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Northwest Africa 6550
Basic information Name: Northwest Africa 6550
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6550
Observed fall: No
Year found: 2008
Country: (Northwest Africa)
Mass:help 29.48 kg
Classification
  history:
Meteoritical Bulletin:  MB 99  (2011)  LL3.7
Recommended:  LL3.7    [explanation]

This is 1 of 29 approved meteorites classified as LL3.7.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 15 Feb 2011
Data from:
  MB99
  Table 0
  Line 0:
Place of purchase:Los Angeles, CA
Date:P Jan 2008
Mass (g):29481.8
Pieces:40
Class:LL3.7
Shock stage:S2
Weathering grade:W3
Fayalite (mol%):26.7±5.6 (N=12)
Ferrosilite (mol%):19.2
Wollastonite (mol%):1.1
Classifier:A. Rubin
Type spec mass (g):67.1
Type spec location:UCLA
Main mass:S. Tutorow
Comments:Type 3.7 is based on the olivine Fa distribution being a little more heterogeneous than that of published data for Dhajala (H3.8) and the glass looks more turbid and devitrified than in samples that are 3.0-3.5.; submitted by S. Tutorow
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)
Catalogs:
References: Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Nuno Chaves   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7035 approved meteorites from (Northwest Africa) (plus 2000 unapproved names)

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