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Northwest Africa 10143
Basic information Name: Northwest Africa 10143
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10143
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 21.1 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  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 30 Jun 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10143 (NWA 10143)

(Northwest Africa)

Purchased: 2013 Sep

Classification: Carbonaceous chondrite (CV3)

History: Purchased by John Curchin in September 2013 from a Moroccan dealer at the Denver Show.

Petrography: (A. Irving and S. Kuehner, UWS) Mostly granular and some BO chondrules (average diameter 1.2 mm, up to 2.2 mm in diameter, some with concentric dust rims) plus amoeboid, fine grained CAI (up to 2.7 mm across) are set in a red-brown altered matrix. The proportion of matrix is 30 vol%.

Geochemistry: Olivine (Fa0.9-11.2, N = 4), orthopyroxene (Fs1.0-1.1Wo1.2-0.8, N = 2), clinopyroxene (Fs0.7-0.9Wo40.3-46.8, N = 2).

Classification: Carbonaceous chondrite (CV3).

Specimens: 4.26 g including one polished thin section at UWB. The remainder is held by Mr. J. Curchin.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Denver
Date:P 2013 Sep
Mass (g):21.1
Pieces:1
Class:CV3
Shock stage:S2
Weathering grade:W2/3
Fayalite (mol%):0.9-11.2
Ferrosilite (mol%):1.0-1.1
Wollastonite (mol%):1.2-0.8
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):4.26
Type spec location:UWB
Main mass:J. Curchin
Comments:JC15-5; 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. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/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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