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Northwest Africa 11266
Basic information Name: Northwest Africa 11266
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11266
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 1017 g
Meteoritical Bulletin:  MB 106  (2018)  Lunar (feldsp. breccia)
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 340 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 28 Jun 2017
Writeup from MB 106:

Northwest Africa 11266 (NWA 11266)

(Northwest Africa)

Purchased: 2017 Apr

Classification: Lunar meteorite (feldspathic breccia)

History: Material excavated from a site near Tindouf, Algeria was purchased by John Higgins in April 2017 from a Moroccan dealer.

Petrography: (A. Irving and S. Kuehner, UWS) Breccia composed of mineral clasts of anorthite, olivine, exsolved pigeonite, orthopyroxene, augite, fayalite, Ti-chromite, kamacite, taenite and troilite in a finer grained matrix containing small vesicles.

Geochemistry: Olivine (Fa20.8-54.4, FeO/MnO = 87-105, N = 3), orthopyroxene (Fs17.0Wo2.9, FeO/MnO = 53), orthopyroxene host (Fs37.9Wo4.8, FeO/MnO = 55), clinopyroxene exsolution lamella (Fs16.9Wo41.9, FeO/MnO = 41), augite (Fs8.6Wo43.1, FeO/MnO = 41), plagioclase (An96.4-96.9Or0.1-0.2, N = 2).

Classification: Lunar (feldspathic regolith breccia).

Specimens: 21 g including one polished endcut at UWB; remainder with Mr. J. Higgins.

Data from:
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2017 Apr
Mass (g):1017
Class:Lunar (feldsp. breccia)
Shock stage:low
Weathering grade:low
Fayalite (mol%):20.8-57.4
Ferrosilite (mol%):17.0; 8.6
Wollastonite (mol%):2.9; 43.1
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):21
Type spec location:UWB
Main mass:J. Higgins
Comments:Work name JH17-4; submitted by A. Irving
   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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Antonello Petriccione   
Denis gourgues            
Kenneth Alvarez Castillo         

     This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)

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