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Re: (meteorobs) Iridium from Impacts vs Volcanism
At 09:07 AM 7/25/99 EDT, you wrote:
>
>Both asteroid impacts on earth and Volcanoes give off Iridium I understand.
>Is there anything different about the Iridium from both sources that would
>enable one to say that it definitely came from an asteroid or a volcanoe?
>
>Also I understand that the iridium content from an asteroid is suppose to be
>larger than that from a volcanoe....but how could you tell if iridium came
>from a small-medium sized asteroid impact and not from an extensive volcanic
>eruption?
>GeoZay
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>
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With the parameters given, you couldn't.
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