Meteoritical Bulletin: Entry for Northwest Africa 15472

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Northwest Africa 15472

Basic information

Name: Northwest Africa 15472
This is an OFFICIAL meteorite name.
Abbreviation: NWA 15472
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass: 162 g

Classification
history:

Meteoritical Bulletin:	MB 112	(2023)	EL6
Recommended:			EL6 [explanation]

This is 1 of 133 approved meteorites classified as EL6. [show all]
Search for other: EL chondrites, Enstatite chondrites, Enstatite chondrites (type 4-7), and Enstatite-rich meteorites

Comments:

Approved 7 Jan 2023

Writeup

Writeup from MB 112:

Northwest Africa 15472 (NWA 15472)

(Northwest Africa)

Purchased: 2022

Classification: Enstatite chondrite (EL6)

History: The meteorite was purchased from a meteorite dealer in Morocco.

Physical characteristics: Brownish fragment largely covered with fusion crust.

Petrography: Enstatite melt rock showing a recrystallized texture of up to 200 µm sized enstatite and subordinate sodic plagioclase grains plus interspersed rounded albitic, Si-rich melt inclusions. Opaque phases include Si-bearing kamacite, troilite, and daubréelite. No relict chondrules have been observed.

Geochemistry: enstatite: Fs_0.3±0.2Wo_1.4±0.2(Fs_0.1-0.6Wo_0.8-1.7, n=10); feldspar: An_18.3±1.1Ab_77.9±0.9Or_3.8±0.3(An_15.4-19.1Ab_-77.0-80.2Or_3.5-4.4, n=10); kamacite: Ni=6.1±0.5, Si=1.12±0.06, Co=0.32±0.03, n=5

Data from:
  MB112
  Table 0
  Line 0:

Place of purchase:	Morocco
Date:	P 2022
Mass (g):	162
Pieces:	1
Class:	EL6
Shock stage:	S1
Weathering grade:	high
Ferrosilite (mol%):	0.3
Wollastonite (mol%):	1.4
Classifier:	A. Greshake, MNB
Type spec mass (g):	20
Type spec location:	MNB
Main mass:	Boulaouane Taleb Ahmed
Comments:	Submitted by Ansgar Greshake

Institutions
and collections

MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 112, in preparation (2023)

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

Also see:

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Revision
history:

This lists important revisions made to data for this record.

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