Meteoritical Bulletin: Entry for Northwest Africa 12524

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Northwest Africa 12524

Basic information

Name: Northwest Africa 12524
This is an OFFICIAL meteorite name.
Abbreviation: NWA 12524
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass: 349 g

Classification
history:

Recommended:

CK5 [explanation]

This is 1 of 202 approved meteorites classified as CK5. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites

Comments:

Approved 19 Nov 2020

Writeup

Writeup from MB 109:

Northwest Africa 12524 (NWA 12524)

(Northwest Africa)

Purchased: 2018 Apr

Classification: Carbonaceous chondrite (CK5)

History: The meteorite was found in the Sahara and purchased in Agadir

Physical characteristics: Crusted stone. Cut surface reveals dark-gray interior.

Petrography: Chondrite with recrystallized texture. Matrix is abundant. Opaque are mostly Cr-bearing magnetite and sulfides. Ca-phosphate is present. Rare metal. No CAI was observed over the 2 cm2 studied section.

Geochemistry: Olivine Fa_32.0±0.2, NiO 0.52±0.08 wt% (n=4). Plagioclase An_60.8Ab_38.3Or_0.9(n=1). Magnetite Cr₂O₃ 3.98 wt%.

Classification: Carbonaceous chondrite (CK5).

Specimens: 22 g and a polished section at CEREGE. Main mass with Labenne.

Data from:
  MB109
  Table 0
  Line 0:

Place of purchase:	Agadir
Date:	P 2018 Apr
Mass (g):	349
Pieces:	2
Class:	CK5
Weathering grade:	moderate
Fayalite (mol%):	32.0±0.2 (n=4)
Magnetic suscept.:	4.58
Classifier:	L. Krämer Ruggiu, J. Gattacceca, CEREGE
Type spec mass (g):	22.0
Type spec location:	CEREGE
Main mass:	Labenne Luc
Comments:	work name LL86; 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)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 109, in preparation (2020)

Find references in NASA ADS:
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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9042 approved meteorites from (Northwest Africa) (plus 1870 unapproved names)

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