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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:
Meteoritical Bulletin:  MB 109  (2021)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 616 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 10 Jun 2023)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Gattacceca J., McCubbin F. M., Grossman J., Bouvier A., Bullock E., Chennaoui Aoudjehane H., Debaille V., D’Orazio M., Komatsu M., Miao B. and Schrader D. L. (2021) The Meteoritical Bulletin, No. 109. Meteoritics & Planetary Science 56, 1626–1630.
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Ryan Upchurch   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names)

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