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Northwest Africa 13792
Basic information Name: Northwest Africa 13792
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13792
Observed fall: No
Year found: 2020
Country: Algeria
Mass:help 4.54 kg
Meteoritical Bulletin:  MB 110  (2022)  Iron, IIIAB
Recommended:  Iron, IIIAB    [explanation]

This is 1 of 343 approved meteorites classified as Iron, IIIAB.   [show all]
Search for other: IIIAB irons, Iron meteorites, and Metal-rich meteorites
Comments: Approved 8 Apr 2021
Writeup from MB 110:

Northwest Africa 13792 (NWA 13792)


Purchased: 2020 Jan 23

Classification: Iron meteorite (IIIAB)

History: Purchased over the Internet from anonymous finder; was shipped from Morocco. Reported by the finder to have been found in Algeria.

Physical characteristics: The approximately fist-sized meteorite is irregularly shaped, with a few regmaglypts on its dark brown outer surface, and minor rust spots.

Petrography: (C. Herd, UAb) Optical investigation of a ~5 × 7 cm polished and etched surface reveals a well-developed Widmanstatten pattern consistent with a medium octahedrite (1.05 ± 0.13 mm; n=65). No inclusions were identified in the specimen that was studied.

Geochemistry: ICP-MS data, using sample of North Chile (Filomena) as standard (C. Herd, P. Hill, and S. DuFrane UAb): Ni = 7.5, Co = 0.50 (both wt%); Ir = 4.23, Ga = 19, Ge = 49, As = 4.5, W = 1.1, Ru = 9.2, Re = 0.33, Os = 2.0, Pt = 13.1, Cu = 154, Au = 0.50 (all μg/g).

Classification: (C. Herd, UAb): IIIAB iron, medium octahedrite.

Specimens: Type specimen consisting of a 277.78 g representative end piece at UAb. Main mass with Robert Verish.

Data from:
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2020 Jan 23
Mass (g):4535
Class:Iron, IIIAB
Classifier:C. Herd, UAb
Type spec mass (g):277.78
Type spec location:UAb
Main mass:Verish
Comments:Submitted by C. Herd
   and collections
UAb: 1-26 Earth Sciences Building, University of Alberta, Edmonton, AB, T6G 2E3, Canada, Canada; Website (institutional address; updated 17 Oct 2011)
Verish: Robert Verish, Meteorite-Recovery Lab, P.O. Box 463084, Escondido, CA 92046, United States; Website (private address; updated 27 May 2009)
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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Public domain photographs:
Christopher Herd                        


     This is 1 of 1356 approved meteorites from Algeria (plus 30 unapproved names) (plus 4 impact craters)

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