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Northwest Africa 10654
Basic information Name: Northwest Africa 10654
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10654
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 22.9 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  CO3
Recommended:  CO3    [explanation]

This is 1 of 515 approved meteorites classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 24 May 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10654 (NWA 10654)

(Northwest Africa)

Purchased: 2015 Dec

Classification: Carbonaceous chondrite (CO3)

History: Purchased by Xavier Gonzales in December 2015 from a dealer in Agadir, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Small chondrules (apparent diameter 150±100 μm), mineral fragments and very fine grained CAI set in a dark brown matrix (~30 vol.%).

Geochemistry: Olivine (Fa0.2-60.7; Cr2O3 in ferroan examples 0.26-0.36 wt.%, mean 0.31±0.03 wt.%, N = 8), orthopyroxene (Fs1.5-14.8Wo0.9-2.1, N = 3), clinopyroxene (Fs1.1-1.8Wo38.0-41.1).

Classification: Carbonaceous chondrite (CO3).

Specimens: 5.71 g including one polished thin section at PSF; remainder with Mr. X. Gonzales.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Agadir
Date:P 2015 Dec
Mass (g):22.9
Pieces:1
Class:CO3
Shock stage:S2
Weathering grade:low
Fayalite (mol%):0.2-60.7
Ferrosilite (mol%):1.5-14.8
Wollastonite (mol%):0.9-2.1
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):5.71
Type spec location:PSF
Main mass:X. Gonzales
Comments:K287; submitted by A. Irving
Institutions
   and collections
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 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 6900 approved meteorites from (Northwest Africa) (plus 2035 unapproved names)

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