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Northwest Africa 2220
Basic information Name: Northwest Africa 2220
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 2220
Observed fall: No
Year found: 2003
Country: (Northwest Africa)
Mass:help 241 g
Classification
  history:
Meteoritical Bulletin:  MB 99  (2011)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 603 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 21 Jan 2011
Data from:
  MB99
  Table 0
  Line 0:
Origin or pseudonym:Northwest Africa
Place of purchase:Temara
Date:P Aug 2003
Mass (g):241
Pieces:1
Class:Eucrite
Weathering grade:low
Ferrosilite (mol%):63.8; 27.8
Wollastonite (mol%):2.1; 42.9
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):21
Type spec location:UWS
Main mass:ROM
Comments:microgranulitic texture.; submitted by A. Irving
Institutions
   and collections		 ROM: Royal Ontario Museum, 100 Queen's Park, Toronto, Ontario M5S 2C6, Canada (institutional address; updated 18 Oct 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
Catalogs:
References: Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)
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Revision
  history:
  This lists important revisions made to data for this record.

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