2016 Fiscal Year Final Research Report
Drilling investigation for Matsushima giant landslide hypothesis
| Project/Area Number |
26350488
|
|---|
| Research Category |
Grant-in-Aid for Scientific Research (C)
|
| Allocation Type | Multi-year Fund |
|---|
| Section | 一般 |
|---|
| Research Field |
Natural disaster / Disaster prevention science
|
|---|
| Research Institution | Kagawa University |
|---|
Principal Investigator |
|
|---|
| Research Collaborator |
ITO Hisatoshi 電力中央研究所
SUGAWARA Hiroki 東松島市奥松島縄文村歴史資料館
|
|---|
| Project Period (FY) |
2014-04-01 – 2017-03-31
|
| Keywords | 松島 / 地すべり / ボーリング / U-Pb年代測定 |
|---|
| Outline of Final Research Achievements |
A core drilling was performed at Matsushima, Miyagi Prefecture, where a large landslide was supposed to happen, creating picturesque small islands in the Matsushima Bay. Zircon U-Pb dating was performed at three points, namely, upper block of the supposed landslide, the supposed landslide plane, and lower block of the supposed landslide, using tuffs and tuffaceous sandstone. All of them yielded ~15 Ma, which indicates there is no geochronological evidence for the supposed landslide.
|
| Free Research Field |
地質工学
|
