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Northwest Africa 4577
Basic information Name: Northwest Africa 4577
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 4577
Observed fall: No
Year found: 2004
Country: (Northwest Africa)
Mass:help 22 g
Classification
  history:
Meteoritical Bulletin:  MB 99  (2011)  CO3
Recommended:  CO3    [explanation]

This is 1 of 523 approved meteorites classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 28 Dec 2010
Data from:
  MB99
  Table 0
  Line 0:
Place of purchase:Muenster
Date:P 14 Nov 2004
Mass (g):22
Pieces:1
Class:CO3
Shock stage:S1
Weathering grade:W3
Fayalite (mol%):13±15
Ferrosilite (mol%):3±3
Classifier:A. Bischoff
Type spec mass (g):4.2
Type spec location:IfP
Main mass:anonymous
Comments:Submitted by A. Bischoff
Institutions
   and collections
IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 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 7005 approved meteorites from (Northwest Africa) (plus 2002 unapproved names)

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