| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2011: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Research Abstract |
Vesicomyids and bathymodiolins which are characteristic taxa of the Cenozoic
chemosynthetic communities appeared in the upper bathyal and highly diversified communities with
thyasirids. The bathymodiolins spread geographycally to Japan during the late Eocene and the early Oligo- cene despite they appeared in the middle Eocene of North America. The Paleocene wood-fall commnunities have been fisrt discovered from the Katsuhira Formation, eastern Hokakido and do not include any bathy- modiolins. Aporrhaid gasrtopods flourished in the Creataceous in Japan have also been first found from thePaleocene Katsuhira Formation. From these, the Cenozoic-type chemosynthetic communities appeared after theextinction event at PETM.
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