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Northwest Africa 8267
Basic information Name: Northwest Africa 8267
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8267
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 64.3 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  CM2
Recommended:  CM2    [explanation]

This is 1 of 641 approved meteorites classified as CM2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites
Comments: Approved 27 Jan 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 8267 (NWA 8267)

(Northwest Africa)

Purchased: 2014 Jan

Classification: Carbonaceous chondrite (CM2)

History: Purchased by F. Kuntz in January 2014 from a dealer in Rissani, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Very small (0.4±0.2 mm) chondrules, mineral fragments and sparse CAI in a deep brown, very fine grained matrix containing cronstedtite and pentlandite.

Geochemistry: Olivine (Fa0.4-40.0, N = 3), orthopyroxene (Fs0.8-0.9Wo1.0-3.2, N = 3), clinopyroxene (Fs1.2-3.7Wo36.5-41.4).

Classification: Carbonaceous chondrite (CM2).

Specimens: 13.4 g including one polished thin section at UWB. The remaining material is held by Kuntz.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Rissani
Date:P 2014 Jan
Mass (g):64.3
Pieces:many
Class:CM2
Shock stage:S2
Weathering grade:low
Fayalite (mol%):0.4-40.0
Ferrosilite (mol%):0.8-0.9
Wollastonite (mol%):1.0-3.2
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):13.4
Type spec location:UWB
Main mass:F. Kuntz
Comments:K208; 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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Wojciech Moscinski   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9921 approved meteorites from (Northwest Africa) (plus 1838 unapproved names)

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