Meteoritical Bulletin: Entry for Northwest Africa 14798

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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: 356 g

Classification
history:

Meteoritical Bulletin:	MB 111	(2023)	Lunar (feldsp. breccia)
Recommended:			Lunar (feldsp. breccia) [explanation]

This is 1 of 340 approved meteorites classified as Lunar (feldsp. breccia). [show all]
Search for other: Lunar meteorites

Comments:

Approved 17 Apr 2022

Writeup

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 Fa_27.7±3.5, FeO/MnO = 94.6±5.7 (n=6); Pyroxene Fs_31.8±5.6Wo_14.5±6.7, FeO/MnO = 61.9±6.3 (n=5); Plagioclase An_96.7±0.8Ab_3.1±0.6Or_0.3±0.2(n=3). Ophitic clast: Olivine Fa_42.3, FeO/MnO = 99.6 (n=1), Pyroxene Fs_23.5±1.7Wo_26.4±3.1, FeO/MnO = 55.9 (n=3); Plagioclase An_94.7Ab_4.6Or_0.7(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 10 Jun 2023)

Catalogs:

References:

Published in Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?

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Geography:

Algeria

Coordinates:

Unknown.

Statistics:
This is 1 of 1358 approved meteorites from Algeria (plus 30 unapproved names) (plus 4 impact craters)

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Revision
history:

This lists important revisions made to data for this record.

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