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Northwest Africa 10711
Basic information Name: Northwest Africa 10711
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10711
Observed fall: No
Year found: 2016
Country: Western Sahara
Mass:help 54.9 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  Eucrite-mmict
Recommended:  Eucrite-mmict    [explanation]

This is 1 of 222 approved meteorites classified as Eucrite-mmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 16 Oct 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10711 (NWA 10711)

Western Sahara

Purchased: Jan 2016

Classification: HED achondrite (Eucrite, monomict)

History: Purchased in January 2016; reportedly found in El-Hamada, November 2015.

Physical characteristics: Single stone with fresh fusion crust. A saw-cut surface shows a breccia with light and dark clasts of varying grain size.

Petrography: (C. Agee, UNM) This meteorite is an equilibrated monomict basaltic meteorite with ~50% pyroxene, ~50% plagioclase. Most pyroxenes show exsolution lamellae.

Geochemistry: (C. Agee and M. Spilde, UNM) Low-Ca pyroxene Fs59.0±2.1Wo3.2±2.2, Fe/Mn=33±1, n=6; high-Ca pyroxene Fs28.4±2.8Wo40.6±2.4, Fe/Mn=32±2, n=7; plagioclase An91.2±2.1, n=5.

Classification: Eucrite (monomict)

Specimens: 11 g including a probe mount on deposit at UNM, DPitt holds the main mass.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P Jan 2016
Mass (g):54.9
Pieces:1
Class:Eucrite-mmict
Shock stage:high
Weathering grade:low
Ferrosilite (mol%):59.0±2.1, 28.4±2.8
Wollastonite (mol%):3.2±2.2, 40.6±2.4
Classifier:C. Agee, UNM
Type spec mass (g):11
Type spec location:UNM
Main mass:DPitt
Comments:Field name MCVICH040; submitted by C. Agee, UNM
Institutions
   and collections
UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address)
Catalogs:
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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Geography:

Western Sahara
Coordinates:Unknown.

Statistics:
     This is 1 of 206 approved meteorites from Western Sahara (plus 20 unapproved names)

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