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Surprised archaeologists found that they were here 30,000 years earlier than we initially thought.

Archaeologists were stunned after the fossils discovered in 1967 proved to be the oldest archaeological site of mankind.

Even if fossils known as “Omo I” were found in Ethiopia, scientists had a hard time estimating exactly how old their debris was...

However, a team of international experts led by researchers at the University of Cambridge have established that fossils are much older than previously calculated.

The lead author of the study, Dr. Celine Vidal and her colleagues, dated all major volcanic eruptions in the Ethiopian rift during the advent of Homo sapiens (a period known as the Late Pleistocene). I have tried. Year project.

The team collected pumice samples from volcanic deposits and crushed them to the size of a submillimeter wave.

By dating the chemical “fingerprints” of the ash layers above and below the fossil, experts calculate that the fossil may exist 30,000 years earlier than previously estimated human life forms. Is done.

This discovery is essential to the archaeological community, as these sites prove that modern humans roamed the globe long before it was estimated 200,000 years ago.

“With these methods, the generally accepted age of omo fossils is less than 200,000 years, but there was a lot of uncertainty around this date,” said Dr. Vidal.

“Each eruption has its own fingerprint. This is a unique evolutionary story under the surface, determined by the path the magma followed.

“Once you crush a rock, you can release the minerals in it and dating them to identify the chemical characteristics of the volcanic glass that holds the minerals together.”

The study’s co-author, Professor Asfawossen Asrat of Addis Ababa University in Ethiopia, said: At least 230,000 years. “

Another co-author, Dr. Aurélien Mounier of the Homme Museum in France, said: Tall, spherical skull vault and chin.

“The new date estimate is effectively Africa’s oldest unchallengeed Homo sapiens.”

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Surprised archaeologists found that they were here 30,000 years earlier than we initially thought.

Source link Surprised archaeologists found that they were here 30,000 years earlier than we initially thought.

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