Meteoritical Bulletin: Entry for Northwest Africa 13150

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Northwest Africa 13150

Basic information

Name: Northwest Africa 13150
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13150
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass: 5.9 g

Classification
history:

Meteoritical Bulletin:	MB 109	(2021)	CM2
Recommended:			CM2 [explanation]

This is 1 of 641 approved meteorites classified as CM2. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites

Comments:

Approved 17 Feb 2020

Writeup

Writeup from MB 109:

Northwest Africa 13150 (NWA 13150)

(Northwest Africa)

Purchased: 2019 Sep

Classification: Carbonaceous chondrite (CM2)

Physical characteristics: Several black fragments from few milligrams to 0.18 g

Petrography: (J. Gattacceca, CEREGE) Small chondrules (average apparent diameter 300±150 µm, n=19) and minerals fragments set in an abundant fine-grained, Fe-rich, phyllosilicate-rich matrix. Many chondrules have fine-grained dust rim. Opaque minerals are mostly magnetite and sulfides, with rare metal as small grains enclosed within silicates.

Geochemistry: Olivine Fa_8.2±10.2(n=13), Cr₂O₃ in ferroan olivine 0.37±0.07 wt% (n=5). Low-Ca pyroxene Fs_1.9Wo_1.0(n=2). Microprobe analytical total over a 50 × 50 um2 matrix area is 75.6 wt%.

Specimens: Type specimen at CEREGE, main mass with Kuntz

Data from:
  MB109
  Table 0
  Line 0:

Place of purchase:	Guelmin, Morocco
Date:	P 2019 Sep
Mass (g):	5.91
Pieces:	several
Class:	CM2
Fayalite (mol%):	8.2±10.2 (n=13)
Ferrosilite (mol%):	1.9 (n=2)
Wollastonite (mol%):	1.0
Magnetic suscept.:	4.20
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	1.20
Type spec location:	CEREGE
Main mass:	Kuntz
Comments:	work name K447; 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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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9921 approved meteorites from (Northwest Africa) (plus 1838 unapproved names)

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