Meteoritical Bulletin: Entry for Northwest Africa 13496

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Northwest Africa 13496

Basic information

Name: Northwest Africa 13496
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13496
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass: 123 g

Classification
history:

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

This is 1 of 273 approved meteorites classified as Mesosiderite. [show all]
Search for other: Mesosiderites, Metal-rich meteorites

Comments:

Approved 14 Nov 2020

Writeup

Writeup from MB 109:

Northwest Africa 13496 (NWA 13496)

(Northwest Africa)

Purchased: 2020 Feb

Classification: Mesosiderite

Petrography: (J. Gattacceca, CEREGE) Igneous rock with pyroxene dominant over plagioclase. Typical grain size 500 μm. Abundant metal as mm-sized contorted grains, and μm-sized inclusions in silicates. Other minerals: troilite to 100 μm, silica polymorph to 50 µm, chromite.

Geochemistry: Low-Ca pyroxene Fs_34.8±0.3Wo_2.9±0.2, FeO/MnO = 24.7±0.6 (n=3). Plagioclase An89.8An_10.0Or_0.2(n=2).

Classification: Mesosiderite.

Data from:
  MB109
  Table 0
  Line 0:

Place of purchase:	Zagora, Morocco
Date:	P 2020 Feb
Mass (g):	123
Pieces:	many
Class:	Mesosiderite
Weathering grade:	moderate
Ferrosilite (mol%):	34.8±0.3 (n=3)
Wollastonite (mol%):	2.9±0.2
Magnetic suscept.:	5.20
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	21.7
Type spec location:	CEREGE
Main mass:	Kuntz
Comments:	work name K484; 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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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

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Revision
history:

This lists important revisions made to data for this record.

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