2013 Fiscal Year Final Research Report
Establishment of standard planktonic foraminiferal time scale for Pacific Neogene sequences
| Project/Area Number |
23740377
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Geology
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| Research Institution | Shimane University |
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Principal Investigator |
HAYASHI Hiroki 島根大学, 総合理工学研究科(研究院), 准教授 (80399360)
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| Project Period (FY) |
2011 – 2013
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| Keywords | 生層序学 / 新第三紀 / 微化石層序 / 浮遊性有孔虫 / 統合国際深海掘削計画 |
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| Research Abstract |
I investigated planktonic foraminiferal biostratigraphy of ocean floor sediments in the eastern equatorial Pacific region drilled by Integrated Ocean Drilling Program (IODP), as a member of the Pacific Equatorial Age Transect Project (PEAT). I determined 60 planktonic foraminiferal biohorizons from this site for the last 16 million years.
In addition, I established a synthetic planktonic foraminiferal biostratigraphy comprising of 43 biohorizons for Neogene sequences in the Kumano region, northwestern Pacific, using five drilling sites of the Nankai Trough Seismogenic Zone Experience (NanTroSEIZE) project.
To test the reliability of these biohorizons for Japanese sequences, I examined planktonic foraminiferal biostratigraphy of land sections including the Kuri Formation in Shimane Prefecture and the Hatatate Formation in Miyagi Prefecture. As a results, stratigraphic significances and paleoclimatic implications of these sequences have been improved from previous studies.
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Research Products
(22 results)
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[Journal Article] Data report : revised composite depth scales for Sites U1336, U1337, and U1338. In Paelike, H., Lyle, M., Nishi, H., Raffi, I., Gamage, K., Klaus, A., and the Expedition 320/321 Scientists2013
Author(s)
Wilkens, R.H., Dickens, G.R., Tian, J., Backman, J., and the Expedition 320/321 Scientists
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Journal Title
Proceedings of the Integrated Ocean Drilling Program, Tokyo (Integrated Ocean Drilling Program Management International, Inc.)
Volume: vol. 320/321
DOI
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[Book] Proceedings of the Integrated Ocean Drilling Program, vol.3382013
Author(s)
Strasser, M., Dugan, B., Kanagawa, K., Moore, G.F., Toczko, S., Maeda, L., and the Expedition 338 Scientists
Publisher
Integrated Ocean Drilling Program Management International, Inc., for the Integrated Ocean Drilling Program
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