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Water and other fluids play a vital role in the processes that shape the earth's crust, possibly even influencing earthquakes and volcanism. Fluids affect the movement of chemicals and heat in the crust, and they are the major factor in the formation of hydrothermal ore deposits. Yet, fluids have been overlooked in many geologic investigations. The Role of Fluids in Crustal Processes addresses this lack of attention with a survey of what experts know about the role of fluids in the Earth's crust?and what future research can reveal. The overview discusses factors that affect fluid movement and the coupled equations that represent energy and mass transport processes, chemical reactions, and the relation of fluids to stress distribution.Table of Contents Front Matter Overview and Recommendations 1. Mass and Energy Transport in a Deforming Earth's Crust 2. Pore Fluid Pressure Near Magma Chambers 3. Evolution and Style of Fracture Permeability inIntrusion-Centered Hydrothermal Systems 4. Fluid Dynamics During Progressive Regional Metamorphism 5. Oxygen and Hydrogen Isotope Constraints on the Deep Circulationof Surface Waters into Zones of Hydrothermal Metamorphism andMelting 6. Hydrothermal Systems Associated with Regional Metamorphism andCrustal Anatexis: Example from the Pyrenees, France 7. Time-Dependent Hydraulics of the Earth's Crust 8. COCORP and Fluids in the Crust 9. Smoluchowski's Dilemma Revisited: A Note on the Fluid-PressureHistory of the Central Appalachian Fold-Thrust Belt 10. Fluid Pressure History in Subduction Zones: Evidence from FluidInclusions in the Kodiak Accretionary Complex, Alaska 11. Degassing of Carbon Dioxide as a Possible Source of High PorePressures in the Crust Index