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Northwest Africa 15125
Basic information Name: Northwest Africa 15125
     This is a PROVISIONAL name.
     It cannot be used in publications.
Abbreviation: NWA 15125
Observed fall: No
Year found: 2022
Country: Mali
Mass:help 165 g
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  Winonaite
Recommended:  Winonaite    [explanation]

Comments: Entered 14 Sep 2022
Revised 28 Nov 2022: Under reclassification
Writeuphelp
Writeup from MB 111:

Northwest Africa 15125 (NWA 15125)

Mali

Purchased: 2022 Feb

Classification: Primitive achondrite (Winonaite)

History: Found in Mali and purchased by Mbark Arjdal in February 2022 from a Malian dealer.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Protogranular aggregate of forsterite, enstatite, diopside, sodic plagioclase and kamacite, together with accessory chromite and merrillite.

Geochemistry: Forsterite (Fa8.2-8.4, FeO/MnO = 17, N = 3), enstatite (Fs9.1-9.3Wo1.0-1.9, FeO/MnO = 10-11, N = 4), diopside (Fs4.2-4.8Wo42.9-43.9, FeO/MnO = 7-8, N = 4), plagioclase (Ab82.5An13.3Or4.2).

Classification: Winonaite.

Specimens: 22 g including a polished endcut at UWB; remainder with Mr. M. Arjdal.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Mali
Date:P 2022 Feb
Mass (g):165
Pieces:1
Class:Winonaite
Shock stage:low
Weathering grade:low
Fayalite (mol%):8.2-8.4
Ferrosilite (mol%):9.1-9.3; 4.2-4.8
Wollastonite (mol%):1.0-1.9; 42.9-43.9
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):22
Type spec location:UWB
Main mass:M. Arjdal
Comments:Work name Arj ZM 824; 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. 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:

Mali
Coordinates:Unknown.
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Revision
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