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Northwest Africa 2247
Basic information Name: Northwest Africa 2247
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 2247
Observed fall: No
Year found: 2003
Country: (Northwest Africa)
Mass:help 8.6 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 425 approved meteorites classified as Eucrite-pmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Writeuphelp
Writeup from MB 88:

Northwest Africa 2247

Northwest Africa

Purchased 2003 January 1

Achondrite (eucrite, polymict)

A fully crusted stone (8.6 g) was purchased by M. Zicaro. Classification and mineralogy (M. Bourot-Denise, MNHNP): overall grain size is rather fine; monocrystalline diogenitic clasts, fine basaltic clasts of pigeonite with augite exsolutions, SiO2-troilite-rich clasts. Matrix essentially consists of pyroxene (Fs21.8) and plagioclase (An72.3-90.0); abundant chromite-ilmenite associations; rare, small Fe-Ni metal grains. Low shock stage, weathering grade W1. Specimens: type specimen 1.7 g, MNHNP; main mass with buyer.

Data from:
  MB88
  Table 4
  Line 174:
Origin or pseudonym:Morocco
Date:P 1 Jan 2003
Mass (g):8.6
Pieces:1
Class:Euc pm
Shock stage:S2
Weathering grade:W1
Ferrosilite (mol%):21.8
Classifier:M. Bourot-Denise, MNHNP. Magnetic measurements by P. Rochette, CEREGE, Marseille
Type spec mass (g):1.7
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)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9921 approved meteorites from (Northwest Africa) (plus 1838 unapproved names)

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