Meteoritical Bulletin: Entry for Asuka 881839

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Asuka 881839

Basic information

Name: Asuka 881839
This is an OFFICIAL meteorite name.
Abbreviation: A-881839
Observed fall: No
Year found: 1988
Country: Antarctica [Collected by National Institute of Polar Research, Japan]
Mass: 39.6 g

Classification
history:

NHM Catalogue:	5th Edition	(2000)	Stone
NIPR Catalogue:	2000 Edition	(2000)	Unclassified
MetBase:	v. 7.1	(2006)	Stone
Recommended:			Diogenite [explanation]

This is 1 of 515 approved meteorites classified as Diogenite. [show all]
Search for other: Achondrites, Diogenites, and HED achondrites

Comments:

Approved 28 Jun 2007

Writeup

Writeup from MN J15(1):

A-881839

The section shows a breccia composed of mm-sized orthopyroxene and minor plagioclase. Orthopyroxene in some cases contains blebby augite. Orthopyroxene has a composition of Fs_25.6-27.7Wo_3.2-9.4 and a FeO/MnO ratio of ~27. Plagioclase is An_88.4-91.5. The meteorite is a brecciated diogenite.

Catalogs:

Search for this meteorite in the NIPR database (Japan):

References:

Published in Meteorite newsletter : Japanese collection of Antarctic meteorites/Meteorite newsletter : Japanese collection of Antarctic meteorites,15, (2007-06)
Never published in the Meteoritical Bulletin

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Geography:

Antarctica

Coordinates:
Catalogue of Meteorites:	(72° 50'S, 24° 30'E)
Recommended::	(72°S, 26°E)

Note: the NHM and MetBase coordinates are 105.9 km apart

Statistics:
This is 1 of 43857 approved meteorites from Antarctica (plus 3802 unapproved names)

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