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Northwest Africa 10392
Basic information Name: Northwest Africa 10392
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10392
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 1007 g
Meteoritical Bulletin:  MB 104  (2015)  Eucrite-pmict
Recommended:  Eucrite-pmict    [explanation]

This is 1 of 391 approved meteorites classified as Eucrite-pmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 10 Dec 2015
Writeup from MB 104:

Northwest Africa 10392 (NWA 10392)

(Northwest Africa)

Purchased: 2015 Jul

Classification: HED achondrite (Eucrite, polymict)

History: Purchased in Temara, Morocco by Adam Aaronson in July 2015.

Petrography: (A. Irving and S. Kuehner, UWS) Fresh matrix-rich fragmental breccia composed of eucrite clasts with variable grainsize and texture (intersertal to diabasic) plus related crystal debris and sparse grains of diogenitic orthopyroxene. Exsolved pigeonite, calcic plagioclase, silica polymorph, olivine, ilmenite, chromite, troilite and rare zircon.

Geochemistry: Clinopyroxene host (Fs31.1Wo39.8, FeO/MnO = 32), orthopyroxene exsolution lamella (Fs66.4Wo1.6, FeO/MnO = 30), low-Ca pyroxene host (Fs55.8Wo6.6, FeO/MnO = 33), clinopyroxene exsolution lamella (Fs28.5Wo39.7, FeO/MnO = 34), diogenitic orthopyroxene (Fs26.4Wo3.4, FeO/MnO = 29; Fs30.7Wo3.9, FeO/MnO = 33), clinopyroxene inclusion in more ferroan orthopyroxene (Fs13.0Wo43.1, FeO/MnO = 23), olivine (Fa76.9-77.5, FeO/MnO = 42-44, N = 2).

Classification: Eucrite (polymict breccia).

Specimens: 20.1 g including one polished thin section at UWB; main mass with Aaronson.

Data from:
  Table 0
  Line 0:
Place of purchase:Temara
Date:P 2015 Jul
Mass (g):1007
Shock stage:low
Weathering grade:low
Fayalite (mol%):76.9-77.5
Ferrosilite (mol%):26.4; 30.7; 31.1; 66.4
Wollastonite (mol%):3.4; 3.9; 39.8; 1.6
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.1
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1839; 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, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010)
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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     This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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