[meteorite-list] New Ungrouped Achondrite - NWA 7822 - AD

From: Greg Hupé <gmhupe_at_meteoritecentral.com>
Date: Fri, 17 May 2013 16:50:23 -0400
Message-ID: <D932203B561E4EE9A6ECBC6DA01F4CB0_at_Gregor>

Dear List Members,

I would like to announce a new and unusual 'dunitic' Ungrouped Achondrite
meteorite that is almost entirely made up of olivine. It is NWA 7822 and was
discovered in the Sahara desert in late 2012 and subsequently purchased at
the 2013 Tucson Mineral Show.

The single stone weighing just 45.8 grams and almost completely covered in
shiny black fusion crust has similar dunitic olivine mineral signatures to
the Eagle Station pallasite, and oxygen isotope compositions are comparable
to both CV and Eagle Station meteorites.

Official Meteoritical Bulletin entry for NWA 7822:
http://www.lpi.usra.edu/meteor/metbull.php?code=57268

Since the meteorite was so small in size, there are only four slices
available. If you are interested, be quick to check them listed here:
http://www.naturesvault.net/meteorites/nwa7822.html

Have a great weekend!

Best Regards,
Greg

====================
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Received on Fri 17 May 2013 04:50:23 PM PDT