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Re: Extinction scenarios
Jerry D. Harris wrote:
This is a subject worth more attention. Would you elaborate please?
Best wishes,
Jim
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> Message text written by INTERNET:TomHopp@aol.com
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> " Excellent point. In addition to horrendous seismic quaking at the
> antipode,"
>
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> I don't think there would be a tremendous amount of seismic
> activity at the antipode -- S-waves can't travel through liquid, such as
> the outer core, and thus aren't transmitted _at_all_, and P-waves are
> refracted through the differing densities of various layers in the mantle
> and outer and inner cores, leaving few to propigate directly to the
> antipode.
>
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> Jerry D. Harris
> Fossil Preparation Lab
> New Mexico Museum of Natural History
> 1801 Mountain Rd NW
> Albuquerque NM 87104-1375
> Phone: (505) 899-2809
> Fax: (505) 841-2866
> 102354.2222@compuserve.com