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Northwest Africa 172
Basic information Name: Northwest Africa 172
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 172
Observed fall: No
Year found: 1999
Country: (Northwest Africa)
Mass:help 24.2 g
Classification
  history:
NHM Catalogue:  5th Edition  (2000)  H5
Meteoritical Bulletin:  MB 86  (2002)  H5
MetBase:  v. 7.1  (2006)  H5
Recommended:  H5    [explanation]

This is 1 of 10297 approved meteorites (plus 45 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)
Data from:
  MB86
  Table 6
  Line 2:
Origin or pseudonym:Anbdur
Date:1999?
Mass (g):24.2
Pieces:1
Class:H5
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):18.1
Ferrosilite (mol%):15.6
Classifier:S. V. Afanasiev and N. Kononkova (Vernad)
Type spec mass (g):14
Type spec location:Vernad
Main mass:unknown
Institutions
   and collections
Vernad: Vernadsky Institute of Geochemistry and Analytical Chemistry, Russia (institutional address; updated 21 Feb 2016)
Catalogs:
References: Published in Meteoritical Bulletin, no. 86, MAPS 37, A157-A184 (2002)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7912 approved meteorites from (Northwest Africa) (plus 1974 unapproved names)

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