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Northwest Africa 6271
Basic information Name: Northwest Africa 6271
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6271
Observed fall: No
Year found: 2010
Country: (Northwest Africa)
Mass:help 54.5 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  Mesosiderite
Recommended:  Mesosiderite    [explanation]

This is 1 of 213 approved meteorites classified as Mesosiderite.   [show all]
Search for other: Mesosiderites, Metal-rich meteorites
Comments: Approved 19 Sep 2011
Writeuphelp
Writeup from MB 100:

Northwest Africa 6271 (NWA 6271)

(Northwest Africa)

Purchased: 12 Feb 2010

Classification: Mesosiderite

Petrography: (A. Irving and S. Kuehner, UWS): Aggregate of orthopyroxene, clinopyroxene, altered kamacite, taenite, calcic plagioclase, and troilite.

Geochemistry: Orthopyroxene (Fs33.1-33.2Wo3.3-2.9; FeO/MnO = 24.1-26.8), clinopyroxene (Fs14.0-15.2Wo43.2-43.9; FeO/MnO = 19.1-20.8).

Data from:
  MB100
  Table 1
  Line 1318:
Origin or pseudonym:Northwest Africa
Place of purchase:Bruegg, Switzerland
Date:P 12 Feb 2010
Mass (g):54.5
Pieces:1
Class:Mesosiderite
Weathering grade:moderate
Ferrosilite (mol%):33.2
Wollastonite (mol%):3.1
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):12.7
Type spec location:UWS
Main mass:M. Jost
Comments: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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

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

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