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An MPOD Classic from from 28 July 2016


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NWA 10256   contributed by Geoff Notkin/Aerolite Meteorites, IMCA 4242   MetBul Link


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Photo by Christian Meza/Aerolite Meteorites.   Copyright (c) Copyright Aerolite Meteorites.
6.4 grams. 43 x 37 x 2 mm.   CR2

TKW 707 grams. Fall not observed. Purchased February 2015.

Geoff writes:
With a small total known weight of 707.3 grams, Aerolite acquired six identical appearing full stones with smooth abraded fusion crust. A saw cut reveals many distinct chondrules of variable size set in a dark-gray groundmass.

This rare, newly classified CR2 is thought to have been heated at higher temperatures as compared to other carbonaceous chondrites (CI/CM) and formed in an aqueous environment. NWA 10256 is an Aerolite exclusive!
 


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John Divelbiss

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John Divelbiss
 7/30/2022 10:05:07 AM		 agreed Jason...I have a part slice of this meteorite and it is loaded with CAI's and looks nothing like a CR.
Jason Utas
 7/28/2022 4:18:22 PM		 NWA 10256 contains abundant CAIs and appears to be fairly fresh, yet has practically no free metal. It's not a CR2. The analytical data submitted with its classification are consistent with it being a CV3. NWA 10256 is a CV3. Its classification should be corrected. It also appears to be paired with NWA 10589, published as a CV3.
 

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