Dynamics of fluid boiling in hydrothermal system and formation of mineral deposits
| Project/Area Number |
21340156
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Petrology/Mineralogy/Science of ore deposit
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| Research Institution | University of Tsukuba |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
KOMURO Kosei 筑波大学, 生命環境系, 講師 (40251037)
KUROSAWA Masanori 筑波大学, 生命環境系, 講師 (50272141)
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| Project Period (FY) |
2009 – 2011
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| Project Status |
Completed (Fiscal Year 2011)
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| Budget Amount *help |
¥18,460,000 (Direct Cost: ¥14,200,000、Indirect Cost: ¥4,260,000)
Fiscal Year 2011: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2010: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2009: ¥11,050,000 (Direct Cost: ¥8,500,000、Indirect Cost: ¥2,550,000)
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| Keywords | 熱水鉱床 / 沸騰 / 気液分配 / 酸素同位体 / 流体包有物 / 流体含有物 / 重金属の分配 / 酸素同位体比 |
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| Research Abstract |
Vapor/liquid partitioning coefficients for heavy metals were experimentally determined in order to understand the process of metal transport in vapor and precipitation to form mineral deposits. Volatile metals such as copper selectively partitioned into vapor under the presence of reduced sulfur species. Oxygen, hydrogen and sulfur isotopic compositions for ore and gangue minerals clarify origin of ore-forming fluids. Porphyry type deposits are formed from ore-forming fluid of magmatic origin, and metamorphic water is important for the formation of orogenic-type gold deposits. Both magmatic and meteoric waters are responsible for epithermal deposits.
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Report
(4 results)
Research Products
(57 results)
