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Northwest Africa 11850
Basic information Name: Northwest Africa 11850
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11850
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 147 g
Classification
  history:
Meteoritical Bulletin:  MB 107  (2018)  CV3
Recommended:  CV3    [explanation]

This is 1 of 481 approved meteorites (plus 2 unapproved names) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 4 Jul 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11850 (NWA 11850)

(Northwest Africa)

Purchased: 2017 Sep

Classification: Carbonaceous chondrite (CV3)

History: Purchased by Fabien Kuntz in September 2017 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Irreglarly shaped to rounded chondrules (mostly granular, some BO; apparent diameter 890±350 µm, N = 18) and very fine grained, amoeboid CAI are set in a fine grained matrix (~40 vol.%, black in thin section).

Geochemistry: Olivine (Fa0.6-58.7, N = 3), orthopyroxene (Fs2.5-15.1Wo0.4-1.5, N = 3), clinopyroxene (Fs9.3-12.5Wo39.6-37.4, N = 2).

Classification: Carbonaceous chondrite (CV3).

Specimens: 21.62 g including one polished thin section at UWB; remainder with Kuntz.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2017 Sep
Mass (g):147
Pieces:1
Class:CV3
Shock stage:S2
Weathering grade:low
Fayalite (mol%):0.6-58.7
Ferrosilite (mol%):1.7-4.1
Wollastonite (mol%):1.2-1.3
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):21.62
Type spec location:UWB
Main mass:F. Kuntz
Comments:Work name K373; 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. 107, MAPS 55, 460-462
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names)

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