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Northwest Africa 13149
Basic information Name: Northwest Africa 13149
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13149
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 251 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 13149 (NWA 13149)

(Northwest Africa)

Purchased: 2019 Sep

Classification: HED achondrite (Eucrite)

Physical characteristics: Several fragments, some with fusion crust, some without.

Petrography: (J. Gattacceca, CEREGE) Igneous rock with ophitic texture. Minerals include dominant exsolved pyroxene and plagioclase (grain size about 700 μm), chromite, troilite, silica polymorph, Fe,Ni metal.

Geochemistry: Pyroxenes: low Ca-pyroxene Fs62.2±0.8Wo3.3±1.0 (n=3), Ca-pyroxene Fs30.8Wo39.8 (n=2), FeO/MnO=34.7±2.1 (n=5). Plagioclase An88.1.3Ab11.6Or0.3 (n=1).

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):251
Pieces:several
Class:Eucrite
Ferrosilite (mol%):62.2±0.8 (n=3)
Wollastonite (mol%):3.3±1.0
Magnetic suscept.:2.67
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):21.64
Type spec location:CEREGE
Main mass:Kuntz
Comments:work name K446; 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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