| Preamble | 5 |
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| Acknowledgements | 9 |
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| Contents | 11 |
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| Nomenclature | 15 |
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| Subscripts | 16 |
| Superscripts | 16 |
| Introduction | 17 |
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| Distribution of Pore-Fluid Pressure Gradient in the Crust with Temperature Neglected | 23 |
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| 2.1 The Crust Comprised of a Single Homogeneous Layer | 23 |
| 2.2 The Crust Comprised of Two Homogeneous Layers | 26 |
| 2.3 The Crust Comprised of Three Homogeneous Layers | 29 |
| 2.4 The Critical Crustal Thickness for a Hydrostatic Pore-Fluid Pressure Gradient | 31 |
| Pore-Fluid Pressure Gradients in the Crust with Heat Conduction and Advection | 33 |
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| 3.1 The Effect of Heat Conduction on the Distribution of Pore- Fluid Pressure Gradients | 34 |
| 3.2 The Effect of Heat Conduction and Advection on the Distribution of Pore- Fluid Pressure Gradients | 37 |
| Convective Heat Transfer in a Homogeneous Crust | 43 |
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| 4.1 Convective Heat Transfer in a Homogeneous Crust without Upward Throughflow | 44 |
| 4.2 Convective Heat Transfer in a Homogeneous Crust with Upward Throughflow | 52 |
| Convective Heat Transfer in a Heterogeneous Crust | 65 |
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| 5.1 The Influence of Layered Material Heterogeneity on Convective Heat Transfer in a Heterogeneous Crust | 65 |
| 5.2 The Influence of Material Thermoelasticity on Convective Heat Transfer in a Heterogeneous Crust | 75 |
| 5.3 The Influence of Pore-Fluid Viscosity on Convective Heat Transfer in a Heterogeneous Crust | 87 |
| Pore-Fluid Focusing within Two-Dimensional Faults and Cracks of Crustal Scales with No Temperature Effects: Solutions Expressed in a Local Coordinate System | 99 |
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| 6.1 Description of the Problem | 100 |
| 6.2 Derivation of Governing Equations of the Problem in a Local Elliptical .. Coordinate System | 102 |
| 6.3 Derivation of Analytical Solutions when the Long Axis of an Elliptical Inclusion Is Parallel to the Inflow in the Far Field | 105 |
| 6.4 Derivation of Analytical Solutions when the Short Axis of an Elliptical Inclusion Is Parallel to the Inflow in the Far Field | 109 |
| 6.5 Derivation of Analytical Solutions when the Inflow of the Far Field Is Parallel to the X Direction of the Global XY Coordinate System | 112 |
| 6.6 Derivation of Analytical Solutions when the Inflow of the Far Field Is Parallel to the Y Direction of the Global XY Coordinate System | 115 |
| 6.7 Application Examples of the Present Analytical Solutions for Pore- Fluid Focusing Factors within Inclined Elliptical Inclusions | 117 |
| Pore-Fluid Focusing within Two-Dimensional Faults and Cracks of Crustal Scales with No Temperature Effects: Solutions Expressed in a Global Coordinate System | 125 |
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| 7.1 Derivation of Inverse Mappings between the Elliptical and the Cartesian Coordinate Systems | 125 |
| 7.2 The Long Axis of an Elliptical Inclusion Is Parallel to the Inflow in the Far Field | 127 |
| 7.3 The Short Axis of an Elliptical Inclusion Is Parallel to the Inflow in the Far Field | 130 |
| 7.4 The Inflow of the Far Field Is Parallel to the X Direction of the Global XY Coordinate System | 133 |
| 7.5 The Inflow of the Far Field Is Parallel to the Y Direction of the Global XY Coordinate System | 135 |
| 7.6 Application Examples of the Present Analytical Solutions | 137 |
| Pore-Fluid Flow Focused Transient Heat Transfer within and around Two- Dimensional Faults and Cracks of Crustal Scales | 149 |
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| 8.1 Statement of the Problem | 150 |
| 8.2 Validation of the Numerical Models | 152 |
| 8.3 Numerical Simulation Results | 154 |
| Convective Heat Transfer within Three- Dimensional Vertical Faults Heated from Below | 161 |
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| 9.1 Statement of the Problem | 162 |
| 9.2 Analysis of Convective Instability of the Fault Zone System | 166 |
| 9.3 Possibility of Convective Flow in Geological Fault Zone Systems | 172 |
| Convective Heat Transfer within Three- Dimensional Inclined Faults Heated from Below | 177 |
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| 10.1 Governing Equations of the Problem | 179 |
| 10.2 Analysis of Convective Instability of Pore-Fluid Flow in an Inclined Three- Dimensional Fault Zone System | 183 |
| 10.3 Effect of the Dip Angle on Convective Instability of an Inclined Three- Dimensional Geological Fault Zone | 190 |
| Double-Diffusion Driven Convective Heat Transfer within Three- Dimensional Vertical Faults Heated from Below | 195 |
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| 11.1 Governing Equations of the Problem | 196 |
| 11.2 Analysis of Double-Diffusion Driven Convective Instability for Three- Dimensional Fault Zones | 202 |
| 11.3 The Possibility of Double-Diffusion Driven Convective Flow in Three- Dimensional Geological Fault Zones | 208 |
| Convection Induced Ore Body Formation and Mineralization within the Upper Crust of the Earth | 211 |
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| 12.1 Statement of the Problem and the Concept of Mineralization Rate | 213 |
| 12.2 Precipitation and Dissolution of Zinc, Lead and Iron in Hydrothermal Systems | 217 |
| Summary Statements | 231 |
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| References | 235 |
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| Index | 243 |