2017 Fiscal Year Final Research Report
The driving force of the plate motion based on the plate reorganization of plate boundaries surrounding the Cretaceous Pacific Plate and spreading rates
| Project/Area Number |
15K05261
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Solid earth and planetary physics
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| Research Institution | Chiba University |
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Principal Investigator |
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Keywords | 太平洋プレート / 海底地形 / 磁気異常縞模様 |
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| Outline of Final Research Achievements |
The studies of topographic features, magnetic anomaly lineations and seismic reflection profiles around the Hokkaido and Nova-Canton troughs revealed that the Hokkaido trough is the trace of the break-up of the Cretaceous Pacific Plate after the formation of the Shatsky Rise was finished and that the Nova-Canton troughs was formed after the formation of the Ontong Java Plateau. These results suggest that the change in the activity of the mantle plume resulted in the reorganization of the plate boundaries.
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| Free Research Field |
海洋底地球科学
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