Meteoritical Bulletin: Entry for Northwest Africa 14248

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Northwest Africa 14248

Basic information

Name: Northwest Africa 14248
This is an OFFICIAL meteorite name.
Abbreviation: NWA 14248
Observed fall: No
Year found: 2015
Country: Morocco
Mass: 3 kg

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 31 Oct 2021

Writeup

Writeup from MB 110:

Northwest Africa 14248 (NWA 14248)

Morocco

Purchased: 2015

Classification: Enstatite chondrite (EL melt rock)

History: Mike Martinez purchased the meteorites from Moroccan dealer. Hirdy Miyamoto purchased the samples from Mike Martinez in 2015.

Petrography: (T. Niihara and T. Mikouchi: UTok) A completely recrystallized enstatite chondrite with polygonal to irregular grain outlines. Several vesicles and fine metal droplets are existing. Most of metal grains have been oxidized. This meteorite probably paired with Al Haggounia 001.

Geochemistry: Mineral composition: Enstatite (En_98.6-97.4Wo_1.7-1.2, N=30) and plagioclase (Ab_80.8-71.9An_17.1-14.8Or_11.2-3.2, N=14). Kamacite contains ~1.2 wt% of Si.

Classification: EL-melt rock

Specimens: A 20 g type specimen is on deposit at UTok.

Data from:
  MB110
  Table 0
  Line 0:

Place of purchase:	Morocco
Date:	P 2015
Mass (g):	3000
Pieces:	Many
Class:	EL-melt rock
Weathering grade:	W4
Ferrosilite (mol%):	0.5 (0.1-1.2, N=30)
Wollastonite (mol%):	1.4 (1.2-1.7, N=30)
Classifier:	T.Niihara and T. Mikouchi (UTok)
Type spec mass (g):	20
Type spec location:	UTok
Main mass:	Hirdy Miyamoto, Takafumi Niihara (UTok/TeNQ)
Comments:	Submitted by T.Niihara and T. Mikouchi (UTok)

Institutions
and collections

UTok: University Museum, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan (institutional address; updated 3 Oct 2021)

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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