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Northwest Africa 10713
Basic information Name: Northwest Africa 10713
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10713
Observed fall: No
Year found: 2016
Country: Western Sahara
Mass:help 60.2 g
Meteoritical Bulletin:  MB 105  (2016)  Lunar (feldsp. breccia)
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 312 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 20 Jun 2016
Writeup from MB 105:

Northwest Africa 10713 (NWA 10713)

Western Sahara

Purchased: Jan 2016

Classification: Lunar meteorite (feldspathic breccia)

History: Purchased in January 2016; reportedly found near the Algerian border, November 2015.

Physical characteristics: Single stone with no fusion crust. Saw-cut and broken surfaces show a light gray, very fine-grained texture, with sparse small feldspar fragments ~2 mm, and scattered opaques.

Petrography: (C. Agee, UNM) This meteorite is an equilibrated, possibly recrystallized, feldspathic breccia. Most olivines and pyroxenes are very fine grained, 5-10 μm, with a few up to 200 μm, poikiolitically enclosed in much larger plagioclase grains.

Geochemistry: (C. Agee and M. Spilde, UNM) Olivine Fa24.4±0.4, Fe/Mn=106±8, n=12; pigeonite Fs20.6±1.1Wo7.9±0.7, Fe/Mn=60±6, n=6; plagioclase An93.3±3.4, n=6.

Classification: Lunar feldspathic breccia, granulitic.

Specimens: 12.2 g including a probe mount on deposit at UNM, DPitt holds the main mass.

Data from:
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P Jan 2016
Mass (g):60.2
Class:Lunar (feldsp. breccia)
Shock stage:high
Weathering grade:moderate
Fayalite (mol%):24.4±0.4
Ferrosilite (mol%):20.6±1.1
Wollastonite (mol%):7.9±0.7
Classifier:C. Agee, UNM
Type spec mass (g):12.2
Type spec location:UNM
Main mass:Darryl Pitt
Comments:Field name MCVICH042; submitted by C. Agee, UNM
   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)
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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Western Sahara

     This is 1 of 264 approved meteorites from Western Sahara (plus 19 unapproved names)

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