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Northwest Africa 1757
Basic information Name: Northwest Africa 1757
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 1757
Observed fall: No
Year found: 2001
Country: (Northwest Africa)
Mass:help 361 g
Classification
  history:
Meteoritical Bulletin:  MB 87  (2003)  CO3.5
MetBase:  v. 7.1  (2006)  CO3.5
Recommended:  CO3.5    [explanation]

This is 1 of 12 approved meteorites classified as CO3.5.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Data from:
  MB87
  Table 8
  Line 252:
Origin or pseudonym:Morocco-Algeria border
Place of purchase:Erfoud
Date:2001
Mass (g):361
Pieces:1
Class:CO3.5
Shock stage:S1
Weathering grade:W3
Fayalite (mol%):0.5-51.8
Ferrosilite (mol%):1.04-30.18
Classifier:M. Bourot-Denise, MNHNP
Type spec mass (g):37.5
Main mass:PThomas
Comments:~30% matrix, many small CAIs
Institutions
   and collections
MNHNP: Museum National d'Histoire Naturelle, IMPMC-CP52, 57 rue Cuvier, 75005 Paris, France, France; Website (institutional address)
PThomas: Philippe Thomas, Meteoritica, La Chave, 07690 St André en Vivarais, France (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 87, MAPS 38, A189-A248 (2003)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Don Edwards      
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names)
Also see:
  This lists the most popular meteorites among people who looked up this meteorite.
Revision
  history:
  This lists important revisions made to data for this record.

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