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Northwest Africa 10499
Basic information Name: Northwest Africa 10499
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10499
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 1017 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  LL3
Recommended:  LL3    [explanation]

This is 1 of 307 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 10499 (NWA 10499)

(Northwest Africa)

Purchased: 2015 Sep

Classification: Ordinary chondrite (LL3)

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

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

Geochemistry: Olivine (Fa0.3-53.6, Cr2O3 in ferroan olivine 0.06-0.21 wt.%, mean 0.14 wt.%, sd 0.05 wt.%, N = 9), orthopyroxene (Fs0.7-25.0Wo3.5-4.9, N = 3), clinopyroxene (Fs1.9-4.8Wo42.1-45.7, N = 2). Magnetic susceptibility log χ (× 10-9 m3/kg)=4.08.

Classification: Ordinary chondrite (LL3).

Specimens: 32 g including one polished thin section at UWB; main mass with Mr. J. Higgins.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Zagora
Date:P 2015 Sep
Mass (g):1017
Pieces:7
Class:LL3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):0.3-53.6
Ferrosilite (mol%):0.7-25.0
Wollastonite (mol%):3.5-4.9
Magnetic suscept.:4.08
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):32
Type spec location:UWB
Main mass:J. Higgins
Comments:JH15-14; 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
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Mike Markowitz   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6672 approved meteorites from (Northwest Africa) (plus 2024 unapproved names)

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