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Northwest Africa 14566
Basic information Name: Northwest Africa 14566
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14566
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 50 g
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  Winonaite
Recommended:  Winonaite    [explanation]

This is 1 of 86 approved meteorites (plus 1 unapproved name) classified as Winonaite.   [show all]
Search for other: Primitive achondrites, Winonaites
Comments: Approved 25 May 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14566 (NWA 14566)

(Northwest Africa)

Purchased: 2021 Oct

Classification: Primitive achondrite (Winonaite)

History: Purchased by Juan Poblador in October 2021 from a dealer in Errachidia, Morocco.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Triple grain junction texture (mean grainsize ~100 µm). Composed of forsterite, enstatite, diopside, and altered kamacite with accessory sodic plagioclase, troilite and minor secondary barite.

Geochemistry: Forsterite (Fa0.8-1.1, FeO/MnO = 2-3, N = 4), enstatite (Fs1.5Wo0.4, FeO/MnO = 7; Fs4.6-4.8Wo1.8-2.2, FeO/MnO = 5; N = 5), diopside (Fs1.2-2.3Wo45.9-44.1, FeO/MnO = 3, N = 4), plagioclase (Ab85.2An10.8Or4.0).

Classification: Winonaite.

Specimens: 11.5 g in the form of a polished endcut at UWB; remainder with Mr. J. Poblador.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Errachidia
Date:P 2021 Oct
Mass (g):50
Pieces:1
Class:Winonaite
Shock stage:low
Weathering grade:low
Fayalite (mol%):0.8-1.1
Ferrosilite (mol%):4.6-4.8; 1.7-2.3
Wollastonite (mol%):1.8-2.2; 45.9-44.1
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):11.5
Type spec location:UWB
Main mass:J. Poblador
Comments:Work name JAP21-3; 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. ?
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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