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Northwest Africa 13494
Basic information Name: Northwest Africa 13494
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13494
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 64.3 g
Classification
  history:
Recommended:  Eucrite    [explanation]

This is 1 of 502 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 14 Nov 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13494 (NWA 13494)

(Northwest Africa)

Purchased: 2020 Jan

Classification: HED achondrite (Eucrite)

Petrography: (J. Gattacceca, CEREGE) Brecciated igneous rock with subophitic texture. Main minerals are pyroxene (exsolved) and maskelynite with typical size 250 µm. Some clasts have smaller grain size. Other minerals: chromite, ilmenite, troilite, metal, silica polymorph.

Geochemistry: Low-Ca pyroxene Fs63.9±1.8Wo3.1±1.5, FeO/MnO = 32.5±1.5 (n=5). Maskelynite An88.6Ab11.3Or0.2.

Classification: Achondrite (eucrite).

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Zagora, Morocco
Date:P 2020 Jan
Mass (g):64.3
Pieces:1
Class:Eucrite
Weathering grade:low
Ferrosilite (mol%):63.9±1.8 (n=5)
Wollastonite (mol%):3.1±1.5
Magnetic suscept.:3.24
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):13.2
Type spec location:CEREGE
Main mass:Kuntz
Comments:work name K477; 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 7741 approved meteorites from (Northwest Africa) (plus 1971 unapproved names)

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