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Northwest Africa 11129
Basic information Name: Northwest Africa 11129
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11129
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 51 g
Meteoritical Bulletin:  MB 106  (2018)  Lodranite
Recommended:  Lodranite    [explanation]

This is 1 of 80 approved meteorites classified as Lodranite.   [show all]
Search for other: Acapulcoite-lodranite family, Lodranites, and Primitive achondrites
Comments: Approved 14 Mar 2017
Writeup from MB 106:

Northwest Africa 11129 (NWA 11129)

(Northwest Africa)

Purchased: 2016 Sep

Classification: Primitive achondrite (Lodranite)

History: Purchased by Aras Jonikas in September 2016 from a Moroccan dealer. The find site for paired stones including NWA 8251 has been reported to be near Jrifiya.

Petrography: (A. Irving and S. Kuehner, UWS) Breccia composed of angular mineral grains of olivine, orthopyroxene, clinopyroxene with accessory Cr-rich chromite, altered low-Ni kamacite and troilite in a sparse finer grained matrix.

Geochemistry: Olivine (Fa11.3-11.5, FeO/MnO = 32-33, N = 3), orthopyroxene (Fs9.8-9.9Wo1.7-2.3, FeO/MnO = 25-31, N = 3), clinopyroxene (Fs4.4-4.5Wo44.1-43.2, N = 2).

Classification: Lodranite (breccia). Paired with NWA 8118, NWA 8216 and NWA 8251.

Specimens: A 10.8 g polished endcut is at PSF; remainder with Mr. A. Jonikas.

Data from:
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2016 Sep
Mass (g):50.98
Shock stage:low
Weathering grade:low
Fayalite (mol%):11.3-11.4
Ferrosilite (mol%):9.8-9.9; 4.4-4.5
Wollastonite (mol%):44.1-43.2
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):10.8
Type spec location:PSF
Main mass:A. Jonikas
Comments:AJ16-17; submitted by A. Irving
   and collections
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
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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     This is 1 of 7171 approved meteorites from (Northwest Africa) (plus 2003 unapproved names)

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