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Last update: 19 Nov 2022
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Northwest Africa 2057
Basic information Name: Northwest Africa 2057
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 2057
Observed fall: No
Year found: unknown
Country: (Northwest Africa)
Mass:help 958 g
Classification
  history:
Meteoritical Bulletin:  MB 89  (2005)  H4
MetBase:  v. 7.1  (2006)  H4
Recommended:  H4    [explanation]

This is 1 of 6388 approved meteorites (plus 2 unapproved names) classified as H4.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Data from:
  MB89
  Table 7
  Line 69:
Place of purchase:Erfoud
Mass (g):958
Pieces:1
Class:H4
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):18.4
Ferrosilite (mol%):16.3
Classifier:
Type spec mass (g):21
Catalogs:
References: Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8744 approved meteorites from (Northwest Africa) (plus 1879 unapproved names)

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