2017 Fiscal Year Final Research Report
Ore-forming process and fluid inclusion study in magma-hydrothermal system
| Project/Area Number |
26820393
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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 |
Earth system and resources engineering
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| Research Institution | Akita University |
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Principal Investigator |
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| Research Collaborator |
IMAI Akira 九州大学, 大学院工学研究院, 教授
BLAMEY Nigel Western University, Department of Earth Sciences, 助教
CHARUSIRI Punya Chulalongkorn University, Department of Geology, 教授
WATANABE Yasushi 秋田大学, 大学院国際資源学研究科, 教授
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| Project Period (FY) |
2014-04-01 – 2018-03-31
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| Keywords | 浅熱水金鉱床 / 斑岩銅鉱床 / スカルン金鉱床 / 鉱床形成プロセス / 流体包有物 / 酸素-水素-硫黄同位体 / 菱刈鉱床 / Chatree鉱床 |
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| Outline of Final Research Achievements |
This research focused on epithermal gold deposits and porphyry copper-gold deposits in Japan, Thailand, Laos and so on. Laboratory experiment conducted are naked eye and microscopic observation of ores and description of ore mineral assemblage, XRD analysis, age dating, bulk chemical composition analysis, fluid inclusion microthermometry and gas composition analysis, EPMA analysis and isotopic composition analysis. In the study of the Hishikari deposits, Kagoshima, Japan, a relationship among the gold content of quartz veins, ore-forming depth, trapping temperature and salinity of hydrothermal fluids and fluid inclusion gas composition was observed. On the basis of this relationship, the characteristics and behavior of hydrothermal fluids were examined. Similar studies to reveal ore-forming process were conducted for other deposits.
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| Free Research Field |
金属鉱床学
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