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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:
Meteoritical Bulletin:  MB 110  (2022)  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 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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
Catalogs:
References: Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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    (Caution, these are of unknown reliability)
Dirk Hohmann      
Robert Smart      
Geography:

Mali
Coordinates:Unknown.

Statistics:
     This is 1 of 116 approved meteorites from Mali (plus 2 unapproved names)
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Revision
  history:
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