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Northwest Africa 7577
Basic information Name: Northwest Africa 7577
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7577
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 31 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  H3
Recommended:  H3    [explanation]

This is 1 of 594 approved meteorites (plus 2 unapproved names) classified as H3.   [show all]
Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 1 Jan 2013
Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2012
Mass (g):31
Pieces:1
Class:H3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):15.8±13.2 (0.5-32.2, n=32)
Ferrosilite (mol%):10.7±8 (1.5-22.7, n=39)
Classifier:A. Greshake, MNB
Type spec mass (g):6.5
Type spec location:MNB
Main mass:Hanno Strufe
Comments:Mean chondrule diameter is about 0.4 mm, abundant FeNi metal grains.; 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. 102, MAPS 50, 1662, September 2015
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7005 approved meteorites from (Northwest Africa) (plus 2002 unapproved names)

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