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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:
Meteoritical Bulletin:  MB 111  (2023)  Lunar (feldsp. breccia)
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 336 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 10 Jun 2023)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
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Revision
  history:
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