Meteoritical Bulletin: Entry for Northwest Africa 13494

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Northwest Africa 13494

Basic information

Name: Northwest Africa 13494
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13494
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass: 64.3 g

Classification
history:

Meteoritical Bulletin:	MB 109	(2020)	Eucrite
Recommended:			Eucrite [explanation]

This is 1 of 603 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Comments:

Approved 14 Nov 2020

Writeup

Writeup from MB 109:

Northwest Africa 13494 (NWA 13494)

(Northwest Africa)

Purchased: 2020 Jan

Classification: HED achondrite (Eucrite)

Petrography: (J. Gattacceca, CEREGE) Brecciated igneous rock with subophitic texture. Main minerals are pyroxene (exsolved) and maskelynite with typical size 250 µm. Some clasts have smaller grain size. Other minerals: chromite, ilmenite, troilite, metal, silica polymorph.

Geochemistry: Low-Ca pyroxene Fs_63.9±1.8Wo_3.1±1.5, FeO/MnO = 32.5±1.5 (n=5). Maskelynite An_88.6Ab_11.3Or_0.2.

Classification: Achondrite (eucrite).

Data from:
  MB109
  Table 0
  Line 0:

Place of purchase:	Zagora, Morocco
Date:	P 2020 Jan
Mass (g):	64.3
Pieces:	1
Class:	Eucrite
Weathering grade:	low
Ferrosilite (mol%):	63.9±1.8 (n=5)
Wollastonite (mol%):	3.1±1.5
Magnetic suscept.:	3.24
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	13.2
Type spec location:	CEREGE
Main mass:	Kuntz
Comments:	work name K477; 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)

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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 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)

Also see:

This lists the most popular meteorites among people who looked up this meteorite.

Revision
history:

This lists important revisions made to data for this record.

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