Younger Dryas impact event Totally Explained

Everything about The Younger Dryas Impact Event totally explained

The Younger Dryas impact event is the name of a hypothesized impact event at the beginning of the Younger Dryas cold spell about 10,900 BCE. The impact seems to have occurred near the North American Great Lakes; the bolide may have disintegrated in the air.

Evidence

The evidence for such an impact event is a layer of unusual materials (Nanodiamonds, magnetic grains, carbon spherules, magnetic spherules, charcoal, soot, fullerenes enriched in Helium 3, etc.) at the very bottom of the "black mat" of organic material that marks the beginning of the Younger Dryas.
It is hypothesized that this impact event brought about the extinction of many North American large mammals. These animals included camels, mammoths, the short-faced bear and numerous other species. The markers for the impact event also appear at the end of the Clovis culture.

PNAS Publication

On September 27, 2007, a paper presenting the findings of the Acapulco group was pre-published online at the Proceedings of the National Academy of Sciences website. According to the study, the impact event may have led to an immediate decline in human populations in North America at that time.

Further Information

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