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Northwest Africa 14735
Basic information Name: Northwest Africa 14735
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14735
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 573 g
Recommended:  Iron, ungrouped    [explanation]

This is 1 of 143 approved meteorites (plus 1 unapproved name) classified as Iron, ungrouped.   [show all]
Search for other: Iron meteorites, Metal-rich meteorites, and Ungrouped irons
Comments: Approved 8 May 2022
Writeup from MB 111:

Northwest Africa 14735 (NWA 14735)

(Northwest Africa)

Purchased: 2021 Aug

Classification: Iron meteorite (ungrouped)

History: The meteorite was found in the area of Boudnib in the Errachida province of Morocco.

Petrography: (Jérôme Gattacceca, Clara Maurel, CEREGE) Iron meteorite with coarse octahedrite structure. Kamacite bandwith is 1.4 mm. Multiple sets of Neumann bands are visible. Schreibersite is found as elongated fractured grains (typical size 300 µm by 2 mm).

Geochemistry: XRF measurement of a polished cut surface gives Ni 8.15 wt%, Co 0.497 wt%. (V. Debaille, ULB) Composition of the metal (ICP-MS) is Co=0.50±0.00 (both in wt% ± 1 sigma), Cr below detection limit, Cu=164.9±1.5, Ga=37.5±1.2, As=7.86±0.21, Mo=4.83±0.03, Pd=3.67±0.04, Ir=0.01±0.00, Au=0.76±0.04 (all in ppm ± 1 sigma). Ge was not measured.

Classification: Iron, ungrouped.

Specimens: Type specimen at CEREGE. Main mass with Isabelle Pothier and Matthew Stream.

Data from:
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2021 Aug
Mass (g):573
Class:Iron, ungrouped
Weathering grade:low
Classifier:Jérôme Gattacceca, CEREGE
Type spec mass (g):20.9
Type spec location:CEREGE
Main mass:Isabelle Pothier, Matthew Stream
Comments:work name CM92; submitted by Jérôme Gattacceca
   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)
ULB: Université libre de Bruxelles Avenue Franklin Roosevelt 50 - 1050 Bruxelles, Belgium (institutional address; updated 27 Sep 2018)
References: Published in Meteoritical Bulletin, no. 111, in preparation (2022)
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     This is 1 of 8674 approved meteorites from (Northwest Africa) (plus 1882 unapproved names)

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