| Oxygen Isotope Systematics and Reservoir Evolution of The Northwest Geysers, CA |
Walters, Mark A.; Moore, Joseph N.; Nash, Gregory D.; Renner, Joel L. |
Exploration; Geochemical surveys; Isotopes; Metagreywacke |
Oxygen-18; Geochemistry; Noncondensable Gas; Hydrothermal Alteration; Geology; Geologic Maps; Granitic Pluton; Felsite; Faults; High Temperature Reservoir; The Geysers |
Geothermal Resources Council Transactions |
1996 |
English |
| Relocation of Microearthquakes and Relationship Between Hypocentres and the Deep-Seated Plutonic Body in the Kakkonda Geothermal Field, Northeast Japan |
Tosha, T.; Sugihara, M.; Nishi, Y. |
Microseismicity; Geophysical surveys |
Velocity models; Honshu Island; Topography; Iwate; Computer programs; Probability density; Seismic energy |
Geothermal Resources Council Transactions |
1996 |
English |
| Geothermal Resources Map of the Tohoku Volcanic Arc, Northeast Japan |
Tamanyu, Shiro; Takahashi, Masaaki; Murata, Yasuaki; Kimbara, Keiji; Kawamura, Masayori; Yamaguchi, Humiharu |
Exploration; Mapping; Volcanism; GIS |
Exploration; Resource Assessment; Resource Base; Assessment; Digital Mapping; Potential Geothermal Field; Geothermal Resource Map |
Geothermal Resources Council Transactions |
1996 |
English |
| Geophysical Characterization of the Carson Lake, Nevada Geothermal Resource |
Ross, Howard; Benoit, Dick; Desormier, Bill |
Exploration; Geophysical surveys; Gravity surveys; Magnetic |
Exploration; Churchill; Geophysical Surveys; Magnetic Survey; Gravity Survey; Spontaneous Potential; Self-potential; Thermal Anomaly |
Geothermal Resources Council Transactions |
1996 |
English |
| Complex Analysis of Both Drilling-Induced Tensile Fractures and Stress-Induced Borehole Breakouts for Estimating of 3-D in Situ Stress State |
Okabe, Takashi; Shinohara, Nobuo; Takasugi, Shinji; Hayashi, Kazuo |
Fractures; Borehole breakouts; Stress fields; Hydraulic frac |
DTF; SBB; Stresses; Compressive stresses; Tensile stresses; Stress state; Models; Inversion |
Geothermal Resources Council Transactions |
1996 |
English |
| Seismic Reflection & VSP in Some Geothermal Fields in Japan -- A Contribution to a Knowledge of Fractured Reservoir Characterization |
Nakagome, Osamu; Ishii, Yoshinori; Uchida, Toshihiro; Horikoshi, Takamasa |
Exploration; Geophysical surveys; Seismic reflection surveys |
Exploration; Reservoir Engineering; Iwate, Shizuoka Oita; Kakkonda, Yutsubo; Permeability; Fault Zone; Mapping; Volcanics; Seismic Noise |
Geothermal Resources Council Transactions |
1996 |
English |
| Hydrothermal Alteration in the EPF Replacement Wells, Olkaria Geothermal Field, Kenya |
Mungania, Johnson |
Exploration; Hydrothermal alteration; Geological surveys; Pe |
Exploration; Drilling; Reservoir Engineering; Cuttings; Petrography; Replacement Wells; KPLC; KPC |
Geothermal Resources Council Transactions |
1996 |
English |
| The Origin and Relation Among Hot and Cold CO2-Rich Mineral Waters in Vilarelho da Raia - Pedras Salgadas Region, Northern Portugal: A Geochemical Approach |
Marques, Jose M.; Aires-Barros, Luis; Graca, Rui C. |
Exploration; Geochemical surveys; Isotopes; Geothermometers; |
Exploration; Tras-Os-Montes; Chaves; Chemistry; Chloride; Conceptual Models; Deuterium; Geothermometers; Isotopes; Mineralization; Models; Tritium; Water-rock Reaction; Cold Springs; Fault; Granite; Groundwater; Hot Springs; Resistivity; Surface Waters; C |
Geothermal Resources Council Transactions |
1996 |
English |
| Alteration Mineralogy of the Dixie Valley Geothermal System, Nevada |
Lutz, Susan J.; Moore, Joseph N.; Benoit, Dick |
Exploration; Geological surveys; Petrology/petrography; Hydr |
Exploration; Production; Reservoir Engineering; Basin and Range; Geothermometers; Hydrothermal Alteration; X-Ray Diffraction; Fault Zone; Lithology; Petrography; Chalcedony; Reservoir Rocks; Earthquakes; Hot Springs; Tracers; Permeability; Injection Wells |
Geothermal Resources Council Transactions |
1996 |
English |
| A Hydrogeological and Geochemical Model of the High-Temperature Geothermal System of Amatitlan, Guatemala |
Lima, E.; Fujino, T.; McNitt, J. R.; Klein, C. W.; Greensfelder, R. W.; Robertson-Tait, A.; Roldan, A.; Palma, J. |
Exploration; Geological surveys; Geophysical surveys; Geoche |
