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Northwest Africa 7275
Basic information Name: Northwest Africa 7275
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7275
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 197 g
Classification
  history:
Meteoritical Bulletin:  MB 101  (2012)  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 22 Aug 2012
Writeuphelp
Writeup from MB 101:

Northwest Africa 7275 (NWA 7275)

(Northwest Africa)

Purchased: 2012 Feb

Classification: Carbonaceous chondrite (CV3)

History: Purchased by Thomas Webb from a dealer in Agadir, Morocco, in 2012 February.

Petrography: Fairly closely-packed, ellipsoidal to irregularly-shaped chondrules and elongated, fine-grained CAIs in a dark brown, very fine grained matrix (~25 vol%). Chondrules have granular textures and some have finer grained rims. Both chondrules and CAI exhibit a preferred orientation of their long axes.

Geochemistry: Olivine (Fa1.1-46.9), orthopyroxene (Fs2.1-2.3Wo0.7-1.0), clinopyroxene (Fs2.6Wo40.7).

Classification: Carbonaceous chondrite (CV3).

Data from:
  MB101
  Table 0
  Line 0:
Place of purchase:Agadir
Date:P 2012 Feb
Mass (g):197
Pieces:1
Class:CV3
Shock stage:S2
Weathering grade:low
Fayalite (mol%):1.1-46.9
Ferrosilite (mol%):2.1-2.3
Wollastonite (mol%):0.7-1.0
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):24
Type spec location:UWB
Main mass:TWebb
Comments:TW19; 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)
TWebb: No contact information provided., United States (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 101, MAPS 50, 1661, September 2015
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

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

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