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Northwest Africa 12268
Basic information Name: Northwest Africa 12268
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12268
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 743 g
Meteoritical Bulletin:  MB 107  (2018)  CV3
Recommended:  CV3    [explanation]

This is 1 of 602 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 11 Dec 2018
Writeup from MB 107:

Northwest Africa 12268 (NWA 12268)

(Northwest Africa)

Purchased: 2018 Jun

Classification: Carbonaceous chondrite (CV3)

History: Purchased by Craig Zlimen in June 2018 from a Moroccan dealer.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Well-formed granular chondrules (apparent diameter 950 ± 450 µm, N = 22) plus amoeboid to irregular, fine grained CAI are set in a very fine grained matrix (~30 vol.%, black in thin section).

Geochemistry: Olivine (Fa0.8-53.0, N = 6), orthopyroxene (Fs0.7-2.4Wo1.0-1.2, N = 2), clinopyroxene (Fs1.0-1.7Wo37.9-38.3, N = 2).

Classification: Carbonaceous chondrite (CV3).

Specimens: 24.5 g including one polished thin section at UWB; remainder with Mr. C. Zlimen.

Data from:
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2018 Jun
Mass (g):743
Shock stage:low
Weathering grade:low
Fayalite (mol%):0.8-53.0
Ferrosilite (mol%):0.7-2.4
Wollastonite (mol%):1.0-1.2
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):24.5
Type spec location:UWB
Main mass:C. Zlimen
Comments:Work name ZLI03; submitted by A. Irving
   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)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
References: Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
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     This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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