Meteoritical Bulletin: Entry for Northwest Africa 12553

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Northwest Africa 12553

Basic information

Name: Northwest Africa 12553
This is an OFFICIAL meteorite name.
Abbreviation: NWA 12553
Observed fall: No
Year found: 2019
Country: Morocco
Mass: 241 g

Classification
history:

Meteoritical Bulletin:	MB 108	(2020)	CV3
Recommended:			CV3 [explanation]

This is 1 of 470 approved meteorites (plus 2 unapproved names) classified as CV3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites

Comments:

Approved 15 May 2019

Writeup

Writeup from MB 108:

Northwest Africa 12553 (NWA 12553)

Morocco

Purchased: 2019 Jan

Classification: Carbonaceous chondrite (CV3)

Petrography: (J. Gattacceca, CEREGE) Chondrite with large chondrules (~mm) and CAIs set in an abundant fine-grined iron-rich matrix. Opaque minerals are Fe,Ni metal, sulfide, magnetite.

Geochemistry: Olivine 17.2±16.1 (n=6). Low-Ca pyroxene Fs_4.4Wo_3.4(n=2). Defocused (10 µm) microprobe total in the matrix is 95.8% (n=2).

Classification: Carbonaceous chondrite (CV3)

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

Data from:
  MB108
  Table 0
  Line 0:

Place of purchase:	Essaouira, Morocco
Date:	P 2019 Jan
Mass (g):	240.8
Pieces:	1
Class:	CV3
Fayalite (mol%):	17.2±16.1 (n=6)
Ferrosilite (mol%):	4.4 (n=2)
Wollastonite (mol%):	3.4
Magnetic suscept.:	3.38
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	23.05
Type spec location:	CEREGE
Main mass:	Fabien Kuntz
Comments:	work name K398; 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 Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150

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Geography:

Morocco

Coordinates:

Unknown.

Statistics:
This is 1 of 2082 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater)

Also see:

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Revision
history:

This lists important revisions made to data for this record.

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