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Northwest Africa 4258
Basic information Name: Northwest Africa 4258
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 4258
Observed fall: No
Year found: 2002
Country: Algeria
Mass:help 15 g
Classification
  history:
Meteoritical Bulletin:  MB 91  (2007)  H5
Recommended:  H5    [explanation]

This is 1 of 12099 approved meteorites (plus 23 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)
Comments: Approved 1 Sep 2006
Data from:
  MB91
  Table 2
  Line 256:
Date:2002 Nov
Mass (g):15
Pieces:1
Class:H5
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):18.5
Ferrosilite (mol%):17.5
Classifier:A. Seddiki, Ud’OEA, and UJMS-E; B. Moine, J. Y. Cottin, UJMS-E; M. Denis, V. Sautter, J. P. Lorand, MNHNP, France
Type spec mass (g):10.3
Type spec location:MNHN
Main mass:anonymous finders
Institutions
   and collections		 MNHNP: Museum National d'Histoire Naturelle, IMPMC-CP52, 57 rue Cuvier, 75005 Paris, France, France; Website (institutional address)
MNHN: Museum National d'Histoire Naturelle, IMPMC-CP52, 57 rue Cuvier, 75005 Paris, France, France; Website (institutional address)
UJMS-E: Université Jean Monnet, Saint-Etienne, France (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 91, MAPS 42, 413-466 (2007)
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Geography:

Algeria
Coordinates:Unknown.

Statistics:
     This is 1 of 1402 approved meteorites from Algeria (plus 33 unapproved names) (plus 4 impact craters)

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