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Northwest Africa 1820
Basic information Name: Northwest Africa 1820
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 1820
Observed fall: No
Year found: 2003
Country: (Northwest Africa)
Mass:help 8.36 kg
Classification
  history:
Meteoritical Bulletin:  MB 88  (2004)  LL5
MetBase:  v. 7.1  (2006)  LL5
Recommended:  LL5    [explanation]

This is 1 of 3162 approved meteorites (plus 1 unapproved name) classified as LL5.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Data from:
  MB88
  Table 4
  Line 33:
Place of purchase:Rissani
Date:P Jan 2003
Mass (g):8364
Pieces:3
Class:LL5
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):30
Ferrosilite (mol%):?
Classifier:Oakes
Type spec mass (g):22
Type spec location:UWS
Institutions
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
Oakes: Nelson Oakes, Route 1, House 50C, Uniondale, PA 18470, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7937 approved meteorites from (Northwest Africa) (plus 1960 unapproved names)

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