Meteoritical Bulletin: Entry for Northwest Africa 12965

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Northwest Africa 12965

Basic information

Name: Northwest Africa 12965
This is an OFFICIAL meteorite name.
Abbreviation: NWA 12965
Observed fall: No
Year found: 2019
Country: Morocco
Mass: 75.1 g

Classification
history:

Meteoritical Bulletin:	MB 108	(2020)	Martian (shergottite)
Recommended:			Martian (shergottite) [explanation]

This is 1 of 329 approved meteorites (plus 2 unapproved names) classified as Martian (shergottite). [show all]
Search for other: Martian meteorites

Comments:

Approved 29 Nov 2019

Writeup

Writeup from MB 108:

Northwest Africa 12965 (NWA 12965)

Morocco

Purchased: 2019 May

Classification: Martian meteorite (Shergottite)

Physical characteristics: Single stone without fusion crust

Petrography: (J. Gattacceca, CEREGE) Igneous rock with sub-ophitic texture. Typical grain size 800 µm. Main minerals are strongly zoned pyroxene and maskelynite. Pyroxene has lobate contacts with plagioclase. Opaque minerals are iron oxides and pyrrhotite to 200 µm.

Geochemistry: Pyroxene Fs_37.9±5.6Wo_31.0±2.0, range Fs_27.0-45.3Wo_32.5-27.6, FeO/MnO=36.6±2.7 (n=12). Maskelynite An_54.8±1.1Ab_43.3±1.4Or_1.9±0.4(n=7).

Classification: Martian (Shergottite)

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

Data from:
  MB108
  Table 0
  Line 0:

Place of purchase:	Ouarzazate, Morocco
Date:	P 2019 May
Mass (g):	75.1
Pieces:	1
Class:	Martian (shergottite)
Weathering grade:	minor
Magnetic suscept.:	3.13
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	15.37
Type spec location:	CEREGE
Main mass:	Kuntz
Comments:	work name K425; 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. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150

Find references in NASA ADS:
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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Ricardo Neto

Geography:

Morocco

Coordinates:

Unknown.

Statistics:
This is 1 of 2163 approved meteorites from Morocco (plus 32 unapproved names) (plus 1 impact crater)

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