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Prehistoric Climate Shift Linked to Cosmic Impact

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avatar Prehistoric Climate Shift Linked to Cosmic Impact
September 03, 2013 12:07AM
Sep. 2, 2013 — For the first time, a dramatic climate shift that has long fascinated scientists has been linked to the impact in Quebec of an asteroid or comet, Dartmouth researchers and their colleagues report in a new study funded by the National Science Foundation.

http://www.sciencedaily.com/releases/2013/09/130902162707.htm
avatar Re: Prehistoric Climate Shift Linked to Cosmic Impact
September 04, 2013 06:34PM
From the article:

“People have written about many impacts in different parts of the world based on the presence of spherules. "It may well have taken multiple concurrent impacts to bring about the extensive environmental changes of the Younger Dryas," says Sharma. "However, to date no impact craters have been found, and our research will help track one of them down."”


Maybe the impact crater is underneath one of the Great Lakes and now covered in sediment.

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