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Northwest Africa 7632
Basic information Name: Northwest Africa 7632
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7632
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 47.1 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  CO3
Recommended:  CO3    [explanation]

This is 1 of 554 approved meteorites (plus 1 unapproved name) classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 6 Sep 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7632 (NWA 7632)

(Northwest Africa)

Purchased: 2012 Sep

Classification: Carbonaceous chondrite (CO3)

History: Purchased by Ralew in September 2012 from a dealer in Midelt, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Small chondrules with tiny (<0.4 mm) CAI and mineral fragments in a fairly sparse matrix.

Geochemistry: Olivine (Fa0.3-49.6; Cr2O3 in ferroan examples = 0.03-0.08 wt.%, mean 0.06, s.d. 0.02, N = 6), orthopyroxene (Fs0.8Wo1.0; Fs53.7Wo1.9), clinopyroxene (Fs2.0Wo43.0; Fs5.8Wo38.8), diopside (Fs0.2Wo50.3).

Classification: Carbonaceous chondrite (CO3).

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Midelt
Date:P 2012 Sep
Mass (g):47.1
Pieces:1
Class:CO3
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):0.3-49.6, n=8
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):9.5
Type spec location:UWB
Main mass:S. Ralew
Comments:Rudi-1; 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)
Ralew: Stefan Ralew, Kunibertstra├če 29, 12524 Berlin, Germany; Website (private address)
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 7368 approved meteorites from (Northwest Africa) (plus 1957 unapproved names)

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