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Northwest Africa 2286
Basic information Name: Northwest Africa 2286
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 2286
Observed fall: No
Year found: 2003
Country: Morocco
Mass:help 82 g
Classification
  history:
Meteoritical Bulletin:  MB 89  (2005)  Diogenite-olivine
MetBase:  v. 7.1  (2006)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 347 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Writeuphelp
Writeup from MB 89:

Northwest Africa 2286

Northwest Africa

Purchased 2003

Achondrite (olivine-rich diogenite)

A single stone of 82 g was found 2003 by an anonymous finder in the Occidental Sahara and purchased in 2003 in Morocco. Classification and mineralogy (A. Greshake, MNB): is dominated by large blocky orthopyroxene crystals and ~20% large olivine phenocrysts; minor phases include FeS, and Fe-Al-Cr-spinel; orthopyroxene, Fs21.9Wo1.5, olivine, Fa26.8; low degree of shock; moderately to strongly weathered and very friable; most likely paired with NWA 1877. Specimens: main mass with anonymous finder; type specimen 23.5 g plus one polished thin section MNB.

Data from:
  MB89
  Table 7
  Line 169:
Origin or pseudonym:Morocco
Date:2003
Mass (g):82
Pieces:1
Class:Dio
Weathering grade:moderate
Fayalite (mol%):26.8
Ferrosilite (mol%):21.9
Classifier:A. Greshake, MNB
Type spec mass (g):23.5
Main mass:Peter Marmet, Bern, Switzerland
Comments:see separate entry
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, Germany (institutional address)
Bern: University of Bern, University of Bern, Hochschulstrasse 4, CH-3012 Bern, Switzerland (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Meteorites Australia   
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
bphd   
Robert Zdancewicz   
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 941 approved meteorites from Morocco (plus 8 unapproved names)

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