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Northwest Africa 14418
Basic information Name: Northwest Africa 14418
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14418
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 482 g
Classification
  history:
Recommended:  Eucrite    [explanation]

This is 1 of 554 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 31 Oct 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14418 (NWA 14418)

(Northwest Africa)

Purchased: 2020 Dec

Classification: HED achondrite (Eucrite)

History: Found by Saadbouh Mohamed Ali and later acquired from M. Alfriri by the Rock & Co. Society (Bouhayek/Maugein/LUI) in Nouakchott in December 2020.

Petrography: (J. Gattacceca, CEREGE) Brecciated igneous rock with lithic clasts with variolitic and ophitic textures. Main minerals are exsolved pyroxene and plagioclase. Accessory minerals: ilmenite, silica polymorph, chromite, metal, troilite.

Geochemistry: Low-Ca pyroxene Fs59.8±0.5Wo2.1±1.1 (n=5). Ca-pyroxene exsolution Fs25.4Wo45.0 (n=1). Pyroxene FeO/MnO = 30.0±1.9 (n=6). Plagioclase An86.9±1.6Ab12.7±1.5Or0.5±0.1 (n=3).

Classification: Achondrite (eucrite)

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Nouakchott, Mauritania
Date:P 2020 Dec
Mass (g):482
Pieces:1
Class:Eucrite
Weathering grade:low
Ferrosilite (mol%):59.8±0.5 (n=5)
Wollastonite (mol%):2.1±1.1
Magnetic suscept.:3.22
Classifier:Jérôme Gattacceca, CEREGE
Type spec mass (g):35
Type spec location:CEREGE
Main mass:Pascal Maugein
Finder:Saadbouh Mohamed Ali
Comments:work name CM72; 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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8394 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

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