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Northwest Africa 11015
Basic information Name: Northwest Africa 11015
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11015
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 16.5 g
Meteoritical Bulletin:  MB 105  (2016)  Eucrite-unbr
Recommended:  Eucrite-unbr    [explanation]

This is 1 of 119 approved meteorites classified as Eucrite-unbr.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 17 Dec 2016
Writeup from MB 105:

Northwest Africa 11015 (NWA 11015)

(Northwest Africa)

Purchased: 2016 Aug

Classification: HED achondrite (Eucrite, unbrecciated)

History: Puchased in Temara, Morocco by Adam Aaronson in October 2016.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Subophitic texture. Relatively large, blocky grains of finely exsolved pigeonite containing embedded laths of anorthite are accompanied by accessory silica polymorph, ilmenite and troilite.

Geochemistry: (P. Carpenter, WUSL) Low-Ca pyroxene host (Fs56.5-57.5Wo6.2-6.5, FeO/MnO = 31-35, N = 2), augite exsolution lamellae (Fs27.0-27.5Wo43.1-42.7, FeO/MnO = 32-33, N = 2), plagioclase (An90.9-91.4Or0.1, N = 2).

Classification: Eucrite (unbrecciated, subophitic).

Specimens: 3.3 g including a polished mount at UWB; remainder with Aaronson.

Data from:
  Table 0
  Line 0:
Place of purchase:Temara
Date:P 2016 Aug
Mass (g):16.5
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):56.5-57.5; 27.0-27.5
Wollastonite (mol%):6.2-6.5; 43.1-42.7
Classifier:A. Irving & P. Carpenter
Type spec mass (g):3.3
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1901; 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)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
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. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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     This is 1 of 8559 approved meteorites from (Northwest Africa) (plus 1896 unapproved names)

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