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Northwest Africa 10494
Basic information Name: Northwest Africa 10494
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10494
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 389 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  LL3
Recommended:  LL3    [explanation]

This is 1 of 342 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 8 Jan 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10494 (NWA 10494)

(Northwest Africa)

Purchased: 2015 Sep

Classification: Ordinary chondrite (LL3)

History: Purchased by John Higgins in September 2015 from a dealer in Laayoune, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Well-formed, fairly closely-packed chondrules plus sparse mineral fragments are set in a finer matrix.

Geochemistry: Olivine (Fa0.7-58.0, Cr2O3 in ferroan olivine 0.07-0.11 wt.%, mean 0.09±0.02 wt.%, N = 8), orthopyroxene (Fs3.0-14.3Wo0.2-0.3, N = 3), clinopyroxene (Fs2.4Wo40.3; Fs22.0Wo37.7, N = 2). Magnetic susceptibility log χ (× 10-9 m3/kg)=3.63.

Classification: Ordinary chondrite (LL3).

Specimens: 23 g including one polished thin section at UWB; main mass with Mr. J. Higgins.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Laayoune
Date:P 2015 Sep
Mass (g):389
Pieces:1
Class:LL3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):0.7-58.0
Ferrosilite (mol%):3.0-4.4
Wollastonite (mol%):0.2-0.3
Magnetic suscept.:3.63
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):23
Type spec location:UWB
Main mass:J. Higgins
Comments:JH15-12; 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. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7354 approved meteorites from (Northwest Africa) (plus 1958 unapproved names)

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