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Northwest Africa 7166
Basic information Name: Northwest Africa 7166
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7166
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass:help 40 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  CV3
Recommended:  CV3    [explanation]

This is 1 of 504 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 18 Feb 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 7166 (NWA 7166)

(Northwest Africa)

Purchased: 2011

Classification: Carbonaceous chondrite (CV3)

History: Purchased by Marcin Cimala in 2011 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Separated, granular chondrules plus CAI are set in a finer grained, orange to red-brown matrix. Some CAI consist of Ti-Al-rich clinopyroxene, K-bearing nepheline, ilmenite and troilite with a partial chlorapatite rim.

Geochemistry: Olivine (Fa1.0-38.2, N = 3), orthopyroxene (Fs2.7-8.0Wo0.8-2.2 N = 3), subcalcic augite (Fs22.0Wo22.5).

Classification: Carbonaceous chondrite (CV3).

Specimens: 8.7 g including one polished thin section at PSF; main mass with Mr. M. Cimala.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2011
Mass (g):40
Pieces:1
Class:CV3
Shock stage:S2
Weathering grade:W1/2
Fayalite (mol%):1.0-38.2 (N=3)
Ferrosilite (mol%):2.7-8.0
Wollastonite (mol%):0.8-2.2
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):8.7
Type spec location:PSF
Main mass:M. Cimala
Comments:MC 091; submitted by P. Sipiera
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. 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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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Mirko Graul                                 
The Wilcox Collection of Meteorites         
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6916 approved meteorites from (Northwest Africa) (plus 2027 unapproved names)

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