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Northwest Africa 2676
Basic information Name: Northwest Africa 2676
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 2676
Observed fall: No
Year found: 2004
Country: Morocco
Mass:help 510 g
Classification
  history:
Meteoritical Bulletin:  MB 99  (2011)  Mesosiderite
Recommended:  Mesosiderite    [explanation]

This is 1 of 188 approved meteorites classified as Mesosiderite.   [show all]
Search for other: Mesosiderites, Metal-rich meteorites
Comments: Approved 21 Sep 2010
Writeuphelp
Writeup from MB 99:

Northwest Africa 2676 (NWA 2676)

Morocco

Found: 2004

Classification: Mesosiderite

Petrography: Low-Ca pyroxene is pigeonitic; Fs27Wo 5.7 (n=5) ranges: Fs25.3-28.6Wo1.1-9.5. Plagioclase is anorthitic, mean: An94.0Or 0.28 (n=5) ranges: An93.3-94.5, Or0.24-0.33. The rock also contains silica with an open structure (high content of minor elements). Approximate proportions: 70% pyroxene, 25% plagioclase, 5% silica. Metal: silicate ratio is about 50:50 by volume

Geochemistry: Co (mg/g) 4.67, Ni (mg/g) 83.9, Ga (µg/g) 12.4, Ge (µg/g) <100, As (µg/g) 9.71, Ir (µg/g) 4.34, Au (µg/g) 1.036

Submitter: J. T. Wasson, UCLA.

Data from:
  MB99
  Table 0
  Line 0:
Place of purchase:Tucson
Date:2004
Mass (g):510
Pieces:1
Class:Mesosiderite
Classifier:Wasson
Type spec mass (g):28
Type spec location:UCLA
Main mass:Birdsell
Comments:Submitted by Wasson
Institutions
   and collections
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
Birdsell: Arizona Skies Meteorites, P.O. Box 2412, Flagstaff, AZ 86003, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1405 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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