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:

Recommended:

L4 [explanation]

This is 1 of 2025 approved meteorites (plus 4 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 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)
Wojciech Moscinski

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9344 approved meteorites from (Northwest Africa) (plus 1872 unapproved names)

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