2009 Fiscal Year Final Research Report
Analysis of whole Triassic oceanic events-OAEs repeated in deep-sea-
| Project/Area Number |
19540482
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Geology
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| Research Institution | Ehime University |
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Principal Investigator |
HORI S.rie Ehime University, 理工学研究科, 准教授 (30263924)
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| Co-Investigator(Kenkyū-buntansha) |
KODAMA Kazuto 高知大学, 海洋コア総合研究センター, 教授 (00153560)
IKEHARA Minoru 高知大学, 海洋コア総合研究センター, 准教授 (90335919)
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| Research Collaborator |
KURODA Junichiro 海洋研究開発機構, 研究員
ABRAJEVITCH Alexandra 高知大学, 海洋コア総合研究センター, PD研究員
SPORLI K.bernhard University of Auckland
GRANT-MACKIE J.A. University of Auckland
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| Project Period (FY) |
2007 – 2009
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| Keywords | 地質学 / 三畳系 |
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| Research Abstract |
Oceanic environmental changes of whole Triassic interval have been examined on deep-sea sedimentary rocks from SW Japan and New Zealand. Through the geochemical, paleontological and paleomagnetic studies, we have obtained the following results, 1) Oceanic Anoxic Event (OAE) of early Triassic did not occur uniformly, and their magnitude depended on depositional areas. 2) A Late Triassic OAE has been detected, which is strongly related to fluctuation of Carbon cycle in ocean, and 3) isotopic profiles such as C-isotope for whole Lower Triassic and Upper Triassic to Lower Jurassic have been clarified.
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[Presentation] Grant-Mackie, Early Triassic (Induan) Radiolarian fossils and C-isotope excursion of a deep-sea sequence from Waiheke Island, North Island, N. Z2009
Author(s)
Rie S. Hori, Satoshi Yamakita, Minoru Ikehara・Kazuto Kodama, Yoshiaki Aita, Toyosaburo Sakai Atsushi Takemura, Yoshihito Kamata, Noritoshi Ssuzuki, Satoshi Takahashi, K. Bernhard Sporli Jack A
Organizer
The 12th Meeting of the International Association of Radiolarian Paleontologists
Place of Presentation
南京(中国)
Year and Date
2009-09-15
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