| Project/Area Number |
25400511
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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 |
Petrology/Mineralogy/Economic geology
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| Research Institution | Nagoya University |
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Principal Investigator |
Enami Masaki 名古屋大学, 宇宙地球環境研究所, 教授 (20168793)
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| Co-Investigator(Kenkyū-buntansha) |
KATO Takenori 名古屋大学, 宇宙地球環境研究所, 准教授 (90293688)
TSUBOI Motohiro 関西学院大学, 理工学部, 教授 (60411774)
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Keywords | 花こう岩類 / 変成岩類 / 地質温度計 / 地質圧力計 / 上昇速度 / 低圧型変成帯 / 花崗岩 / 変成岩 / 圧力 / 領家帯 / 高T/P変成作用 / 固結条件 |
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| Outline of Final Research Achievements |
Kaizuki-yama granite, which intruded into the Jurassic Mino terrane, were estimated using conventional geothermobarometers, and a possible cooling process of the body was proposed. Calcic plagioclase (up to An90) was commonly occurs in the granite, and is consider to show evidence for assimilation of limestone and/or skarn in country rocks during intrusion of acidic magma.
(2) Exhumation rate of low-pressure/high-temperature type Ryoke belt was discussed based on petrological and mineralogical studies of granitoids and their surrounding metapelites. The “Kamihara tonalite”, one of the oldest intrusive bodies, is separated into two groups considering their forming conditions.
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