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Northwest Africa 7507
Basic information Name: Northwest Africa 7507
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7507
Observed fall: No
Year found: 2003
Country: (Northwest Africa)
Mass:help 35.1 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  L5
Recommended:  L5    [explanation]

This is 1 of 7220 approved meteorites (plus 4 unapproved names) classified as L5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 26 Feb 2013
Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2003
Mass (g):35.1
Pieces:1
Class:L5
Shock stage:S2
Weathering grade:W1-2
Fayalite (mol%):25.1-25.2
Ferrosilite (mol%):21.1-21.4; 7.5-10.4
Wollastonite (mol%):1.1-1.7; 44.9-43.9
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):13.4
Type spec location:UWB
Main mass:P. Mani
Comments:PCM12-11; Sparse chondrules and relatively low content of altered metal; 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, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
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 7912 approved meteorites from (Northwest Africa) (plus 1974 unapproved names)

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