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Northwest Africa 8126
Basic information Name: Northwest Africa 8126
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8126
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 51 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  CO3
Recommended:  CO3    [explanation]

This is 1 of 554 approved meteorites (plus 1 unapproved name) classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 27 Jan 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 8126 (NWA 8126)

(Northwest Africa)

Purchased: 2013 Feb

Classification: Carbonaceous chondrite (CO3)

History: Purchased by S. Vasiliev and M. Jost in February 2013 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Small chondrules, mineral fragments and CAI are present in a dark brown, anhydrous matrix. Minerals are olivine, orthopyroxene, pigeonite, subcalcic augite, troilite and rare taenite. One small aggregate of djerfisherite grains was found.

Geochemistry: Olivine (Fa0.9-57.3; Cr2O3 in ferroan examples is 0.19-0.43 wt.%, mean 0.30 wt.%, s.d. 0.10 wt.%, N = 9), orthopyroxene (Fs1.1-15.7Wo0.9-3.2, N = 3), pigeonite (Fs15.9Wo10.3), subcalcic augite (Fs0.9-25.3Wo39.9-36.8).

Classification: Carbonaceous chondrite (CO3).

Specimens: 10.5 g including one polished thin section at UWB. The remaining material is held jointly by S. Vasiliev and M. Jost.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2013 Feb
Mass (g):51
Pieces:1
Class:CO3
Shock stage:S2
Weathering grade:moderate
Fayalite (mol%):0.9-57.3
Ferrosilite (mol%):1.1-15.7
Wollastonite (mol%):0.9-3.2
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):10.5
Type spec location:UWB
Main mass:S. Vasiliev & M. Jost
Comments:SVMJ09; 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 7377 approved meteorites from (Northwest Africa) (plus 1955 unapproved names)

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