Dates for the Middle Stone Age of East Africa

Details Dates for the Middle Stone Age of East Africa Dates for the Middle Stone Age of East Africa

Feb 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975sci...187..740w&link_type=abstract

Science, Volume 187, Issue 4178, pp. 740-742

Mathematics

Logic

1

Scientific paper

Three potassium-argon age determinations on sanidine from crystalrich pantellerite and volcanic ash in the Main Rift Valley of central Ethiopia indicate that the Middle Stone Age of East Africa began prior to 180,000 years ago. This suggests that the technological developments which characterize the Middle Stone Age have a far greater antiquity than previously estimated.

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