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Northwest Africa 13715
Basic information Name: Northwest Africa 13715
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13715
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 176.6 g
Classification
  history:
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 236 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 20 Mar 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13715 (NWA 13715)

(Northwest Africa)

Purchased: October 2020

Classification: Lunar meteorite (feldspathic breccia)

Physical characteristics: Sixteen black stones with mass ranging from 0.77g to 40.81g

Petrography: (J. Gattacceca, CEREGE) Subrounded mineral clasts to 600 µm and rare lithic clasts (with granulitic texture) set in a feldspathic mesostasis (evolving to a melt rock matrix in some areas) with vesicles to 10 µm. Main components are pyroxene and olivine, and feldspathic glass. Other minerals: metal, troilite.

Geochemistry: Olivine Fa31.0 and Fa 40.3, FeO/MnO = 105.5 n(=2). Pyroxene Fs19.9Wo4.0, Fs15.6Wo25.0, Fs13.1Wo37.4, FeO/MnO = 64.2 (n=3). Chromite Cr# = 0.67 (n=1). Feldspathic fraction An95.4±0.3Ab4.2±0.4Or0.4±0.2 (n=3).

Classification: Achondrite (lunar feldspathic breccia)

Specimens: Type specimen at CEREGE. Main mass with Kuntz.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Tindouf, Algeria
Date:P Oct 2020
Mass (g):176.6
Pieces:16
Class:Lunar (feldsp. breccia)
Weathering grade:moderate
Fayalite (mol%):35.7 (n=2)
Magnetic suscept.:3.51
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):21.04
Type spec location:CEREGE
Main mass:Kuntz
Finder:anonymous
Comments:work name K525; submitted by Jérôme Gattacceca
Institutions
   and collections
CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 29 Oct 2018)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7810 approved meteorites from (Northwest Africa) (plus 1971 unapproved names)

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