| Project/Area Number |
15K05314
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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 |
Geology
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| Research Institution | Yamaguchi University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
君波 和雄 山口大学, 理工学研究科, 教授 (20127757)
永嶌 真理子 山口大学, 大学院創成科学研究科, 准教授 (80580274)
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| Co-Investigator(Renkei-kenkyūsha) |
ITAYA Tetsumaru NPO法人地球年代学ネットワーク, 理事長 (60148682)
KAMEI Atsushi 島根大学, 総合理工学部, 教授 (60379691)
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Keywords | 白亜紀 / 沈み込み帯 / 村上石 / ランプロファイアー / 海洋プレート / ロールバック / 高Nb玄武岩 / 火成岩 / 西南日本 / 火成活動 / アジア大陸 / カルデラ / 流紋岩 |
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| Outline of Final Research Achievements |
Recently, flat-slab subduction to slab roll-back processes from Jurassic to Cretaceous at the eastern margin of Asian continents were proposed. Several geological events, and magma and mineral genesis related to slab roll-back process were revealed in this study; magma genesis of the High-Nb basalt of the Kyoto lamprophyres, petrogenesis of the Cretaceous Ofuku pluton related to the ore-genesis of the Yamato mine, magma mixing and mingling in the Futaoi-island, Yamaguchi Prefectute, and finding a new mineral “Murakamiite” in metasomatites from the Iwagi Islet, Ehime Prefecture, Japan.
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