Meteoritical Bulletin: Entry for Northwest Africa 14163

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Northwest Africa 14163

Basic information

Name: Northwest Africa 14163
This is an OFFICIAL meteorite name.
Abbreviation: NWA 14163
Observed fall: No
Year found: 2019
Country: Morocco
Mass: 139 g

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	EL-melt rock
Recommended:			EL-melt rock [explanation]

This is 1 of 26 approved meteorites classified as EL-melt rock. [show all]
Search for other: EL chondrites, Enstatite chondrites, Enstatite chondrites (type 4-7), Enstatite-rich meteorites, and Melted chondrites

Comments:

Approved 23 Aug 2021

Writeup

Writeup from MB 110:

Northwest Africa 14163 (NWA 14163)

Morocco

Find: 2019

Classification: Enstatite chondrite (EL melt rock)

Petrography: (J. Gattacceca, CEREGE) Highly recrystallized chondrite with grain size about 400 µm. Only relict chondrules are present. Enstatite is the dominant mineral, with subodinate sodic plagioclase. Accessory phases: troilite, daubreelite, schreibersite. Weathered metal is abundant. No pristine metal was found in the studied section.

Geochemistry: Enstatite Fs_0.5±0.3Wo_1.5±0.1, CaO 0.84±0.06 (n=5). Plagioclase An_15.0±0.2Ab_80.9±0.1Or_4.2±0.2(n=4). All metal is weathered and cannot be analyzed.

Classification: EL-melt rock, incompletely melted. Similar to and probably paired with Al Haggounia 001.

Specimens: Type specimen at CEREGE. Main mass with Daniel da Costa.

Data from:
  MB110
  Table 0
  Line 0:

Date:	2019
Mass (g):	139
Pieces:	1
Class:	EL-melt rock
Weathering grade:	high
Ferrosilite (mol%):	0.5±0.3 (n=5)
Wollastonite (mol%):	1.5±0.1
Magnetic suscept.:	4.31
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	38.5
Type spec location:	CEREGE
Main mass:	Daniel da Costa
Finder:	anonymous
Comments:	work name DC02; 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., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4

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Geography:

Morocco

Coordinates:

Unknown.

Statistics:
This is 1 of 2082 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater)

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Revision
history:

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