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Northwest Africa 4688
Basic information Name: Northwest Africa 4688
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 4688
Observed fall: No
Year found: 2006
Country: (Northwest Africa)
Mass:help 2.18 kg
Classification
  history:
Meteoritical Bulletin:  MB 92  (2007)  H5
Recommended:  H5    [explanation]

This is 1 of 9448 approved meteorites (plus 11 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 24 Jul 2007
Data from:
  MB92
  Table 2
  Line 129:
Place of purchase:Erfoud, Morocco
Date:May-2006
Mass (g):2184
Pieces:481
Class:H5
Shock stage:S3
Weathering grade:W3
Fayalite (mol%):18.9
Ferrosilite (mol%):16.5±1
Classifier:Pickard, Williams and McKinnon, AMAS
Type spec mass (g):22
Type spec location:AMAS
Main mass:anonymous
Comments:481 pieces range from 1.7 g to 20 g
Institutions
   and collections
AMAS: Australian Museum, 6 College Street, Sydney, NSW 2010, Australia (institutional address; updated 18 Oct 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 92, MAPS 42, 1647-1694 (2007)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
AR   
David Campbell      
Gerald Armstrong   
Jim K   
Michael S. Scherman   
The Wilcox Collection of Meteorites      
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6592 approved meteorites from (Northwest Africa) (plus 2020 unapproved names)

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