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Northwest Africa 10699
Basic information Name: Northwest Africa 10699
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10699
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 983 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  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 9 Jul 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10699 (NWA 10699)

(Northwest Africa)

Purchased: 2016 Mar

Classification: Ordinary chondrite (LL(L)3)

History: Purchased by John Higgins in March 2016 from a dealer in Guelmim, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Closely packed, well-formed chondrules (apparent diameter 600±200 μm) are set in a sparse matrix containing altered metal.

Geochemistry: Olivine (Fa0.7-86.5; Cr2O3 in ferroan examples 0.05-0.14 wt.%, mean 0.09±0.03, N = 7), orthopyroxene (Fs5.5Wo0.2), pigeonite (Fs17.2Wo8.1), subcalcic augite (Fs9.4Wo29.2), augite (Fs11.3Wo36.2).

Classification: Ordinary chondrite (LL(L)3).

Specimens: 27 g including one polished thin section at UWB; remainder with Mr. J. Higgins.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Guelmim
Date:P 2016 Mar
Mass (g):983
Pieces:1
Class:LL(L)3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):0.7-86.5
Ferrosilite (mol%):5.5; 17.2; 9.4; 11.3
Wollastonite (mol%):0.2; 8.1; 29.2; 36.2
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):27
Type spec location:UWB
Main mass:J. Higgins
Comments:JH16-1; 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)
Jürgen D.   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7005 approved meteorites from (Northwest Africa) (plus 2002 unapproved names)

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