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Last update: 16 Nov 2019
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Northwest Africa 7091
Basic information Name: Northwest Africa 7091
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7091
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass:help 76 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  L4/5
Recommended:  L4/5    [explanation]

This is 1 of 74 approved meteorites (plus 1 unapproved name) classified as L4/5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 6 Mar 2012
Data from:
  MB100
  Table 1
  Line 1619:
Place of purchase:St. Marie aux Mines, France
Date:P 2011
Mass (g):76
Pieces:1
Class:L4/5
Shock stage:S2
Weathering grade:W2/3
Fayalite (mol%):23.7
Ferrosilite (mol%):19.9
Classifier:Ansgar Greshake, MNB
Type spec mass (g):18.4
Type spec location:MNB
Main mass:H. Strufe
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, Germany (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7009 approved meteorites from (Northwest Africa) (plus 2002 unapproved names)

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