Appearance of the Cenozoic-type chemosynthetic communities and its paleoecological factors
Project/Area Number |
23540546
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Stratigraphy/Paleontology
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Research Institution | Joetsu University of Education |
Principal Investigator |
AMANO Kazutaka 上越教育大学, その他部局等, 副学長 (50159456)
|
Project Period (FY) |
2011 – 2013
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Project Status |
Completed (Fiscal Year 2013)
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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)
|
Keywords | 化学合成群集 / 新生代 / シロウリガイ / シンカイヒバリガイ / 暁新世 / 沈木群集 / シロウリガイ類 / シンカイヒバリガイ類 / 種多様性 / モミジソデボラ / ハイカブリニナ / オウナガイ |
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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Report
(4 results)
Research Products
(34 results)
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[Journal Article] A Paleogene deep-sea methane-seep community from Honshu, Japan2013
Author(s)
Amano, K., Jenkins, R. G., Sako, Y., Ohara, M. and Kiel, S.
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Journal Title
Palaeogeography, Palaeoclimatology, Palaeoecology
Volume: 387
Pages: 126-133
DOI
Related Report
Peer Reviewed
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