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Archaeologists Find 2.75-Million-Year-Old Stone Tools in Kenya

Archaeologists have discovered Oldowan stone tools in three distinct archaeological horizons, spanning approximately 300,000 years (2.75 to 2.44 million years ago), at the site of Namorotukunan, part of the Koobi Fora Formation in the northeastern portion of the Turkana Basin in Kenya’s Marsabit district.

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