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Northwest Africa 14283
Basic information Name: Northwest Africa 14283
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14283
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 650 g
Classification
  history:
Meteoritical Bulletin:  MB 110  (2022)  Iron, IIAB
Recommended:  Iron, IIAB    [explanation]

This is 1 of 152 approved meteorites classified as Iron, IIAB.   [show all]
Search for other: IIAB irons, Iron meteorites, and Metal-rich meteorites
Comments: Approved 11 Nov 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14283 (NWA 14283)

(Northwest Africa)

Purchased: June 2020

Classification: Iron meteorite (IIAB)

Petrography: (J. Gattacceca, CEREGE) Iron meteorite with a coarset octahedrite structure composed of martensite grains about 4 mm in size. Schreibersite is present as 30 µm euhedral grains, and larger elongated grains (1 mm by 40 µm) separating martensite domains.

Geochemistry: (H. Pourkhorsandi and V. Debaille, ULB): Composition of the metal (ICP-MS) is Co=0.40±0.01, Ni=5.70±0.08 (both in wt% ±1 sigma), Cr=64.1±0.6, Cu=95.0±0.8, Ga=34.9±2.1, Ge=64.6±0.6, As=3.05±0.18, Mo=3.81±0.05, Pd=1.27±0.01, W=1.24±0.10, Ir=1.33±0.12, Au=0.34±0.03 (all in ppm ±1 sigma).

Classification: Iron (IIAB)

Specimens: Type specimen at CEREGE. Main mass with Kuntz.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Tindouf, Algeria
Date:P June 2020
Mass (g):650
Pieces:1
Class:Iron, IIAB
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):21.88
Type spec location:CEREGE
Main mass:Kuntz
Finder:anonymous
Comments:work name K503; submitted by Jérôme Gattacceca
Institutions
   and collections		 CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 10 Jun 2023)
Kuntz: Fabien Kuntz, France; Website (private address)
ULB: Université libre de Bruxelles Avenue Franklin Roosevelt 50 - 1050 Bruxelles, Belgium (institutional address; updated 27 Sep 2018)
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
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9921 approved meteorites from (Northwest Africa) (plus 1838 unapproved names)

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