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Northwest Africa 6204
Basic information Name: Northwest Africa 6204
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6204
Observed fall: No
Year found: 2009
Country: Algeria
Mass:help 43.5 g
Classification
  history:
Meteoritical Bulletin:  MB 99  (2011)  L4-6
Recommended:  L4-6    [explanation]

This is 1 of 44 approved meteorites (plus 1 unapproved name) classified as L4-6.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 28 Nov 2010
Writeuphelp
Writeup from MB 99:

Northwest Africa 6204 (NWA 6204)

Great Western Desert, Algeria

Purchased: March 2, 2009

Classification: Ordinary chondrite (L4-6)

History: Originally obtained by Grenville Minerals (Kingston, Ontario) from a Moroccan fossil dealer.

Petrography: Consists of a single cm-scale L6 clast within an L4 matrix. Silicate compositional data are for the L4 portion only.

Specimens: A 20.1 g type specimen plus thin section are on deposit at UAb.

Data from:
  MB99
  Table 0
  Line 0:
State/Prov/County:Great Western Desert
Place of purchase:Toronto, Canada
Date:P March 2, 2009
Mass (g):43.5
Pieces:1
Class:L4-6
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):23.1 (PMD=6; n=49)
Ferrosilite (mol%):15.4 (PMD=37; n=45)
Classifier:C. Herd
Type spec mass (g):20.1 g
Type spec location:UAb
Main mass:T. LeCheminant, Manotick, Ontario, Canada
Comments:Submitted by C. Herd
Institutions
   and collections
UAb: 1-26 Earth Sciences Building, University of Alberta, Edmonton, AB, T6G 2E3, Canada, Canada; Website (institutional address; updated 17 Oct 2011)
Catalogs:
References: Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Algeria
Coordinates:Unknown.

Statistics:
     This is 1 of 1017 approved meteorites from Algeria (plus 26 unapproved names) (plus 4 impact craters)

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