Meteoritical Bulletin: Entry for Northwest Africa 13145

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Northwest Africa 13145

Basic information

Name: Northwest Africa 13145
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13145
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass: 957 g

Classification
history:

Recommended:

LL3 [explanation]

This is 1 of 452 approved meteorites classified as LL3. [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 31 Jan 2020

Writeup

Writeup from MB 109:

Northwest Africa 13145 (NWA 13145)

(Northwest Africa)

Purchased: 2019 May

Classification: Ordinary chondrite (LL3)

Petrography: (J. Gattacceca, CEREGE) Chondrite with packed chondrules with average apparent diameter 1090±600 µm (n=33). Opaque are metal and sulfides.

Geochemistry: Olivine Fa_24.8±9.6, Fa PMD=30% (n=5). Low-Ca pyroxene Fs_13.2±8.4Wo_1.6±1.1(n=4).

Classification: LL3. LL group based on chondrule size.

Specimens: Type specimen at CEREGE, main mass with Kuntz

Data from:
  MB109
  Table 0
  Line 0:

Place of purchase:	Zagora, Morocco
Date:	P 2019 May
Mass (g):	957
Pieces:	1
Class:	LL3
Weathering grade:	W4
Fayalite (mol%):	24.8±9.6 (n=5)
Ferrosilite (mol%):	13.2±8.4 (n=4)
Wollastonite (mol%):	1.6±1.1
Magnetic suscept.:	4.27
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	34
Type spec location:	CEREGE
Main mass:	Kuntz
Comments:	work name K430; 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 29 Oct 2018)
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)
Ryan Upchurch

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9116 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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