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Northwest Africa 7690
Basic information Name: Northwest Africa 7690
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7690
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass:help 125 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  CV3
Recommended:  CV3    [explanation]

This is 1 of 467 approved meteorites (plus 2 unapproved names) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 1 Mar 2013
Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2011
Mass (g):125
Pieces:31
Class:CV3
Shock stage:S1
Weathering grade:W1
Fayalite (mol%):4.3±2.7 (1.1-10.2, n=20)
Ferrosilite (mol%):1.2±0.4 (0.6-1.8, n=19)
Classifier:A. Greshake, MNB
Type spec mass (g):20.0
Type spec location:MNB
Main mass:Mirko Graul
Comments:The meteorite consists of large FeO-poor chondrules, CAIs, and amoeboid olivine aggregates set in a dense dark brownish matrix. Some regions display reddish staining. No type II chondrules were found in the section studied.; submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Denis gourgues                     
Jürgen D.   
Mirko Graul                  
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names)
Also see:
  This lists the most popular meteorites among people who looked up this meteorite.
Revision
  history:
  This lists important revisions made to data for this record.

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