Near Equilibrium Reaction Kinetics of Mineral Dissolution and Precipitation in Hydrothermal Systems
Near Equilibrium Reaction Kinetics of Mineral Dissolution and Precipitation in Hydrothermal Systems
批准号:
9205444
负责人:
William Seyfried
金额:
$6.0万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1992
资助国家:
美国
项目状态:
已结题
起止时间:
1992-07-15 至 1994-06-30
中文摘要
首席研究员将进行旨在 评估近平衡矿物流体反应动力学在升高 温度和压力。这些实验最近将联合收割机 开发了同位素掺杂技术与流通方法 为了更好地限制流体化学和温度对 矿物溶解和沉淀的速率, 反应的亲和力接近于零。结果将应用于 热液蚀变过程和海底地热系统。
英文摘要
The principal investigator will conduct experiments designed to assess near-equilibrium mineral-fluid reaction kinetics at elevated temperatures and pressures. The experiments will combine recently developed isotopic doping techniques with flow-thru approaches to better constrain the role of fluid chemistry and temperature on the rate of mineral dissolution and precipitation when chemical affinity of the reaction is near-zero. Results will be applied to hydrothermal alteration processes and submarine geothermal systems.
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Acquisition of TQ-ICP-MS for Geochemical Research in the Department of Earth and Environmental Science at the University of Minnesota
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批准号:1946945
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项目类别:Standard Grant
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资助金额:$23.18万
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财政年份:2020
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负责人:William Seyfried
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依托单位:
A power law model of dynamic marine phytoplankton stoichiometry
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批准号:1827948
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项目类别:Standard Grant
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资助金额:$34.8万
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财政年份:2018
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负责人:William Seyfried
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依托单位:
Accomplishment Based Renewal: An experimental study of phase separation and mineral fluid equilibria on iron and hydrogen transport in mid-ocean ridge hydrothermal systems
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批准号:1736679
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项目类别:Standard Grant
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资助金额:$43.1万
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财政年份:2017
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负责人:William Seyfried
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依托单位:
Collaborative Research: The Response of Continental Hydrothermal Systems to Tectonic, Magmatic, and Climatic Forcing
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批准号:1515377
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项目类别:Continuing Grant
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资助金额:$59.36万
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财政年份:2015
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负责人:William Seyfried
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依托单位:
In-situ X-ray Tomography and Chemical Tracer Experiments Examining Hydrothermal Alteration of Peridotite: Pore Scale Studies with Implications for Water-Rock Interaction Models
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批准号:1426695
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项目类别:Continuing Grant
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资助金额:$25.14万
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财政年份:2014
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负责人:William Seyfried
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依托单位:
Collaborative Research: Experimental Study of Mineral-Fluid Fractionation of Non-Traditional Isotopes (Fe, Cu, Zn, S) with Implications for Seafloor Hydrothermal Systems
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批准号:1232704
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项目类别:Standard Grant
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资助金额:$26.8万
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财政年份:2012
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负责人:William Seyfried
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依托单位:
Experimental Calibration of Mineral-Fluid Fractionation of Non-Traditional Isotopes (Fe, Cu, 33-S): Implications for Mass Transfer in Seafloor Hydrothermal Systems
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批准号:1061308
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项目类别:Standard Grant
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资助金额:$16.0万
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财政年份:2011
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负责人:William Seyfried
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依托单位:
EAGER: Micromachined Sensors for Multi-functional and Autonomous Analysis of Geofluids: A New Approach to the Design and Performance of Chemical Sensors in Extreme Environments
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批准号:1043064
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项目类别:Standard Grant
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资助金额:$5.0万
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财政年份:2010
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负责人:William Seyfried
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依托单位:
Acquisition and Development of ICP-MS Instrumentation for Ocean Science Research at the University of Minnesota
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批准号:0961188
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项目类别:Standard Grant
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资助金额:$11.73万
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财政年份:2010
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负责人:William Seyfried
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依托单位:
Phase Separation in the Aftermath of Subseafloor Magmatic Events: An Experimental Study of Processes of Acid-Generation, Aqueous Speciation, and Vapor-Phase Transport of Fe
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批准号:0751771
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项目类别:Standard Grant
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资助金额:$35.37万
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财政年份:2008
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负责人:William Seyfried
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依托单位:
Effect of Redox and pH on the Reaction Kinetics of Anhydrite in a Coupled Chemical System: An Experimental Study with Implications for Modeling Vent Fluid Evolution at EPR 9-10 N
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批准号:0813861
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项目类别:Standard Grant
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资助金额:$29.93万
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财政年份:2008
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负责人:William Seyfried
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依托单位:
Hydrocarbons in Hydrothermal Vent Fluids: Mineral Catalyzed Metastability of Reduced Carbon Compounds at Elevated Temperatures and Pressures
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批准号:0549457
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项目类别:Continuing Grant
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资助金额:$37.39万
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财政年份:2006
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负责人:William Seyfried
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依托单位:
Geochemical Controls on the Composition of Coexisting Vapors and Brines: A Novel Experimental Approach to Assess Aqueous Speciation in Subseafloor Hydrothermal Systems
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批准号:0351069
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项目类别:Continuing Grant
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资助金额:$0.0万
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财政年份:2004
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负责人:William Seyfried
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依托单位:
In-Situ Sensors for Monitoring the Chemistry of Hydrothermal Fluids: Experimental Calibration and Field Applications
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批准号:0117117
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项目类别:Standard Grant
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资助金额:$0.0万
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财政年份:2002
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负责人:William Seyfried
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依托单位:
Geochemical Constraints on Light Emission in Seafloor Hydrothermal Systems: An Experimental Study Using In-Situ Spectral and Chemical Sensor Techniques
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批准号:0221031
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项目类别:Standard Grant
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资助金额:$0.0万
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财政年份:2002
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负责人:William Seyfried
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依托单位:
Thermal and Chemical Transport Processes near the Two Phase Boundary of Seawater
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批准号:9911471
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项目类别:Continuing Grant
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资助金额:$18.42万
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财政年份:2000
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负责人:William Seyfried
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依托单位:
Collaborative Research: Interdependence of Microbial Activity and Rates of Geochemical Reactions-An Interdisciplinary Experimental Study Under Hydrothermal Conditions
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批准号:0083151
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项目类别:Standard Grant
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资助金额:$17.9万
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财政年份:2000
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负责人:William Seyfried
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依托单位:
Mineral-Catalyzed CO 2 Reduction in Subseafloor Hydrothermal Systems: An Experimental Study of Elevated Temperatures and Pressures
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批准号:9818908
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项目类别:Standard Grant
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资助金额:$28.83万
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财政年份:1999
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负责人:William Seyfried
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依托单位:
Acquisition of LA-ICP-MS Facilities for Geochemical Research
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批准号:9904323
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项目类别:Standard Grant
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资助金额:$20.0万
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财政年份:1999
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负责人:William Seyfried
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依托单位:
Halogen (CI,F) Exchange and CI Isotope Fractionation During Fluid-Mineral Equilibria: Experimental Calibration of a New Tool to Study Subseafloor Hydrothermal Systems
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批准号:9529723
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项目类别:Continuing Grant
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资助金额:$14.58万
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财政年份:1996
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负责人:William Seyfried
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依托单位:
海外基金