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Northwest Africa 4909
Basic information Name: Northwest Africa 4909
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 4909
Observed fall: No
Year found: 1998
Country: (Northwest Africa)
Mass:help 966 g
Classification
  history:
Meteoritical Bulletin:  MB 96  (2009)  H5
Recommended:  H5    [explanation]

This is 1 of 12099 approved meteorites (plus 23 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 3 Mar 2009
Data from:
  MB96
  Table 2
  Line 8:
State/Prov/County:Mhamid
Date:Mar-98
Mass (g):966
Pieces:1
Class:H5
Shock stage:S3
Weathering grade:W3
Fayalite (mol%):19.5
Ferrosilite (mol%):17
Wollastonite (mol%):1.5
Classifier:M. Hutson and A. Ruzicka, Cascadia
Type spec mass (g):87.7
Type spec location:Cascadia
Main mass:Dickson
Institutions
   and collections		 Cascadia: Cascadia Meteorite Laboratory, Portland State University, Department of Geology, Room 17 Cramer Hall, 1721 SW Broadway, Portland, OR 97201, United States; Website (institutional address; updated 28 Oct 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 96, MAPS 44, 1355-1397 (2009)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9933 approved meteorites from (Northwest Africa) (plus 1837 unapproved names)

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