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Northwest Africa 7671
Basic information Name: Northwest Africa 7671
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7671
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 73 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Mesosiderite
Recommended:  Mesosiderite    [explanation]

This is 1 of 273 approved meteorites classified as Mesosiderite.   [show all]
Search for other: Mesosiderites, Metal-rich meteorites
Comments: Approved 14 Nov 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7671 (NWA 7671)

(Northwest Africa)

Purchased: 2012 Dec

Classification: Mesosiderite

History: Purchased in Temara, Morocco by Adam Aaronson in December 2012.

Petrography: (A. Irving and S. Kuehner, UWS) The specimen contains large grains of metal (kamacite with taenite) with interstitial orthopyroxene, olivine, calcic plagioclase and chromite.

Geochemistry: Orthopyroxene (Fs26.6-28.3Wo2.5-4.2; FeO/MnO = 24-25), olivine (Fa29.4-29.9; FeO/MnO = 49-53).

Classification: Mesosiderite.

Specimens: 14.6 g of material is on deposit at UWB. The remaining material is held by Mr. A. Aaronson.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Temara
Date:P 2012 Dec
Mass (g):73
Pieces:1
Class:Mesosiderite
Shock stage:low
Weathering grade:low
Fayalite (mol%):29.4-29.9
Ferrosilite (mol%):26.6-28.3
Wollastonite (mol%):2.5-4.2
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):14.6
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1466; 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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
  This lists the most popular meteorites among people who looked up this meteorite.
Revision
  history:
  This lists important revisions made to data for this record.

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