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Northwest Africa 2221
Basic information Name: Northwest Africa 2221
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 2221
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass:help 37.6 g
Classification
  history:
Meteoritical Bulletin:  MB 95  (2009)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 594 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 23 Dec 2008
Data from:
  MB95
  Table 2
  Line 36:
Place of purchase:Northwest Africa
Date:2005
Mass (g):37.6
Pieces:1
Class:Ureilite
Fayalite (mol%):24.7+0.6
Ferrosilite (mol%):16.5+3.2
Wollastonite (mol%):7.1 +3.1
Classifier:T. Irving, UWS
Type spec mass (g):7.1
Type spec location:UWS
Main mass:DGregory
Institutions
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
DGregory: David Gregory, 230 First Avenue, Suite 108, St. Thomas, Ontario N5R 4P5, Canada (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 95, MAPS 44, 429-462 (2009)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8025 approved meteorites from (Northwest Africa) (plus 1951 unapproved names)

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