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Northwest Africa 7261
Basic information Name: Northwest Africa 7261
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7261
Observed fall: No
Year found: 2010
Country: (Northwest Africa)
Mass:help 202 g
Classification
  history:
Meteoritical Bulletin:  MB 101  (2012)  CV3
Recommended:  CV3    [explanation]

This is 1 of 605 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 22 Aug 2012
Writeuphelp
Writeup from MB 101:

Northwest Africa 7261 (NWA 7261)

(Northwest Africa)

Purchased: 2010 Oct

Classification: Carbonaceous chondrite (CV3)

History: Purchased in October 2010 by Jack Schrader from a Moroccan dealer.

Petrography: Separated, well-formed chondrules (mostly granular, BO and PO, some with multiple concentric dust rims) and sparse irregularly-shaped, fine-grained CAIs set in a brown, partly altered matrix (rich in ferroan olivine with some stained opaque grains).

Geochemistry: Olivine (Fa0.4-33.6), orthopyroxene (Fs2.7-10.5Wo0.8-1.8), subcalcic augite (Fs1.5Wo39.9), augite (Fs11.2-12.5Wo47.1-48.7).

Classification: Carbonaceous chondrite (CV3).

Data from:
  MB101
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2010 Oct
Mass (g):202
Pieces:1
Class:CV3
Shock stage:S2
Weathering grade:low
Fayalite (mol%):0.4-33.6
Ferrosilite (mol%):2.7-10.5
Wollastonite (mol%):0.8-1.8
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20
Type spec location:UWB
Main mass:J. Schrader
Comments:JS12-2; 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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 101, MAPS 50, 1661, September 2015
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Mirko Graul      
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9013 approved meteorites from (Northwest Africa) (plus 1869 unapproved names)

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