Observation of the Continental Crust through Drilling I

Review of National Drilling Programs.- A U. S. National Continental Scientific Drilling Program.- German Approaches to Continental Deep Drilling.- Programme on the Deep Geology of France.- Deep Drilling Programs in Belgium.- Scientific Continental Drilling Project in Japan and Scientific Goals.- Programme for Deep Drilling in Sweden.- Thermal Regimes.- Characterizing Thermal Energy and Mass Transport in Volcanic Caldera Complexes; The Role of Scientific Drilling.- Models for Volcanic Processes in Long Valley California: Testing by Continental Drilling.- Geochemistry and Mineral Resources.- Continental Scientific Drilling to Investigate Brine Evolution and Fluid Circulation in Active Hydrothermal Systems.- Scientific Drilling to Study the Roots and Margins of Hydrothermal Mineral Systems.- In Situ Borehole Measurements.- Scientific Drilling to Study Physical Properties and the State of Stress in the Earth's Crust: An Opportunity for Mid-Crustal Measurements Near the San Andreas Fault.- Deep-Borehole Techniques for Continuous Monitoring of Crustal Activity and In-Situ Stress Measurement in Japan.- Advances in Drilling and Logging Technology.- Deep Drilling for Science Contraints/Challenge.- Geoscience Experiments in Boreholes: Instrumentation.- Logging Technology for High-Temperature Geothermal Boreholes.- Use of Geophysical Logs for Quantitative Determination of Fracturing, Alteration, and Lithology in the Upper Oceanic Crust.- Research and Development Activities in Geothermal Drilling, Completion and Logging.- Vertical Electromagnetic Profiling (VEMP).- Recent Results from Scientific drilling.- Results of Deep Drilling in Austria.- Deep Drilling Technology for Hot Crystalline Rock.- Observations in an Active Hydrothermal System Through Deep Drilling: Valles Caldera,New Mexico.- Deep Structures of Continents.- Rationale for a Deep Drill Hole Into' the Seismically Active Area of the Hohenzollerngraben, Southwestern Germany.- Rationale for Selecting a Site for an Ultra-Deep Dedicated Scientific Drill Hole in the Southern Appalachians.- Discovery of Two Proterozoic Granite-Rhyolite Terranes in the Buried Midcontinental Basement: The Case for Shallow Drill Holes.