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Northwest Africa 10368
Basic information Name: Northwest Africa 10368
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10368
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 240 g
Meteoritical Bulletin:  MB 106  (2018)  Lodranite
Recommended:  Lodranite    [explanation]

This is 1 of 94 approved meteorites classified as Lodranite.   [show all]
Search for other: Acapulcoite-lodranite family, Lodranites, and Primitive achondrites
Comments: Approved 1 Mar 2017
Writeup from MB 106:

Northwest Africa 10368 (NWA 10368)

(Northwest Africa)

Purchased: 2015 May

Classification: Primitive achondrite (Lodranite)

History: Purchased by Fabien Kuntz in May 2015 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Coarse grained fragmental breccia composed of clasts (up to 3.8 mm) of single mineral phases plus some composite clasts in a sparse matrix. Major minerals are olivine, clinopyroxene and orthopyroxene with accessory Cr-rich chromite, altered kamacite and pyrrhotite. Olivine contains relatively abundant round blebs composed of kamacite + pentlandite. Grain boundaries are stained by secondary iron hydroxides.

Geochemistry: Olivine (Fa10.6-10.7, FeO/MnO = 22-23, N = 3), clinopyroxene (Fs3.7-3.9Wo45.3-45.2, FeO/MnO = 9-10, N = 2), orthopyroxene (Fs9.7-9.8Wo1.2-2.5, FeO/MnO = 14-16, N = 2).

Classification: Lodranite breccia.

Specimens: 20.43 g including one polished thin section at PSF; main mass with Kuntz.

Data from:
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2015 May
Mass (g):240
Shock stage:low
Weathering grade:moderate
Fayalite (mol%):10.6-10.7
Ferrosilite (mol%):3.7-3.9; 9.7-9.8
Wollastonite (mol%):45.4-45.3; 1.2-2.5
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.43
Type spec location:PSF
Main mass:Kuntz
Comments:K276; 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)
Kuntz: Fabien Kuntz, France; Website (private address)
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 9825 approved meteorites from (Northwest Africa) (plus 1851 unapproved names)

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