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:

Meteoritical Bulletin:	MB 109	(2021)	CK3
Recommended:			CK3 [explanation]

This is 1 of 91 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 10 Jun 2023)
Kuntz: Fabien Kuntz, France; Website (private address)

Catalogs:

References:

Published in Gattacceca J., McCubbin F. M., Grossman J., Bouvier A., Bullock E., Chennaoui Aoudjehane H., Debaille V., D’Orazio M., Komatsu M., Miao B. and Schrader D. L. (2021) The Meteoritical Bulletin, No. 109. Meteoritics & Planetary Science 56, 1626–1630.

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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 9921 approved meteorites from (Northwest Africa) (plus 1838 unapproved names)

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