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Northwest Africa 14041
Basic information Name: Northwest Africa 14041
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14041
Observed fall: No
Year found: 2021
Country: Mali
Mass:help 11.7 kg
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 6 Jul 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14041 (NWA 14041)

Mali

Purchased: 2021 Feb

Classification: Lunar meteorite (feldspathic breccia)

History: Found in Mali by camel shepherds in January 2021 and subsequently purchased in Algeria by Ahmed Salek.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Breccia composed of mineral clasts of anorthite, olivine, low-Ca pyroxene, pigeonite, exsolved pigeonite and minor Ti-chromite set in a fine grained matrix containing minor secondary calcite and a K-Ca-bearing zeolite phase.

Geochemistry: Olivine (Fa29.0-51.5, FeO/MnO = 99-102, N = 4), low-Ca pyroxene (Fs23.3Wo3.7, FeO/MnO = 60), pigeonite (Fs32.6-68.1Wo8.7-19.5, FeO/MnO = 52-75, N = 4), pigeonite host (Fs42.0Wo10.4, FeO/MnO = 66), augite exsolution lamella (Fs22.1Wo40.6, FeO/MnO = 71), anorthite (An90.8-96.0Or0.1, N = 3).

Classification: Lunar (feldspathic breccia).

Specimens: 23.6 g in the form of a polished endcut at UWB; remainder with Mr. A. Salek.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Algeria
Date:P 2021 Feb
Mass (g):11700
Pieces:5
Class:Lunar (feldsp. breccia)
Shock stage:low
Weathering grade:low
Fayalite (mol%):29.0-51.5
Ferrosilite (mol%):23.3; 32.6-68.1
Wollastonite (mol%):3.7; 8.7-19.5
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):23.6
Type spec location:UWB
Main mass:A. Salek
Comments:Work name Ahmed 01; submitted by A. Irving
Institutions
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Mali
Coordinates:Unknown.

Statistics:
     This is 1 of 54 approved meteorites from Mali (plus 1 unapproved name)

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