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Northwest Africa 540
Basic information Name: Northwest Africa 540
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 540
Observed fall: No
Year found: 2000
Country: Morocco
Mass:help 3.54 kg
Classification
  history:
NHM Catalogue:  5th Edition  (2000)  H6
Meteoritical Bulletin:  MB 85  (2001)  H6
MetBase:  v. 7.1  (2006)  H6
Recommended:  H6    [explanation]

This is 1 of 6775 approved meteorites (plus 6 unapproved names) classified as H6.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Data from:
  MB85
  Table 4
  Line 169:
Place of purchase:Tucson, AZ
Date:P Jan 2000
Latitude:31°06'N
Longitude:5°11'W
Mass (g):3540
Pieces:1
Class:H6
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):18.4
Classifier:A. Rubin (UCLA)
Type spec mass (g):46
Main mass:DGregory or Blaine Reed
Comments:melt veins
Institutions
   and collections
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
DGregory: David Gregory, 230 First Avenue, Suite 108, St. Thomas, Ontario N5R 4P5, Canada (private address)
Reed: Blaine Reed, P.O. Box 1141, Delta, CO 81416, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 85, MAPS 36, A293-A322 (2001)
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Geography:

Morocco
Coordinates:
     Catalogue of Meteorites:   (31° 6'N, 5° 11'W)
     Recommended::   (31° 6'N, 5° 11'W)

Statistics:
     This is 1 of 62 approved meteorites from Meknès-Tafilalet, Morocco
     This is 1 of 2068 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater)
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