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	(2021)	Mesosiderite
Recommended:			Mesosiderite [explanation]

This is 1 of 279 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 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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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9921 approved meteorites from (Northwest Africa) (plus 1838 unapproved names)

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