[meteorite-list] NWA 8744 Shock-melted Diogenite Breccia - AD

From: Greg Hupé <gmhupe_at_meteoritecentral.com>
Date: Thu, 26 Mar 2015 15:52:51 -0400
Message-ID: <E6AAE00A973F44B68775A4852FB37746_at_Gregor>

Dear Diogenite Lovers,

You will be shocked to see these exceptional specimens from NWA 8744, a
highly Shock-melted Diogenite Breccia.

NWA 8744 is a rare example of a highly shocked and vesiculated diogenite
breccia. Among the numerous small vesicles, a huge 16mm x 42mm 'vug' was
discovered in the 1356-gram stone and can be seen in the majority of slices
as an oval 'hole' in the slices. The vesicles are primarily located in the
gray melt zones and along the boundaries along the less-melted matrix zones.

This exciting new meteorite is classified as a melt-matrix breccia
consisting of clasts of orthopyroxenitic diogenite, feldspathic diogenite
and noritic diogenite plus related crystalline debris within a predominant,
very fine grained, vesicular matrix. All orthopyroxene is turbid and pale
clove brown in thin section and is notably ferroan; calcic plagioclase
(anorthite) is polycrystalline. Some orthopyroxene contains irregular
"patches" of clinopyroxene. Accessory phases are chromite, olivine and minor
troilite blebs in orthopyroxene.

To see all that are available, please go to my Nature's Vault web site here:
http://www.naturesvault.net/meteorites/nwa8744.html

Thank you for looking, and if you are interested in purchasing one of these
affordably-priced specimens, please do not hesitate!

Best Regards,
Greg

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Received on Thu 26 Mar 2015 03:52:51 PM PDT