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Northwest Africa 8666
Basic information Name: Northwest Africa 8666
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8666
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 290 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  LL(L)3
Recommended:  LL(L)3    [explanation]

This is 1 of 20 approved meteorites classified as LL(L)3.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 18 Dec 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 8666 (NWA 8666)

(Northwest Africa)

Purchased: 2014 May

Classification: Ordinary chondrite (LL(L)3)

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

Petrography: (A. Irving and S. Kuehner, UWS) Well-formed chondrules occur in a finer grained, metal-bearing matrix.

Geochemistry: Olivine (Fa0.8-42.3; Cr2O3 in ferroan olivine 0.08-0.15 wt.%, N = 7), orthopyroxene (Fs1.7-18.3Wo0.6-3.5, N = 3), subcalcic augite (Fs8.5-27.1Wo30.0-29.1, N = 2). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.35.

Classification: Ordinary chondrite LL(L)3.

Specimens: 23.5 g including one polished thin section at UWB. The remainder is held by J. Higgins.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Laayoune
Date:P 2014 May
Mass (g):290
Pieces:1
Class:LL(L)3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):0.8-42.3
Ferrosilite (mol%):1.7-18.3
Wollastonite (mol%):0.6-3.5
Magnetic suscept.:4.35
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):23.5
Type spec location:UWB
Main mass:J. Higgins
Comments:JH14-12; 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. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7035 approved meteorites from (Northwest Africa) (plus 2000 unapproved names)

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