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 2011
“... 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, Richard B; Firestone, R.B.; West, A.; Kennett, J.P.; Becker, L.; Bunch, T.E.; Revay, Z.S.; Schultz, P.H.; Belgya, T.; Kennett, D.J.; Erlandson, J.M.; Dickenson, O.J.; Goodyear, A.C.; Harris, R.S.; Howard, G.A.; Kloosterman, J.B.; Lechler, P.; Mayewski, P.A.; Montgomery, J.; Poreda, R.; Darrah, T.; Hee, S.S. Que; Smith, A.R.; Stich, A.; Topping, W.; Wittke, J.H.; Wolbach, W.S.
Published 2009
“..., and termination of Clovis culture have long been controversial. In this paper, we provide evidence...”

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