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Book
Structural Control of Mineral Deposits. Theory and Reality
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ISBN: 3038977853 3038977845 Year: 2019 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

""Structural Control"" remains a crucial point that frequently lacks in any scientific and/or economic analysis of ore deposits, whatever their type and class. The case of lode deposits is exemplary, although also other deposits, like breccia pipe, stockwerk, massive sulphides, skarn, etc., can, surprisingly, be concerned. Several concepts like the gold-bearing shear zone have not proven valid during the last few decades in terms of our understanding of gold deposit and have been totally abandoned. Additionally, the relationships between magmatism, regional tectonic context, and mineralization remain uncertain and have been debated in several recent publications. This demonstrates that this issue is still relevant, and its solution may help in the distinction between intrusion-related and orogenic deposits. In this Special Issue, we particularly invite any case study of mineral deposits, in which it has been demonstrated that structural geology may have a significant role in the establishment of the deposit model of formation and/or on exploration and exploitation programs. Examples in which the structural model diverges from those described in the classical literature are particularly welcomed, including studies in which relationships with magmatism can be suspected and/or demonstrated. Indeed, all cases that illustrate concepts that differ from the classic ones and from theoretical models may represent significant contributions to this volume.


Book
Earthquake and volcano deformation
Author:
ISBN: 9780691133027 0691133026 1282608215 9786612608216 140083385X 9781400833856 9781282608214 Year: 2010 Publisher: Princeton, N.J. Princeton University Press

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Earthquake and Volcano Deformation is the first textbook to present the mechanical models of earthquake and volcanic processes, emphasizing earth-surface deformations that can be compared with observations from Global Positioning System (GPS) receivers, Interferometric Radar (InSAR), and borehole strain- and tiltmeters. Paul Segall provides the physical and mathematical fundamentals for the models used to interpret deformation measurements near active faults and volcanic centers.Segall highlights analytical methods of continuum mechanics applied to problems of active crustal deformation. Topics include elastic dislocation theory in homogeneous and layered half-spaces, crack models of faults and planar intrusions, elastic fields due to pressurized spherical and ellipsoidal magma chambers, time-dependent deformation resulting from faulting in an elastic layer overlying a viscoelastic half-space and related earthquake cycle models, poroelastic effects due to faulting and magma chamber inflation in a fluid-saturated crust, and the effects of gravity on deformation. He also explains changes in the gravitational field due to faulting and magmatic intrusion, effects of irregular surface topography and earth curvature, and modern concepts in rate- and state-dependent fault friction. This textbook presents sample calculations and compares model predictions against field data from seismic and volcanic settings from around the world.Earthquake and Volcano Deformation requires working knowledge of stress and strain, and advanced calculus. It is appropriate for advanced undergraduates and graduate students in geophysics, geology, and engineering. Professors: A supplementary Instructor's Manual is available for this book. It is restricted to teachers using the text in courses. For information on how to obtain a copy, refer to: http://press.princeton.edu/class_use/solutions.html

Keywords

Rock deformation --- Strains and stresses --- Volcanism. --- Earthquakes. --- Deformations (Mechanics) --- Mathematical models. --- Volcanism --- Earthquakes --- Volcanisme --- Tremblements de terre --- Déformations (Mécanique) --- Mathematical models --- Deformations (Mechanics). --- Rock deformation - Mathematical models. --- Rock deformation -- Mathematical models. --- Strains and stresses - Mathematical models. --- Strains and stresses -- Mathematical models. --- Volcanicity --- Vulcanism --- Stresses and strains --- Elastic solids --- Mechanics --- Rheology --- Structural failures --- Quakes (Earthquakes) --- Earth movements --- Natural disasters --- Seismology --- Geodynamics --- Volcanology --- Architectural engineering --- Engineering, Architectural --- Architecture --- Flexure --- Statics --- Structural analysis (Engineering) --- Elasticity --- Engineering design --- Graphic statics --- Strength of materials --- Stress waves --- Structural design --- Deformation, Rock --- Geology, Structural --- Rock deformation - Mathematical models --- Strains and stresses - Mathematical models --- 1906 San Francisco earthquake. --- 1980 eruption of Mount St. Helens. --- 1989 Loma Prieta earthquake. --- 1992 Landers earthquake. --- 1999 Hector Mine earthquake. --- Active fault. --- Atmospheric refraction. --- Cauchy stress tensor. --- Compressive stress. --- Continental collision. --- Continuum mechanics. --- Crust (geology). --- Deformation (engineering). --- Deformation (mechanics). --- Deformation monitoring. --- Dike (geology). --- Dislocation. --- Displacement field (mechanics). --- Earthquake prediction. --- Earthquake rupture. --- Earthquake swarm. --- Elasticity (physics). --- Explosive eruption. --- Fault (geology). --- Fault friction. --- Figure of the Earth. --- Fracture mechanics. --- Fracture toughness. --- Fracture zone. --- Fracture. --- Friction. --- Geodetic datum. --- Geologic time scale. --- Geothermal gradient. --- Gravitational acceleration. --- Gravitational potential. --- Gravity Recovery and Climate Experiment. --- Hawaiian Volcano Observatory. --- Infinitesimal strain theory. --- Intraplate earthquake. --- Lava dome. --- Lava lake. --- Lava. --- Long Valley Caldera. --- Magma chamber. --- Magnetic anomaly. --- Melting point. --- Mount St. Helens. --- Nucleation. --- Orogeny. --- Oscillation. --- Parkfield earthquake. --- Plane stress. --- Plate tectonics. --- Porosity. --- Pressure gradient. --- Radiation stress. --- Resurgent dome. --- Rift zone. --- Rock (geology). --- Rock mechanics. --- San Andreas Fault. --- Seafloor spreading. --- Seismic gap. --- Seismic hazard. --- Seismic moment. --- Seismic risk. --- Seismic tomography. --- Seismic wave. --- Seismology. --- Shear modulus. --- Shear stress. --- Shear zone. --- Shearing (physics). --- Shield volcano. --- Strain energy. --- Strain rate. --- Stratovolcano. --- Stress concentration. --- Stress functions. --- Stress intensity factor. --- Subduction. --- Subsidence. --- Surface energy. --- Surface gravity. --- Surface stress. --- Tectonophysics. --- Tension (physics). --- Thermal expansion. --- Thrust fault. --- Traction (engineering). --- Transform fault. --- Types of volcanic eruptions. --- Vibration. --- Viscoelasticity. --- Volcanic hazards. --- Volcanic pipe. --- Volcano. --- Wavenumber. --- Yield (engineering).

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