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Northwest Africa 14531
Basic information Name: Northwest Africa 14531
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14531
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 9.3 g
Classification
  history:
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 280 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 19 Feb 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14531 (NWA 14531)

(Northwest Africa)

Purchased: August 2021

Classification: Lunar meteorite (feldspathic breccia)

Petrography: (J. Gattacceca, CEREGE) Igneous rock made of mineral and melt rock lithic clasts set in a feldspathic glassy matrix with abundant vacuoles to 200 µm. Ilmenite and metal are present.

Geochemistry: Olivine Fa22.2, FeO/MnO 101.4 (n=1). Pyroxene Fs28.7±6.7Wo8.3±4.7, FeO/MnO = 57.2 (n=4). Plagioclase An95.1Ab4.6Or0.2 (n=2). Chromite Cr# 0.61.

Classification: Lunar meteorite (Feldspathic breccia)

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

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Guelmin, Morocco
Date:P August 2021
Mass (g):9.32
Pieces:1
Class:Lunar (feldsp. breccia)
Weathering grade:low
Fayalite (mol%):22.2 (n=1)
Ferrosilite (mol%):28.7±6.7 (n=4)
Wollastonite (mol%):8.3±4.7
Magnetic suscept.:3.18
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):2.0
Type spec location:CEREGE
Main mass:Kuntz
Finder:anonymous
Comments:work name K546; 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. 111, in preparation (2022)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8559 approved meteorites from (Northwest Africa) (plus 1896 unapproved names)

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