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Northwest Africa 12963
Basic information Name: Northwest Africa 12963
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12963
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 185 g
Classification
  history:
Recommended:  Eucrite-cm    [explanation]

This is 1 of 45 approved meteorites classified as Eucrite-cm.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 29 Nov 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12963 (NWA 12963)

(Northwest Africa)

Purchased: 2019 May

Classification: HED achondrite (Eucrite, cumulate)

Petrography: (J. Gattaccecan, CEREGE) Brecciated igneous rock. Main minerals are mm-sized pyroxene and plagioclase. Other minerals include Fe,Ni metal, troilite, chromite (to 100 µm).

Geochemistry: Low-Ca pyroxene Fs33.3±0.4Wo3.4±0.5, FeO/MnO=30.5 (n=3). Plagioclase An93Ab6.7Or0.2 (n=2). Chromite Cr# 0.81.

Classification: achondrite, eucrite

Specimens: Type specimen and a polished section at CEREGE. Main mass with Kuntz.

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Zagora, Morocco
Date:P 2019 May
Mass (g):185
Pieces:1
Class:Eucrite-cm
Ferrosilite (mol%):33.3±0.4 (n=3)
Wollastonite (mol%):3.4±0.5
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):20.3
Type spec location:CEREGE
Main mass:Kuntz
Comments:work name K431; submitted by Jérôme Gattacceca
Institutions
   and collections
CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 29 Oct 2018)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7048 approved meteorites from (Northwest Africa) (plus 1998 unapproved names)

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