Meteoritical Bulletin: Entry for Northwest Africa 13716

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Northwest Africa 13716

Basic information

Name: Northwest Africa 13716
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13716
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass: 53.5 g

Classification
history:

Recommended:

Martian (shergottite) [explanation]

This is 1 of 281 approved meteorites (plus 2 unapproved names) classified as Martian (shergottite). [show all]
Search for other: Martian meteorites

Comments:

Approved 28 Mar 2021

Writeup

Writeup from MB 110:

Northwest Africa 13716 (NWA 13716)

(Northwest Africa)

Purchased: 2020 Oct

Classification: Martian meteorite (Shergottite)

Physical characteristics: One fragile stone with gray interior and about 40% fusion crust

Petrography: (J. Gattacceca, CEREGE) Igneous rock with intersertal texture. Grain size 500 µm. Main minerals are zoned pyroxene and maskelynite. Other minerals: pyrrhotite, Fe-Ti oxides. Weathering appears to be minimal.

Geochemistry: Pyroxene Fs_36.7±6.4Wo_16.7±7.0, range Fs_28.6-48.1, FeO/MnO = 33.8±2.5 (n=9). Plagioclase An_52.7±33Ab_46.1±3.2Or_1.2±0.1.

Classification: Achondrite (shergottite)

Specimens: Type specimen at CEREGE. Main mass with Kuntz.

Data from:
  MB110
  Table 0
  Line 0:

Place of purchase:	Zagora, Morocco
Date:	P 2020 Oct
Mass (g):	53.5
Pieces:	1
Class:	Martian (shergottite)
Ferrosilite (mol%):	36.7±6.4 (n=9)
Wollastonite (mol%):	16.7±7.0
Magnetic suscept.:	2.92
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	11.64
Type spec location:	CEREGE
Main mass:	Kuntz
Finder:	anonymous
Comments:	work name K528; 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. 110, in preparation (2021)

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 8559 approved meteorites from (Northwest Africa) (plus 1896 unapproved names)

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