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Northwest Africa 8408
Basic information Name: Northwest Africa 8408
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8408
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 1176 g
Meteoritical Bulletin:  MB 104  (2015)  LL3
Recommended:  LL3    [explanation]

This is 1 of 371 approved meteorites classified as LL3.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 29 Jan 2015
Writeup from MB 104:

Northwest Africa 8408 (NWA 8408)

(Northwest Africa)

Purchased: 2013 Feb

Classification: Ordinary chondrite (LL3)

History: Purchased by Marc Jost in February 2013 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Medium to large sized (1.6±1.0 mm), well-formed chondrules are set in a fine grained matrix containing altered metal.

Geochemistry: Olivine, Fa0.6-56.4; Cr2O3 in ferroan olivine = 0.06-0.23 wt.%, mean 0.14±0.07 wt.%, N = 7; orthopyroxene, Fs3.0-30.6Wo0.3-1.1, N = 3; subcalcic augite, Fs18.6Wo36.7; augite, Fs7.1Wo48.1.

Classification: Ordinary chondrite (LL3).

Specimens: 25.9 g including one polished thin section at UWB. The remainder is held by SJS.

Data from:
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2013 Feb
Mass (g):1176
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):0.6-56.4
Ferrosilite (mol%):3.0-30.6
Wollastonite (mol%):0.3-1.1
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):25.9
Type spec location:UWB
Main mass:M. Jost
Comments:SJS 13003; submitted by A. Irving
   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)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
SJS: Space Jewels Switzerland, 2555 Brügg, Switzerland (private address; updated 3 Jan 2010)
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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     This is 1 of 7885 approved meteorites from (Northwest Africa) (plus 1958 unapproved names)

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