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Evidence for an extraterrestrial impact 12,900 years ago that contributed to the megafaunal extinctions and the Younger Dryas cooling.
R B Firestone et al.
Proceedings of the National Academy of Sciences of the United States of America 104 (41), 16016-21 (09 Oct 2007)
info:pmid/17901202 | info:doi/10.1073/pnas.0706977104
10.1073/pnas.0706977104
Posted by Thulefoth and 2 others to YOUNGER DRYAS microspherules Holocene extinction Carolina Bays extraterrestrial impact clovis iridium soot Charcoal nanodiamonds Laurentide Ice Sheet Fullerenes on Tue May 13 2008 at 03:54 UTC | info | related

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