2012 Fiscal Year Final Research Report
Deformation of olivine under Earth's upper mantle conditions and its implications for directions of the upper mantle flow
| Project/Area Number |
23740393
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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 |
Petrology/Mineralogy/Science of ore deposit
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| Research Institution | Ehime University |
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Principal Investigator |
OHUCHI Tomohiro 愛媛大学, 地球深部ダイナミクス研究センター, 助教 (60570504)
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| Co-Investigator(Renkei-kenkyūsha) |
NISHIHARA Yu 愛媛大学, 地球深部ダイナミクス研究センター, 准教授 (10397036)
KAWAZOE Takaaki ドイツ連邦バイロイト大学, バイエルン地球科学研究所, 助教 (40527610)
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| Project Period (FY) |
2011 – 2012
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| Keywords | 地球惑星物質 / 高圧地球科学 / マントルレオロジー |
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| Research Abstract |
Experimental studies have been conducted to investigate the relationship between the flow direction and seismic anisotropy in Earth’s upper mantle. Mantle flow was experimentally reproduced by using a simple-shear deformation technique under Earth’s upper mantle conditions, and then seismic properties of the samples were evaluated. Based on the experimental results by the present project, horizontal flow is expected to be the dominant flow style in the Earth’s upper mantle.
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