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Re: SNC Meteorite Origins
- To: meteorite-list@meteoritecentral.com
- Subject: Re: SNC Meteorite Origins
- From: Ron Baalke <BAALKE@kelvin.jpl.nasa.gov>
- Date: Mon, 4 Oct 1999 2:32:17 GMT
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- Resent-Date: Sun, 3 Oct 1999 22:33:14 -0400 (EDT)
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- Resent-Message-ID: <BqOJaC.A.DsE.1GB-3@mu.pair.com>
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>
>If I read this right they are suggesting a single impact on Mars for the
>origin of all of the Mars Meteorites. Just fairly recently
>Dr. Lipschutz did a paper on the SNCs that suggest not only have collisions
>delivered material from Mars, that some if not all of the meteorites are
>unique and do a sampling of the different areas on Mars. I'll post the
>paper here on this for your reading pleasure.
The Mars meteorites have been classified into 4 groups (or 5 groups, depending
who you talk to), and their ages vary, so it is clear that the Mars
meteorites do not come from a single impact. This is just another piece
to the puzzle that Zagami and Chassigny did not come from the same meteor
stream.
Ron Baalke
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