Search Results - Open Polar - "Clovis culture"

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The Case for the Younger Dryas Extraterrestrial Impact Event: Mammoth, Megafauna and Clovis Extinction

by Firestone, Richard B
Published 2009
“... of the Clovis culture in North America simultaneously occurred 12,900 years ago followed immediately...”

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Evidence for an extraterrestrial impact 12,900 years ago that contributed to the megafaunal extinctions and the Younger Dryas cooling

by Firestone, R.B.
Published 2008
“..., and termination of Clovis culture have long been controversial. In this paper, we provide evidence...”

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