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Ancient Ubeidiya Site Reveals 1.9 Million-Year-Old Migration Evidence

2/21/2026

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Summary

Story summary

A new study in Quaternary Science Reviews finds Ubeidiya in the Jordan Valley is at least 1.9 million years old and among the oldest sites outside Africa.
The site, alongside Georgia's Dmanisi, provides crucial evidence of early human migration out of Africa.
Researchers used three dating methods, including cosmogenic isotope burial dating and uranium-lead dating of fossilized snail shells, to establish the age.

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Story summary

A new study in Quaternary Science Reviews finds Ubeidiya in the Jordan Valley is at least 1.9 million years old and among the oldest sites outside Africa.
The site, alongside Georgia's Dmanisi, provides crucial evidence of early human migration out of Africa.
Researchers used three dating methods, including cosmogenic isotope burial dating and uranium-lead dating of fossilized snail shells, to establish the age.