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Re: Report Questions Role of Mexican Crater

Tetanurae@aol.com wrote:
> A group of researchers led by Gerta Keller of Princeton University contends
> ........, they argue the impact must have occurred well before the
> extinction.

The article goes onto say:

However, Richard D. Norris of the Scripps Institution of Oceanography,
responded that the group has incorrectly located the K-T boundary.