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Northwest Africa 7667
Basic information Name: Northwest Africa 7667
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7667
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 172 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  L4
Recommended:  L4    [explanation]

This is 1 of 1709 approved meteorites (plus 24 unapproved names) classified as L4.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 26 Feb 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7667 (NWA 7667)

(Northwest Africa)

Purchased: 2012 Dec

Classification: Ordinary chondrite (L4)

History: Purchased in Temara, Morocco by Adam Aaronson in December 2012.

Petrography: (A. Irving and S. Kuehner, UWS) Well-developed, closely-packed, medium-sized chondrules.

Geochemistry: Olivine (Fa23.0-23.8), orthopyroxene (Fs20.1-20.2Wo0.4; some cores Fs12.4Wo0.3), pigeonite (Fs15.9Wo18.1), augite (Fs7.7Wo45.0).

Classification: Ordinary chondrite (L4).

Specimens: Type sample and polished thin section at UWB. Main mass with Aaronson.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Temara
Date:P 2012 Dec
Mass (g):172
Pieces:1
Class:L4
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):23.0-23.8
Ferrosilite (mol%):20.1-20.2
Wollastonite (mol%):0.4
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):24
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1459; 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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