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Northwest Africa 14798
Basic information Name: Northwest Africa 14798
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14798
Observed fall: No
Year found: 2020
Country: Algeria
Mass:help 356 g
Classification
  history:
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 280 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 17 Apr 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14798 (NWA 14798)

Algeria

Find: 2020

Classification: Lunar meteorite (feldspathic breccia)

Physical characteristics: Irregular gray stones

Petrography: (J. Gattacceca, CEREGE) Mineral and lithic clasts with ophitic texture set in a partly glassy feldspathic matrix. Main minerals are pyroxene and plagioclase. Accessory minerals: ilmenite, troilite, metal.

Geochemistry: Mineral clasts: Olivine Fa27.7±3.5, FeO/MnO = 94.6±5.7 (n=6); Pyroxene Fs31.8±5.6Wo14.5±6.7, FeO/MnO = 61.9±6.3 (n=5); Plagioclase An96.7±0.8Ab3.1±0.6Or0.3±0.2 (n=3). Ophitic clast: Olivine Fa42.3, FeO/MnO = 99.6 (n=1), Pyroxene Fs23.5±1.7Wo26.4±3.1, FeO/MnO = 55.9 (n=3); Plagioclase An94.7Ab4.6Or0.7 (n=2).

Classification: Achondrite (lunar, feldspathic breccia).

Specimens: Type specimen at CEREGE. Main mass with Jérémy Bassemon.

Data from:
  MB111
  Table 0
  Line 0:
Date:2020
Mass (g):355.6
Pieces:23
Class:Lunar (feldsp. breccia)
Weathering grade:low
Fayalite (mol%):27.7±3.5 (n=3)
Ferrosilite (mol%):31.8±5.6 (n=5)
Wollastonite (mol%):14.5±6.7
Magnetic suscept.:3.51
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):20
Type spec location:CEREGE
Main mass:Arnaud Valz-Blin, Emilie Cebe, Jeremy Bassemon
Finder:anonymous
Comments:work name JB54; 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. 111, in preparation (2022)
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Geography:

Algeria
Coordinates:Unknown.

Statistics:
     This is 1 of 1208 approved meteorites from Algeria (plus 29 unapproved names) (plus 4 impact craters)

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