Geology; Stratigraphy; Wells; Lithology; Temperatures; Pressures; Volcan de Pacaya; Geophysics; Geochemistry; Gravity surveys; Resistivity; Enthalpy; Chlorine; Outflow tongue |
Geothermal Resources Council Transactions |
1996 |
English |
| The Use of Vortex Equipment for the Extraction of Valuable Components from High-Temperature Geothermal Heat-Carriers |
Latkin, A. S. |
Direct use; Mineral extraction; Equipment design; Fluid dyna |
High Temperature Hydrothermal Heat-Carriers; Solutions; Electricity and Heat Production; Vortex Equipment; Mathematical Models; Separation; Hydrothermal Fluids; Nontraditional Sources; Multiple-component; Poor Raw; Difficult to Process Mineral Raw Materia |
Geothermal Resources Council Transactions |
1996 |
English |
| Potential for Use of Gas Flux Measurements in Surface Exploration for Geothermal Resources |
Klusman, Ronald W.; LeRoy, Michael P. |
Exploration; Geochemical surveys; Soil gas surveys; Methane; |
Exploration; Soil Gas; Utah; Roosevelt; Beowawe; Steamboat; Soil Gas Flux |
Geothermal Resources Council Transactions |
1996 |
English |
| Numerical Simulation of Electrokinetic Potentials Associated with Natural and Production-Induced Hydrothermal Fluid Flows |
Ishido, Tsuneo; Pritchett, John W. |
Computer modeling; Hydrogeology; Reservoir modeling; Geophys |
Reservoir simulations; Postprocessors; Numerical modeling; SP changes; SP anomalies; Self-potential (SP); Gradients |
Geothermal Resources Council Transactions |
1996 |
English |
| Geothermal Activity and Energy of the Yakedake Volcano, Gifu-Nagano, Japan |
Iriyama, Jun |
Exploration; Volcanism; Fumaroles; Geochemical surveys; Ther |
Environmental; Exploration; Power Generation; Drilling; Fumaroles; Solfatara; Volcanics; Hazards; Electrical Conductivity; PH; Hot Springs; High Temperature; MWt (Mega Watt Thermal); Chemical Composition; Yakedake Volcano; Geothermal Activity; Geothermal |
Geothermal Resources Council Transactions |
1996 |
English |
| A Comparison of Geothermometers for The Geysers Coring Project, California -- Implications for Paleotemperature Mapping and Evolution of The Geysers Hydrothermal System |
Hulen, Jeffrey B.; Moore, Joseph N. |
Core sampling; Geothermometers; Exploration; Geological surv |
Corehole geology; Alteration; Vein mineralization; Organics; Fluid inclusions |
Geothermal Resources Council Transactions |
1996 |
English |
| The Geysers Felsite |
Hulen, Jeffrey B.; Nielson, Dennis L. |
Felsite; Exploration; Geological surveys; Tectonics; Petrolo |
Plutons; Intrusion; Clear Lake Volcanic Field; Steam reservoirs; Geochemical; Geology; Cobb Creek Lineament; Granite; Maps; Mineralization; Alteration; Steam entries; Volcanics |
Geothermal Resources Council Transactions |
1996 |
English |
| Crustal Models of the Geothermal Areas of Larderello and Mt. Amiata, Italy |
Gianelli, Giovanni; Manzella, Adele; Puxeddu, Mariano |
Exploration; Geological surveys; Geophysical surveys; Magmat |
Geological; Geophysical; Granite; Geology; Tuscany; Reflectivity; Magnetotelluric; Conductivity; Anomalies; Bagnore |
Geothermal Resources Council Transactions |
1996 |
English |
| Geology and Geothermal Potential of Alid Volcanic Center, Eritrea, Africa |
Clynne, Michael A.; Duffield, Wendell A.; Fournier, Robert O.; Giorgis, Leake W.; Janik, Cathy J.; Kahsai, Gabreab; Lowenstern, Jacob; Mariam, Kidane W.; Smith, James G.; Tesfai, Theoderos |
Exploration; Volcanism; Geological surveys; Mapping; Petrolo |
Exploration; Geochemistry; Geothermometers; Basalt; Fault; Fumaroles; Geologic map; Geology; Granite; Heat Source; Magma; Magma Chamber; Rhyolite; Spreading Centers; Volcanics; Reservoir Rocks; Aerial Photographs; LANDSAT; Assessment; Convection Systems; |
Geothermal Resources Council Transactions |
1996 |
English |
| IEA Task V: Sustainability of Geothermal Energy Utilization |
Wright, Phillip Michael |
Renewable energy; Exploration |
Objective; Subtasks; Schedule |
Geothermal Resources Council Transactions |
1996 |
English |
| Application of CSAMT Method of Geothermal Prospecting in Fujian Province |
Yu Changming; Zhang Gengli |
Exploration; Geophysical surveys; Magnetotelluric surveys |
Controlled Source Audiofrequency Magnetotelluric Method; Groundwater; China; Electromagnetic fields; Geology; Resistivity |
Geothermal Resources Council Transactions |
1996 |
English |