Meteoritical Bulletin: Entry for Northwest Africa 13147

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Northwest Africa 13147

Basic information

Name: Northwest Africa 13147
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13147
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass: 403 g

Classification
history:

Meteoritical Bulletin:	MB 109	(2021)	L4
Recommended:			L4 [explanation]

This is 1 of 2104 approved meteorites (plus 5 unapproved names) classified as L4. [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 31 Jan 2020

Writeup

Writeup from MB 109:

Northwest Africa 13147 (NWA 13147)

(Northwest Africa)

Purchased: 2019 Sep

Classification: Ordinary chondrite (L4)

Physical characteristics: Single stone, no fusion crust

Petrography: (J. Gattacceca, CEREGE) Chondrite with well-delineated packed chondrules (average apparent diameter 640±280 μm, n=19). Opaques are Fe,Ni metal and troilite.

Geochemistry: Olivine Fa_24.6±1.1, Fa PMD 3.2% (n=17). Low-Ca pyroxene Fs_17.6±4.4Wo_1.6±1.2, range Fs_12.4-24.3(n=5)

Classification: Ordinary chondrite (L4).

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):	403
Pieces:	1
Class:	L4
Weathering grade:	W2
Fayalite (mol%):	24.6±1.1 (n=17)
Ferrosilite (mol%):	17.6±4.4 (n=5)
Wollastonite (mol%):	1.6±1.2
Magnetic suscept.:	4.88
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	29.87
Type spec location:	CEREGE
Main mass:	Kuntz
Comments:	work name K443; 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)
Wojciech Moscinski

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names)

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