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Northwest Africa 3162
Basic information Name: Northwest Africa 3162
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 3162
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass:help 60 g
Classification
  history:
Meteoritical Bulletin:  MB 91  (2007)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 515 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 1 Sep 2006
Writeuphelp
Writeup from MB 91:

Northwest Africa 3162

Morocco or Algeria

Find: August 2005

Achondrite (eucrite)

History: Purchased in August 2005 by Greg Hupé from a Moroccan dealer in Ouarzazate.

Physical characteristics: A complete 60 g sample with fresh, thin, black fusion crust.

Petrography: (A. Irving and S. Kuehner, UWS) Unbrecciated, ophitic-textured assemblage of exsolved pigeonite, plagioclase, silica polymorph, ilmenite, troilite, and metal (with very minor rusting).

Mineral compositions: Plagioclase (An87.8–88.1); pyroxene grains consist of augite (Fs35.6Wo30.6: FeO/MnO = 31.3), with exsolution lamellae of orthopyroxene (Fs56.6Wo4.8; FeO/MnO = 31.0); metal is Ni-free.

Classification: Achondrite (basaltic eucrite).

Type specimens: A total of 12.2 g of sample and one polished thin section are on deposit at UWS. G. Hupé holds the main mass.

Data from:
  MB91
  Table 2
  Line 154:
Date:2005 Aug
Mass (g):60
Pieces:1
Class:Euc
Weathering grade:minimal
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):12.2
Type spec location:UWS
Main mass:G. Hupé
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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 91, MAPS 42, 413-466 (2007)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Don Edwards   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7912 approved meteorites from (Northwest Africa) (plus 1974 unapproved names)

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