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Northwest Africa 7263
Basic information Name: Northwest Africa 7263
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7263
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 100 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 520 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 6 Sep 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7263 (NWA 7263)

(Northwest Africa)

Purchased: 2012 Mar

Classification: HED achondrite (Eucrite)

History: Purchased in Temara, Morocco by Aaronson in 2012 March.

Petrography: (A. Irving and S. Kuehner, UWS) Relatively coarse grained plutonic assemblage of exsolved pigeonite, calcic plagioclase, silica polymorph, ilmenite and troilite.

Geochemistry: Exsolution lamellae of augite (Fs21.7-23.8Wo42.0-39.4, FeO/MnO = 30-32) within host orthopyroxene (Fs49.3-51.1Wo3.2-1.7, FeO/MnO = 25-31).

Classification: Eucrite (gabbroic).

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Temara
Date:P 2012 Mar
Mass (g):100
Pieces:1
Class:Eucrite
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):1.7-23.8; 49.3-51.1
Wollastonite (mol%):42.0-39.4; 3.2-1.7
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1354; submitted by A. Irving
Institutions
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7937 approved meteorites from (Northwest Africa) (plus 1960 unapproved names)

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