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Northwest Africa 1646
Basic information Name: Northwest Africa 1646
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 1646
Observed fall: No
Year found: 2002
Country: (Northwest Africa)
Mass:help 259 g
Classification
  history:
Meteoritical Bulletin:  MB 87  (2003)  Eucrite-cm
MetBase:  v. 7.1  (2006)  Eucrite-cm
Recommended:  Eucrite-cm    [explanation]

This is 1 of 54 approved meteorites classified as Eucrite-cm.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Writeuphelp
Writeup from MB 87:

Northwest Africa 1646

Morocco

Purchased 2002 October

Achondrite (eucrite, cumulate)

A complete fusion-crusted stone (259 g) was purchased from a Moroccan dealer by A. and G. Hupé (xHupé). Classification and mineralogy (A. Irving and S. Kuehner, UWS): Fine-grained with clasts of anorthite, exsolved pigeonite, chromite, ilmenite, metal, troilite and silica in a complex matrix which has the texture of a eutectoid melt of plagioclase + pyroxene. FeO/MnO is 32.8 for orthopyroxene and 34.8 for clinopyroxene. Veinlets of glass probably are quenched impact melt. Specimens: type specimen, 20 g, and one polished thin section, UWS; main mass, xHupé.

Data from:
  MB87
  Table 8
  Line 210:
Place of purchase:Zagora
Date:P Sep 2002
Mass (g):259
Pieces:1
Class:Euc cm
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20
Main mass: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)
xHupé: (old address—now see GHupé or AHupé) G. and A. Hupe, 2616 Lake Youngs Court SE, Renton, WA 98058., United States (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 87, MAPS 38, A189-A248 (2003)
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Don Edwards   
Shinishi Kato   
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Andreas Grünemeyer   
Woreczko Jan & Wadi   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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