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Northwest Africa 3159
Basic information Name: Northwest Africa 3159
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 3159
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass:help 397 g
Classification
  history:
Meteoritical Bulletin:  MB 91  (2007)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 508 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 3159

Morocco or Algeria

Find: August 2005

Achondrite (eucrite)

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

Physical characteristics: Seven stones with a total weight of 397 g.

Petrography: (A. Irving and S. Kuehner, UWS) Monomict breccia composed of rock and mineral clasts. Plagioclase, exsolved pigeonite, silica polymorph, troilite, chromite, and ilmenite (one grain with a very tiny zircon inclusion).

Mineral compositions and geochemistry: Plagioclase (An87.5–89.0Or0.4); pyroxene grains consist of host orthopyroxene (Fs61.1–62.0Wo2.0–2.1; FeO/MnO = 30.9–34.1) with exsolution lamellae of clinopyroxene (Fs25.8–26.8 Wo43.0–43.9; FeO/MnO = 28.4–34.4).

Classification: Achondrite (eucrite breccia).

Type specimens: A total of 20.14 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 152:
Place of purchase:Rissani, Morocco
Date:2005 Aug
Mass (g):397
Pieces:1
Class:Euc
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.14
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)
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Meteorites Australia   
The Hupe Collection         
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
boborit      
Gerald Armstrong   
tett   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7810 approved meteorites from (Northwest Africa) (plus 1971 unapproved names)

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