Fossils from the oldest known Homo sapiens individual in East Africa are more ancient than previously thought.
A volcanic eruption about 233,000 years ago left a layer of ash atop the sediment that yielded the Omofossils, say volcanologist Céline Vidal of the University of Cambridge and colleagues.
That ash layer displayed a chemical fingerprint matching that of a volcanic crater located 350 kilometers northeast of the fossil site. A massive eruption there spewed volcanic ash that wafted to Omo, the researchers say. Dating of hardened ash at the volcanic crater
France Dernières Nouvelles, France Actualités
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