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Asuka 881220
Basic information Name: Asuka 881220
     This is an OFFICIAL meteorite name.
Abbreviation: A-881220
Observed fall: No
Year found: 1988
Country: Antarctica [Collected by National Institute of Polar Research, Japan]
Mass:help 49 g
Classification
  history:
NHM Catalogue:  5th Edition  (2000)  Stone
NIPR Catalogue:  2000 Edition  (2000)  Unclassified
MetBase:  v. 7.1  (2006)  Stone
Recommended:  Ureilite    [explanation]

This is 1 of 497 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 6 Oct 2005
Revised 6 Oct 2005: Metbase class replaced by that in MN 13(1)
Writeuphelp
Writeup from MN J13(1):

A-881220

Ureilite

The PTS (51-1) shows a coarse-grained (< 2.5 mm) aggregate of pyroxene and olivine with dark materials along rims of minerals. Olivine shows a dusty appearance.  Rims of pyroxene are in many cases finely recrystallized.  Pyroxene has a composition of Fs13.0-13.4Wo3.6-13.1 and an FeO/MnO of 11-45.  Olivine has a composition of Fo77.1-78.7 and a FeO/MnO of ~45.

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,13(1),1-24 (2005-10)
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 38937 approved meteorites from Antarctica (plus 5051 unapproved names)
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