Geochemical prediction of aquifer temperatures in the geothermal system at Long Valley, California. [160/sup 0/ to 219/sup 0/C]
Geochemical prediction of aquifer temperatures in the geothermal system at Long Valley, California. [160/sup 0/ to 219/sup 0/C]
Temperatures of aquifers feeding thermal springs and wells in Long Valley, California were estimated using silica and Na--K--Ca geothermometers and warm spring mixing models. The results ranged from 160 to 219/sup 0/C. This information was then used to construct a diagram showing enthalpy-chloride relationships for the various thermal waters in the Long Valley region. The enthalpy-chloride information suggests that a 282/sup 0/C aquifer with water containing about 375 milligrams chloride per kilogram of water is present somewhere deep in the system. That deep water would be related to 219/sup 0/C Casa Diablo water by mixing with cold water, and to 201/sup 0/C Hot Creek water by boiling and steam loss. Oxygen and deuterium isotopic data are consistent with this interpretation. An aquifer at 282/sup 0/C with 375 mg/kg chloride allows the estimated convective heat flow in Long Valley to be increased from 4.3 x 10/sup 7/ to 6.6 x 10/sup 7/ cal/sec.
- University of North Texas United States
Kgra, Thermodynamic Properties, Western Region Geothermal Legacy 150302* -- Geothermal Exploration & Exploration Technology-- Geochemical Techniques & Surveys, Halogen Compounds, Oxygen Isotopes, Hydrothermal Systems, California, Hot Springs, Mixing, Thermal Waters, Enthalpy, Isotopes, Isotope Ratio, Thermal Springs, Minerals, Mathematical Models, Stable Isotopes, Silicon Compounds, Oxides, Silica, Heat Flux, Elements, Heat Transfer, Halides, Chemistry, Aquifers, Oxygen Compounds, Even-Even Nuclei, Silicon Oxides, Convection, Geothermal Fields, 15 Geothermal Energy, Hydrogen Isotopes, Geothermometry, Chlorides, Geothermal Legacy, Light Nuclei, Usa, Long Valley, Oxygen 16, Oxygen 18, Deuterium, Nuclei, Geochemical Surveys, Physical Properties, Nonmetals, Energy Transfer, Chlorine Compounds, Chalcogenides, Hydrogen
Kgra, Thermodynamic Properties, Western Region Geothermal Legacy 150302* -- Geothermal Exploration & Exploration Technology-- Geochemical Techniques & Surveys, Halogen Compounds, Oxygen Isotopes, Hydrothermal Systems, California, Hot Springs, Mixing, Thermal Waters, Enthalpy, Isotopes, Isotope Ratio, Thermal Springs, Minerals, Mathematical Models, Stable Isotopes, Silicon Compounds, Oxides, Silica, Heat Flux, Elements, Heat Transfer, Halides, Chemistry, Aquifers, Oxygen Compounds, Even-Even Nuclei, Silicon Oxides, Convection, Geothermal Fields, 15 Geothermal Energy, Hydrogen Isotopes, Geothermometry, Chlorides, Geothermal Legacy, Light Nuclei, Usa, Long Valley, Oxygen 16, Oxygen 18, Deuterium, Nuclei, Geochemical Surveys, Physical Properties, Nonmetals, Energy Transfer, Chlorine Compounds, Chalcogenides, Hydrogen
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