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Northwest Africa 8654
Basic information Name: Northwest Africa 8654
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8654
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 412 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  LL6
Recommended:  LL6    [explanation]

This is 1 of 2816 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 8654 (NWA 8654)

(Northwest Africa)

Purchased: 2014 May

Classification: Ordinary chondrite (LL6)

History: Purchased by John Higgins in May 2014 from a dealer in Laayoune, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Breccia composed of angular, extensively recrystallized, small clasts in a matrix of related crystal debris. A few remnants of relatively large chondrules are present.

Geochemistry: Olivine (Fa29.9-30.1, N = 3), orthopyroxene (Fs24.9-25.0Wo1.9-1.8, N = 3), clinopyroxene (Fs10.0-10.4Wo44.6-44.2).

Classification: Ordinary chondrite (LL6 breccia).

Specimens: 20.1g including one polished thin section at UWB. The remaining material is held by J. Higgins.

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Laayoune
Date:P 2014 May
Mass (g):412
Pieces:many
Class:LL6
Shock stage:S2
Weathering grade:W0/1
Fayalite (mol%):29.9-30.1
Ferrosilite (mol%):24.9-25.0
Wollastonite (mol%):1.9-1.8
Magnetic suscept.:JH14-6
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.1
Type spec location:UWB
Main mass:J. Higgins
Comments:JH14-6; 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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7912 approved meteorites from (Northwest Africa) (plus 1974 unapproved names)

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