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Northwest Africa 13512
Basic information Name: Northwest Africa 13512
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13512
Observed fall: No
Year found: 2019
Country: Morocco
Mass:help 105 g
Classification
  history:
Meteoritical Bulletin:  MB 110  (2022)  Aubrite
Recommended:  Aubrite    [explanation]

This is 1 of 83 approved meteorites classified as Aubrite.   [show all]
Search for other: Achondrites, Aubrites, Enstatite achondrites, and Enstatite-rich meteorites
Comments: Approved 23 Jan 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13512 (NWA 13512)

Morocco

Purchased: 2019 Dec

Classification: Enstatite achondrite (Aubrite)

History: Three visually-similar specimens (total weight 105 g) found together near Boudnib, Morocco were purchased by Mohammed Hmani in December 2019.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) The specimen has a mean grainsize of ~400 µm and is composed predominantly of equant grains of enstatite with subordinate sodic plagioclase and accessory altered Si-bearing kamacite, altered Cr-troilite and schreibersite.

Geochemistry: Enstatite (Fs0.2±0.0Wo0.6-0.7, N = 3), plagioclase (Ab91.4An2.6Or6.0; Ab76.4An21.4Or2.3; N = 2), kamacite (Si = 1.5 wt.%, Ni = 7.9 wt.%).

Classification: Aubrite.

Specimens: 20.5 g including one polished thin section at UWB; remainder with Mr. M. Hmani.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Boudnib, Morocco
Date:P 2019 Dec
Mass (g):105
Pieces:3
Class:Aubrite
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):0.2±0.0
Wollastonite (mol%):0.6-0.7
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):20.5
Type spec location:UWB
Main mass:M. Hmani
Comments:Work name MH-Q7; 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)
Hmani: A. Hmani Moroccan Imports, 13 rue Jules Hardouin Mansart, 92600 Asnières, France (private address)
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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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 2082 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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