Meteoritical Bulletin: Entry for Northwest Africa 14283

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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: 650 g

Classification
history:

Recommended:

Iron, IIAB [explanation]

This is 1 of 144 approved meteorites classified as Iron, IIAB. [show all]
Search for other: IIAB irons, Iron meteorites, and Metal-rich meteorites

Comments:

Approved 11 Nov 2021

Writeup

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)

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 8402 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

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