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Northwest Africa 8425
Basic information Name: Northwest Africa 8425
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8425
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 83 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  LL6
Recommended:  LL6    [explanation]

This is 1 of 2817 approved meteorites (plus 1 unapproved name) classified as LL6.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 20 Nov 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8425 (NWA 8425)

(Northwest Africa)

Purchased: 2014 Mar

Classification: Ordinary chondrite (LL6)

History: Purchased by Adam Aaronson in Temara, Morocco in March 2014.

Petrography: (A. Irving and S. Kuehner, UWS) Breccia composed of separated, angular clasts (containing rare large chondrule remnants) in a dark fragmental matrix of related crystalline debris.

Geochemistry: Olivine (Fa29.9-30.9, N = 3), orthopyroxene (Fs24.3-24.8Wo1.6-2.2, N = 3), subcalcic augite (Fs10.7Wo24.7), augite (Fs7.9Wo42.7).

Classification: Ordinary chondrite (LL6 breccia).

Specimens: 16.7g including one polished thin section at UWB. The remainder is held by Aaronson.

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Temara
Date:P 2014 Mar
Mass (g):83
Pieces:1
Class:LL6
Shock stage:S2
Weathering grade:W1/2
Fayalite (mol%):29.9-30.9
Ferrosilite (mol%):24.3-24.8
Wollastonite (mol%):1.6-2.2
Magnetic suscept.:M1689
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):16.7
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1689; submitted by A. Irving
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)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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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