NWA 14956

 

NWA 14956

Found Sahara, 2021

Iron Meteorite (Siderite)

IAB Complex

Octahedrite

Specimen is a 4.66g slice



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Northwest Africa 14956
Basic information Name: Northwest Africa 14956
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14956
Observed fall: No
Year found: 2021
Country: Morocco
Mass: 212 g
Classification
  history:
Recommended:   Iron, IAB Complex    [explanation]

This is 1 of 81 approved meteorites (plus 1 unapproved name) classified as Iron, IAB Complex.   [show all]
Search for other: IAB complex irons, Iron meteorites, and Metal-rich meteorites
Comments: Approved 19 Mar 2023
Writeup
Writeup from MB 112:

Northwest Africa 14956 (NWA 14956)

Morocco

Purchased: 2021 Dec

Classification: Iron meteorite (IAB complex)

History: Purchased by Fabien Kuntz from a Moroccan dealer in December 2021.

Physical characteristics: The single, disc-shaped mass is approximately 6 × 7 × 3 cm, and has a red-brown surface.

Petrography: (C. Herd, UAb) Photos of a polished and etched surface reveal a texture consisting of equant to elongate kamacite crystals, with long dimensions parallel to the long dimensions of the disc-shaped mass. No inclusions are apparent. Alteration extends along some grain boundaries into the interior.

Geochemistry: ICP-MS data, using sample of North Chile (Filomena) as standard (C. Herd, P. Hill, and S. DuFrane UAb): Ni = 6.2, Co = 0.451 (both wt%); Ir = 2.0, Ga = 67, Ge = 221, Pt = 15.4, Cu = 182 (all μg/g).

Classification: (C. Herd, UAb): IAB Complex iron.

Specimens: Type specimen of 31.3 g at UAb. Main mass with Fabien Kuntz.

Data from:
  MB112
  Table 0
  Line 0:
Place of purchase: Guelmim
Date: P 2021 Dec
Mass (g): 211.5
Pieces: 1
Class: Iron, IAB Complex
Shock stage: moderate
Weathering grade: low
Classifier: C. Herd, UAb
Type spec mass (g): 31.3
Type spec location: UAb
Main mass: Fabien Kuntz
Comments: Field number K552; submitted by C. Herd
Institutions
   and collections		 UAb: 1-26 Earth Sciences Building, University of Alberta, Edmonton, AB, T6G 2E3, Canada, Canada; Website (institutional address; updated 17 Oct 2011)
Kuntz: Fabien Kuntz, France; Website (private address)

 

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