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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:
Recommended:  Iron, IIAB    [explanation]

This is 1 of 145 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 29 Oct 2018)
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 Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8495 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

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