2010 Fiscal Year Final Research Report
Remarkable negative feedback against Cretaceous Oceanic Anoxic Event : evidence from Southwestern Pacific region
| Project/Area Number |
20403016
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 海外学術 |
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| Research Field |
Stratigraphy/Paleontology
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| Research Institution | Kanazawa University |
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Principal Investigator |
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| Co-Investigator(Renkei-kenkyūsha) |
FUKUSHI Keisuke 金沢大学, 環日本海域環境研究センター, 助教 (90444207)
MORIYA Kazuyoshi 早稲田大学, 教育・総合科学学術院, 助手 (60447662)
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| Research Collaborator |
JAMES Crampton
BRAD Field
POUL Shioler
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| Project Period (FY) |
2008 – 2010
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| Keywords | 古環境学 / 海洋無酸素事変 / ニュージーランド / 白亜紀 / 炭素同位体比 / OAE |
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| Research Abstract |
The horizon previously interpreted to be Cenomanian/Turonian boundary was not the boundary. We found that the real boundary located at horizon that believed to have been near Coniacian. The horizon was composed of remarkable red beds. Such condition is opposite to the contemporaneous proto-Atlantic and Tethyan oceanic condition. This finding suggests that Southern Pacific has significant importance for elucidating mechanism of OAE2. Cooler deep water formation near this region during OAE2 could explain the red beds formation.
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[Journal Article] High resolution carbon isotope stratigraphy across the Cenomanian/Turonian boundary in the Tappu area2010
Author(s)
Hasegawa, T., Seo, S., Moriya, K., Tominaga, Y., Nemoto, T., Naruse, T.
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Journal Title
The Science Report of Kanazawa University
Volume: vol.54
Pages: 49-62
Peer Reviewed
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[Journal Article] Depth Dependency of the Paleocene-Eocene Carbon Isotope Excursion : paired benthic and terrestrial biomarkerrecords(ODP Leg 208, Walvis Ridge) Geochemistry2008
Author(s)
McCarren, H., Thomas, E., Hasegawa, T., Rohl, U., and Zachos, J. C.
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Journal Title
DOI
Peer Reviewed
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