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Northwest Africa 7712
Basic information Name: Northwest Africa 7712
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7712
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 53 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  R3-6
Recommended:  R3-6    [explanation]

This is 1 of 19 approved meteorites classified as R3-6.   [show all]
Search for other: Rumuruti chondrites, Rumuruti chondrites (type 3)
Comments: Approved 1 Mar 2013
Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Nouadhibou, Mauretania
Date:2012
Mass (g):53
Pieces:2
Class:R3-6
Shock stage:S4
Weathering grade:low
Fayalite (mol%):33.2±7.7 (10.4-37.7, n=15)
Ferrosilite (mol%):17.7±10.7 (3.3-29, n=15)
Classifier:A. Greshake, MNB
Type spec mass (g):11.8
Type spec location:MNB
Main mass:Svend Buhl
Comments:The dark-gray to black-colored meteorite is a breccia of angular to subrounded type 3 to 6 clasts set in fine-grained matrix. Chondrule mean diameter is about 0.4 mm; the meteorite is only weakly weathered; metal is absent.; 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 6781 approved meteorites from (Northwest Africa) (plus 2061 unapproved names)

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