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Northwest Africa 4554
Basic information Name: Northwest Africa 4554
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 4554
Observed fall: No
Year found: 2006
Country: (Northwest Africa)
Mass:help 500 g
Classification
  history:
Meteoritical Bulletin:  MB 92  (2007)  L5
Recommended:  L5    [explanation]

This is 1 of 7516 approved meteorites (plus 4 unapproved names) classified as L5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 24 Jul 2007
Data from:
  MB92
  Table 2
  Line 99:
Place of purchase:Erfoud, Morocco
Date:2006
Mass (g):500
Pieces:1
Class:L5
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):25.2
Ferrosilite (mol%):21.1
Wollastonite (mol%):2.9
Classifier:T. Bunch, NAU
Type spec mass (g):23
Type spec location:NAU
Main mass:Cimala
Institutions
   and collections
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 92, MAPS 42, 1647-1694 (2007)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Polandmet         
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8025 approved meteorites from (Northwest Africa) (plus 1951 unapproved names)

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