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| Yamato 981617 | |||||||||||||||||
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| Basic information | Name: Yamato 981617 This is an OFFICIAL meteorite name. Abbreviation: Y-981617 Observed fall: No Year found: 1998 Country: Antarctica [Collected by National Institute of Polar Research, Japan] Mass:  134.7 g | ||||||||||||||||
| Classification history: |
This is 1 of 569 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||
| Comments: | Approved 20 Jun 2010 | ||||||||||||||||
| Writeup |
Writeup from MN J19:
Yamato 981617 (Y 981617) Antarctica Found: 1998 Classification: HED achondrite (Eucrite) Petrography: The section is a coarse-grained (several mm in size) gabbroic texture composed of pyroxene and plagioclase with minor silica and oxide minerals. Pyroxene is inverted pigeonite that contains thick lamellae and blebs of augite. Geochemistry: Compositions of orthopyroxene are Fs45-48 (FeO/MnO ~30), and those of plagioclase are An87-90. Classification: This meteorite is a eucrite. | ||||||||||||||||
| Data from: MB98 Table 2 Line 744: |
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| Institutions and collections |
NIPR: Antarctic Meteorite Research Center, National Institute of Polar Research, 10-3 Midori-cho, Tachikawa, Tokyo 190-8518, Japan; Website (institutional address; updated 9 Dec 2013) |
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| References: | Published in Meteorite newsletter : Japanese collection of Antarctic meteorites /Meteorite newsletter : Japanese collection of Antarctic meteorites ,19, (2010-03) Published in Meteoritical Bulletin, no. 98, MAPS 45, 1530-1551 (2010)
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Geography:
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Statistics: This is 1 of 43700 approved meteorites from Antarctica (plus 3802 unapproved names) | ||||||||||||||||