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Northwest Africa 1790
Basic information Name: Northwest Africa 1790
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 1790
Observed fall: No
Year found: 1999
Country: (Northwest Africa)
Mass:help 100 g
Classification
  history:
Meteoritical Bulletin:  MB 88  (2004)  L4
MetBase:  v. 7.1  (2006)  L4
Recommended:  L4    [explanation]

This is 1 of 2104 approved meteorites (plus 5 unapproved names) classified as L4.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Data from:
  MB88
  Table 4
  Line 28:
Origin or pseudonym:Morocco
Place of purchase:Erfoud
Date:P Dec 1999
Mass (g):100
Pieces:1
Class:L4
Shock stage:S2
Weathering grade:W1/2
Fayalite (mol%):23.8
Ferrosilite (mol%):22.4
Classifier:M. Bourot-Denise, MNHNP. Magnetic measurements by P. Rochette, CEREGE, Marseille
Type spec mass (g):21
Type spec location:MNHN
Institutions
   and collections		 CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 10 Jun 2023)
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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names)

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