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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 10950 approved meteorites (plus 20 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:
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
AR Photo added 20 Oct 2022
David Campbell Photo added 20 Oct 2022
Photo added 20 Oct 2022
Gerald Armstrong Photo added 20 Oct 2022
Jim K   
Michael S. Scherman Photo added 20 Oct 2022
The Wilcox Collection of Meteorites Photo added 20 Oct 2022
Photo added 20 Oct 2022
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8777 approved meteorites from (Northwest Africa) (plus 1879 unapproved names)

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