Meteoritical Bulletin: Entry for Northwest Africa 14285

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Northwest Africa 14285

Basic information

Name: Northwest Africa 14285
This is an OFFICIAL meteorite name.
Abbreviation: NWA 14285
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass: 383 g

Classification
history:

Recommended:

Iron, IAB-sLH [explanation]

This is 1 of 13 approved meteorites classified as Iron, IAB-sLH. [show all]
Search for other: IAB complex irons, Iron meteorites, and Metal-rich meteorites

Comments:

Approved 11 Nov 2021

Writeup

Writeup from MB 110:

Northwest Africa 14285 (NWA 14285)

(Northwest Africa)

Purchased: 2020

Classification: Iron meteorite (IAB-sLH)

Petrography: (J. Gattacceca, CEREGE) Iron meteorite composed of plessite. Troilite nodules (to 200 µm) containing µm-sized metal blebs and dendritic kamacite are common.

Geochemistry: (H. Pourkhorsandi and V. Debaille, ULB): Composition of the metal (ICP-MS) is Co=0.77±0.02, Ni=20.99±0.31 (both in wt% ±1 sigma), Cr=0.27±0.15, Cu=347±3, Ga=4.09±0.24, Ge=4.42±0.23, As=21.63±0.90, Mo=3.40±0.03, Pd=8.86±0.13, W=0.23, Ir=0.06±0.01, Au=2.00±0.21 (all in ppm ±1 sigma).

Classification: Iron (IAB-sLH)

Specimens: Type specimen at CEREGE. Main mass with Labenne

Data from:
  MB110
  Table 0
  Line 0:

Place of purchase:	Morocco
Date:	P 2020
Mass (g):	383
Pieces:	1
Class:	Iron, IAB-sLH
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	21
Type spec location:	CEREGE
Main mass:	Labenne
Finder:	anonymous
Comments:	work name LL140920a; 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)
Labenne: 23, rue de Esperance, 75013 Paris, France; Website (private address; updated 29 Aug 2012)
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:
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Photos:

Credit	Photos
Public domain photographs:
Jerome Gattacceca

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 8509 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

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