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Northwest Africa 13146
Basic information Name: Northwest Africa 13146
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13146
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 287 g
Classification
  history:
Recommended:  Eucrite    [explanation]

This is 1 of 459 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 17 Feb 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13146 (NWA 13146)

(Northwest Africa)

Purchased: 2019 Sep

Classification: HED achondrite (Eucrite)

Physical characteristics: Single stone, about 60% covered by fusion crust with flowlines.

Petrography: (J. Gattacceca, CEREGE) Fragmental breccia with lithic clasts (ophitic texture) set in a clastic matrix. Main minerals are Ca-pyroxene and plagioclase. Other minerals include ilmenite, troilite, metal.

Geochemistry: Ca-pyroxene Fs57.8±3.4Wo14.3±4.5, FeO/MnO=32.0±1.5 (n=5). Plagioclase An88.4Ab11.1Or0.5 (n=2).

Specimens: Type specimen at CEREGE, main mass with Kuntz

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Guelmin, Morocco
Date:P 2019 Sep
Mass (g):287
Pieces:1
Class:Eucrite
Weathering grade:minor
Magnetic suscept.:3.71
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):27.69
Type spec location:CEREGE
Main mass:Kuntz
Comments:work name K441; 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. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7228 approved meteorites from (Northwest Africa) (plus 1998 unapproved names)

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