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Northwest Africa 7558
Basic information Name: Northwest Africa 7558
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7558
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass:help 89 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  R3-5
Recommended:  R3-5    [explanation]

This is 1 of 14 approved meteorites classified as R3-5.   [show all]
Search for other: Rumuruti chondrites, Rumuruti chondrites (type 3)
Comments: Approved 4 Jul 2013
Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2011
Mass (g):89
Pieces:2
Class:R3-5
Shock stage:S2
Weathering grade:W3
Fayalite (mol%):28±10.1 (5.5-38.1, n=12)
Ferrosilite (mol%):10.7±6.5 (4.3-22.5, n=14)
Classifier:A. Greshake, MNB
Type spec mass (g):18.0
Type spec location:MNB
Main mass:Andreas Grünemeyer
Comments:The brownish meteorite is a breccia consisting of angular to subrounded type 3 to 5 clasts set in fine-grained matrix. Chondrule mean diameter ~0.4 mm; metal is rare.; 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:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6752 approved meteorites from (Northwest Africa) (plus 2052 unapproved names)

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