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Northwest Africa 11610
Basic information Name: Northwest Africa 11610
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11610
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 28.21 kg
Meteoritical Bulletin:  MB 107  (2018)  CO3
Recommended:  CO3    [explanation]

This is 1 of 586 approved meteorites (plus 4 unapproved names) classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 20 Feb 2018
Writeup from MB 107:

Northwest Africa 11610 (NWA 11610)

(Northwest Africa)

Purchased: 2017 Jun

Classification: Carbonaceous chondrite (CO3)

History: Purchased by Ke Zuokai in June 2017 from Moroccan dealer Habib Naji.

Petrography: (A. Irving and S. Kuehner, UWS) Well-formed small chondrules (apparent diameter 220±110 µm, N = 18), angular mineral fragments and sparse very fine grained CAI are set in a finer grained matrix (brown in thin section).

Geochemistry: Olivine (Fa0.2-41.0, Cr2O3 in ferroan examples 0.06-0.27 wt.%, mean 0.12±0.08 wt.%, N = 8), orthopyroxene (Fs2.3-23.2Wo0.8-0.9, N = 3), clinopyroxene (Fs0.7-4.5Wo42.2-41.0, N = 2). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.07.

Classification: Carbonaceous chondrite (CO3).

Specimens: 40.1 g including one polished thin section at UWB; main mass with Mr. K. Zuokai.

Data from:
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2017 Jun
Mass (g):28208
Shock stage:S2
Weathering grade:low
Fayalite (mol%):0.2-41.0
Ferrosilite (mol%):2.3-23.2
Wollastonite (mol%):0.8-0.9
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):40.1
Type spec location:UWB
Main mass:K. Zuokai
Comments:Work name 507-A; 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)
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 7937 approved meteorites from (Northwest Africa) (plus 1960 unapproved names)

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