Meteoritical Bulletin: Entry for Northwest Africa 13503

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Northwest Africa 13503

Basic information

Name: Northwest Africa 13503
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13503
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass: 138.6 g

Classification
history:

Recommended:

CK3 [explanation]

This is 1 of 79 approved meteorites classified as CK3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CK chondrites, CK3 chondrites, and CV-CK clan chondrites

Comments:

Approved 14 Nov 2020

Writeup

Writeup from MB 109:

Northwest Africa 13503 (NWA 13503)

(Northwest Africa)

Purchased: 2019 Oct

Classification: Carbonaceous chondrite (CK3)

Physical characteristics: Dark brown stone. Cut surface shows a dark interior with large chondrules and CAIs set in abundant matrix.

Petrography: (J. Gattacceca, CEREGE) Chondrite with large well-defined chondrules (average apparent diameter ~750 μm) and CAIs set in abundant fine-grained iron-rich matrix. Opaque are mainly magnetite and sulfides.

Geochemistry: Olivine Fa_21.5±8.3, Fa PMD = 37%, NiO 0.21±0.18 wt% (n=6). Ca-pyroxene Fs_13.0Wo_50.7(n=1). Magnetite has 2.29 wt% Cr₂O₃ (n=2).

Classification: Carbonaceous chondrite (CK3).

Specimens: Type specimen at CEREGE. Main mass with Kuntz.

Data from:
  MB109
  Table 0
  Line 0:

Place of purchase:	Zagora, Morocco
Date:	P 2019 Oct
Mass (g):	138.6
Pieces:	1
Class:	CK3
Fayalite (mol%):	21.5±8.3 (n=6)
Magnetic suscept.:	4.62
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	22.5
Type spec location:	CEREGE
Main mass:	Kuntz
Comments:	work name K469; 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)

Catalogs:

References:

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

Find references in NASA ADS:
Find references in Google Scholar:

Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Qi Lv
Robert Smart

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9116 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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