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Northwest Africa 13714
Basic information Name: Northwest Africa 13714
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13714
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 39.2 g
Classification
  history:
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 241 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 13714 (NWA 13714)

(Northwest Africa)

Purchased: October 2020

Classification: Lunar meteorite (feldspathic breccia)

Physical characteristics: A single flat grey brecciated stone. Cut surface reveals a dark grey interior with clasts.

Petrography: (J. Gattacceca, CEREGE) Breccia with mineral and melt rock clasts (to mm) set in a matrix that can be glassy (with vesicles) to clastic. Main minerals are Ca-pyroxene and olivine. Other minerals: metal, troilite (10-20 µm), ilmenite.

Geochemistry: Olivine Fa41.9±6.8, range Fa33.2-50.2, FeO/MnO = 92.8±7.8, CaO = 0.38±0.08 (n=5). Ca-pyroxene Fs34.2±4.2Wo19.8±3.4 (n=7), Fs19.0Wo42.0 (n=2), FeO/MnO = 52.9±4.0 (n=9). Feldspathic mesostasis An97.0±0.8Ab2.8±0.7Or0.2±0.1 (n=7).

Classification: Achondrite (lunar feldspathic breccia)

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

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Guelmin, Morocco
Date:P Oct 2020
Mass (g):39.2
Pieces:1
Class:Lunar (feldsp. breccia)
Weathering grade:moderate
Fayalite (mol%):41.9±6.8 (n=5)
Magnetic suscept.:2.87
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):8.19
Type spec location:CEREGE
Main mass:Kuntz
Finder:anonymous
Comments:work name K522; 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 7937 approved meteorites from (Northwest Africa) (plus 1960 unapproved names)

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