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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:help 75.1 g
Classification
  history:
Recommended:  Martian (shergottite)    [explanation]

This is 1 of 200 approved meteorites (plus 1 unapproved name) classified as Martian (shergottite).   [show all]
Search for other: Martian meteorites
Comments: Approved 29 Nov 2019
Writeuphelp
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 Fs37.9±5.6Wo31.0±2.0, range Fs27.0-45.3Wo32.5-27.6, FeO/MnO=36.6±2.7 (n=12). Maskelynite An54.8±1.1Ab43.3±1.4Or1.9±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 29 Oct 2018)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1419 approved meteorites from Morocco (plus 15 unapproved names) (plus 1 impact crater)

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