[meteorite-list] Microfossils Shed Light on Cretaceous/Palaeogene Extinction
From: Paul H. <oxytropidoceras_at_meteoritecentral.com>
Date: Tue, 2 Mar 2010 7:36:08 -0600 Message-ID: <20100302083608.GDA90.606123.imail_at_eastrmwml42> Tiny Shelled Creatures Shed Light on Extinction and Recovery 65 Million Years Ago, Science Daily, March 1, 2010 http://www.sciencedaily.com/releases/2010/03/100301102805.htm ?An asteroid strike may not only account for the demise of ocean and land life 65 million years ago, but the fireball's path and the resulting dust, darkness and toxic metal contamination may explain the geographic unevenness of extinctions and recovery, according to Penn State geoscientists.? Jiang, S. T. J. Bralower, M. E. Patzkowsky, L. R. Kump, and J. D. Schueth, 2010, Geographic controls on nannoplankton extinction across the Cretaceous/Palaeogene boundary. Nature Geoscience, DOI: 10.1038/ngeo775 http://www.nature.com/ngeo/journal/vaop/ncurrent/abs/ngeo775.html Yours, Paul H. Received on Tue 02 Mar 2010 08:36:08 AM PST |
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