Hi Tracy,
Yes, the meteorites that are actually called "Dunites" are believed to be
from Vesta and represent a piece of the puzzle that had seemed to be missing
from Vestan samples for years.
A very important find was made in the form of two NWA's... specifically NWA
2968 (Dunite) and NWA 3329 (Diogenite). The amazing thing is that these two
meteorites were found together with a few samples actually having both
lithologies, thereby linking these "Dunites" with Diogenites and therefore
strengthening the link with Vesta. Of course there is more to it than that
but that's my basic understanding of it. Try these links for some
interesting reading:
http://www.lpi.usra.edu/meetings/metsoc2006/pdf/5252.pdf
http://www.lpi.usra.edu/meetings/metsoc2010/pdf/5304.pdf
However, your point is also valid in regards to the Chassignites. The term
dunite generally refers to an olivine-rich rock which Chassignites are and
why they have been dubbed as Martian dunites in the past.
Cheers,
Jeff
----- Original Message -----
From: "tracy latimer" <daist...@hotmail.com>
Cc: <meteorite-list@meteoritecentral.com>
Sent: Thursday, April 07, 2011 5:31 PM
Subject: Re: [meteorite-list] List of meteorites from Vesta?
I had thought that dunites were Martian, like Chassigny. Have dunites been
identified from other sources?
Best!
Tracy Latimer
----------------------------------------
Date: Wed, 6 Apr 2011 22:58:02 -0400
From: meteoritem...@gmail.com
To: fips_br...@yahoo.de
CC: meteorite-list@meteoritecentral.com
Subject: Re: [meteorite-list] List of meteorites from Vesta?
Hi Regine,
All HEDOD meteorites are assumed to be Vestan in origin - Howardite,
Eucrite, Diogenite, Olivine diogenite, and Dunite. :)
Best regards,
MikeG
----------------------------------------------------------------------
Mike Gilmer - Galactic Stone & Ironworks Meteorites
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Facebook - http://www.facebook.com/galacticstone
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-----------------------------------------------------------------------
On 4/6/11, Regine Petersen wrote:
> Hi all,
>
> Is there a list of assumed Vesta meteorites?
>
> Regine
> ______________________________________________
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--
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Mike Gilmer - Galactic Stone & Ironworks Meteorites
Website - http://www.galactic-stone.com
Facebook - http://www.facebook.com/galacticstone
News Feed - http://www.galactic-stone.com/rss/126516
Twitter - http://twitter.com/galacticstone
EOM - http://www.encyclopedia-of-meteorites.com/collection.aspx?id=1564
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