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Northwest Africa 2246
Basic information Name: Northwest Africa 2246
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 2246
Observed fall: No
Year found: 2003
Country: (Northwest Africa)
Mass:help 11.8 g
Classification
  history:
Meteoritical Bulletin:  MB 88  (2004)  Eucrite-pmict
MetBase:  v. 7.1  (2006)  Eucrite-pmict
Recommended:  Eucrite-pmict    [explanation]

This is 1 of 408 approved meteorites classified as Eucrite-pmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Writeuphelp
Writeup from MB 88:

Northwest Africa 2246

Northwest Africa

Purchased 2003 January 1

Achondrite (eucrite, polymict)

A mass of 11.8 g was purchased by M. Zicaro. Classification and mineralogy (M. Bourot-Denise, MNHNP): a homogeneous matrix contains orthopyroxene clasts of slightly larger grain size and basaltic-textured clasts, along with a few silica patches. The most abundant pyroxene is pigeonite (Fs22.5) generally containing augite lamellae. Plagioclase An77.8-90.8. Low shock stage, weathering grade W1. Specimens: type specimen 2.5 g, MNHNP; main mass with buyer.

Data from:
  MB88
  Table 4
  Line 173:
Origin or pseudonym:Morocco
Date:P 1 Jan 2003
Mass (g):11.8
Pieces:1
Class:Euc pm
Shock stage:S2
Weathering grade:W1
Ferrosilite (mol%):22.5
Classifier:M. Bourot-Denise, MNHNP. Magnetic measurements by P. Rochette, CEREGE, Marseille
Type spec mass (g):2.5
Type spec location:MNHN
Institutions
   and collections		 CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 10 Jun 2023)
MNHNP: Museum National d'Histoire Naturelle, IMPMC-CP52, 57 rue Cuvier, 75005 Paris, France, France; Website (institutional address)
MNHN: Museum National d'Histoire Naturelle, IMPMC-CP52, 57 rue Cuvier, 75005 Paris, France, France; Website (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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