Meteoritical Bulletin: Entry for Northwest Africa 6153

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Northwest Africa 6153

Basic information

Name: Northwest Africa 6153
This is an OFFICIAL meteorite name.
Abbreviation: NWA 6153
Observed fall: No
Year found: 2010
Country: (Northwest Africa)
Mass: 37.4 g

Classification
history:

Meteoritical Bulletin:	MB 100	(2012)	E
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 28 Aug 2011
Revised 2 Sep 2019: Reclassified as another AH 001 pairing and added new info

Writeup

Writeup from MB 108:

Northwest Africa 6153: reclassification and supplemental information

Rubin (2016) reclassified Al Haggounia 001 and paired specimens as "vesicular, incompletely melted, EL chondrite impact melt rock[s]." NWA 6153 is likely paired, and is therefore also reclassified.

Details from A. Irving, UWS: NWA 6153 is an aggregate of predominantly enstatite (Fs_0.2-0.6Wo_1.4) with some sodic plagioclase, Si-bearing kamacite, troilite, schreibersite and alabandite. Sparse radial pyroxene chondrules are present. The specimen is crosscut by veinlets of iron hydroxides (from terrestrial weathering of kamacite), and is paired with NWA 2965, Al Haggounia 001, and others.

Bibliography:

Rubin A.E. (2016) Impact melting of the largest known enstatite meteorite: Al Haggounia 001, a fossil EL chondrite. Meteorit. Planet. Sci. 51 1576-1587. (link)

Data from:
  MB100
  Table 1
  Line 1295:

Origin or pseudonym:	Northwest Africa
Place of purchase:	Erfoud
Date:	P 2010 Jan
Mass (g):	37.4
Pieces:	1
Class:	E
Shock stage:	S1
Weathering grade:	W5
Ferrosilite (mol%):	0.2-0.6
Wollastonite (mol%):	1.4
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	8.6
Type spec location:	UWS
Main mass:	H. Strufe
Comments:	paired with Al Haggounia 001; submitted by A. Irving

Institutions
and collections

UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150

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Geography:

Coordinates:

Unknown.

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

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Revision
history:

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