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| Asuka 881220 | |||||||||||||||||
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| 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:  49 g | ||||||||||||||||
| Classification history: |
This is 1 of 627 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) | ||||||||||||||||
| Writeup |
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. | ||||||||||||||||
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| 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:
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Statistics: This is 1 of 43856 approved meteorites from Antarctica (plus 3802 unapproved names) | ||||||||||||||||
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