| Budget Amount *help |
¥16,120,000 (Direct Cost: ¥12,400,000、Indirect Cost: ¥3,720,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2016: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2015: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2014: ¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2013: ¥5,850,000 (Direct Cost: ¥4,500,000、Indirect Cost: ¥1,350,000)
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| Outline of Final Research Achievements |
We first explored how the mantle evolves through its 4.5 billion year-history in terrestrial planets of various sizes as a consequence of magmatism and mantle convection, based on a series of two-dimensional numerical simulation. Through these works, we identified the elementary processes that dominate mantle evolution such as formation of global scale structure by tectonic plates and a positive feedback that operates between magmatism and upwelling flow of the solid-mantle. Then, we developed three-dimensional numerical models of magmatism and mantle convection including plate tectonics to see if these processes operate in a three-dimensional spherical mantle to shape the mantle evolution in the manner expected from our two-dimensional studies.
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