at 3.3 million years. The precise dating of the tools was made possible by Chris Lepre and Dennis Kent of Lamont-Doherty Earth Observatory, who used periodic reversals in earth's magnetic field to nail the timing. Now, in a related study, a separate team says they have discovered the world's oldest stone tools that were never used--an apparent revelation about early human leisure time.

Stratigraphy.net | Impressum
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