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Re: Theory of Non-Avian Dino Extinction

Jeff Poling <jpoling@dinosauria.com> wrote
>At 09:59 PM 3/17/97 -0800, Grant Harding wrote:
>>The meteorite falls in winter, when mammals, amphibians and 
>   BTW, didn't somebody peg the KT event as occurring on June 20 or some
>specific date like that based on plant fossils?

Wolfe J A , 
Palaeobotanical evidence for June 'impact winter' at the Cretaceous/Tertiary
Nature 1991; 352: 420-2 

Analysis of the sediments of Teapot dome in Wyoming, which was a lily  pond
at the end of the Cretaceous period, showed evidence of double bolide impact
early in June. 

Gautam Majumdar                 gautam@majumdar.demon.co.uk