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Northwest Africa 1775
Basic information Name: Northwest Africa 1775
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 1775
Observed fall: No
Year found: 2002
Country: (Northwest Africa)
Mass:help 25 g
Classification
  history:
Meteoritical Bulletin:  MB 87  (2003)  Martian
MetBase:  v. 7.1  (2006)  Shergottite-basaltic (ol phyric)
Recommended:  Martian (shergottite)    [explanation]

This is 1 of 189 approved meteorites (plus 1 unapproved name) classified as Martian (shergottite).   [show all]
Search for other: Martian meteorites
Data from:
  MB87
  Table 8
  Line 267:
Origin or pseudonym:Morocco
Place of purchase:Erfoud
Date:2002
Mass (g):25
Pieces:several
Class:Martian
Weathering grade:W1/2
Fayalite (mol%):36.7-50.6
Classifier:M. Bourot-Denise, MNHNP
Type spec mass (g):4.7
Main mass:PThomas
Comments: basaltic shergottite; zoned olivine phenocrysts in a fine-grained groundmass of complexly zoned pigeonite and homogenous maskelynite; Cpx: Fs24.33-36.38Wo8.89-28.78; maskelynite: An51.23Ab46.49; paired with NWA 1068, 1110 and 1183
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)
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Don Edwards   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6781 approved meteorites from (Northwest Africa) (plus 2061 unapproved names)

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