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Heavy Metal Contamination (was Re: Paleoworld)
On Mon, 16 Nov 1998 TomHopp@aol.com wrote:
> This reminds me of a hilarious article I read about ten years ago in -- I
> think -- Natural History Magazine. It was illustrated with a weapon-toting
> theropod, and facetiously made the case that heavy metal contamination and
> extinction of large animals are signs of OUR times, so maybe dinos went out as
> we may, by pollution or nuclear means. It was cute.
That's an interesting idea. Iridium and chromium (in large amounts)
could've had a toxic affect? Or perhaps side effects, like thinner shells?
Out of those creatures that survived the (alledged) impact, what is their
tolerance to these metals?