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Northwest Africa 10977
Basic information Name: Northwest Africa 10977
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10977
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 280 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  CV3
Recommended:  CV3    [explanation]

This is 1 of 536 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 17 Dec 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10977 (NWA 10977)

(Northwest Africa)

Purchased: 2016 Aug

Classification: Carbonaceous chondrite (CV3)

History: Purchased by John Shea in August 2016 from Gary Fujihara, who obtained the stone from a Moroccan dealer in 2009.

Petrography: (A. Irving and S. Kuehner, UWS) Granular chondrules (some with multiple, concentric rims; apparent diameter 600±400 μm, several larger than 3 mm) and fine to coarse grained CAI are set within a fine grained matrix (~30 vol.%, deep orange in thin section).

Geochemistry: Olivine (Fa1.0-60.9, N = 3), orthopyroxene (Fs0.5-0.8Wo0.8-0.9, N = 3), clinopyroxene (Fs1.0-1.1Wo34.7-39.6, N = 2).

Classification: Carbonaceous chondrite (CV3).

Specimens: 21.3 g including one polished thin section at UWB; remainder with Mr. J. Shea.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Hilo, Hawaii
Date:P 2016 Aug
Mass (g):279.6
Pieces:1
Class:CV3
Shock stage:S2
Weathering grade:low
Fayalite (mol%):1.0-60.9
Ferrosilite (mol%):0.5-0.8
Wollastonite (mol%):0.8-0.9
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):21.3
Type spec location:UWB
Main mass:J. Shea
Comments:Shea 16-4; 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. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7328 approved meteorites from (Northwest Africa) (plus 1973 unapproved names)

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