Titlebook: Rock Physics and Natural Hazards; Sergio Vinciguerra,Yves Bernabé Book 2009 Birkh?user Basel 2009 Earthquake.fault.mechanical properties o

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Introduction,cal properties of volcanic rocks, 5) reservoir characterization and stimulation, 6) scaling laws, applications to rupture mechanics and fluid flow. The present topical issue originated from the desire to assemble in a single volume unpublished contributions to the Erice Conference. This volume prese

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What Does Control Earthquake Ruptures and Dynamic Faulting? A Review of Different Competing Mechaniy neglect these phenomena appear to be inadequate to describe as realistically as possible the details of breakdown process (i.e., the stress release) and the consequent high frequency seismic wave radiation. Quantitative estimates show that in most cases the incorporation of such nonlinear phenomen

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Fracture Toughness and Fracture Roughness Interrelationship in Thermally treated Westerly Granite,files with increasing temperature. At low temperature, a distinct anisotropy in roughness was observed in all fracture surfaces with higher roughness value perpendicular to the direction of fracture propagation. However, higher treatment temperatures resulted in the homogenization of fracture roughn

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Acoustic Emissions Monitoring during Inelastic Deformation of Porous Sandstone: Comparison of Three compression experiments, performed on Bleurswiller sandstone, which enable us to compare the acoustic emission signature of these three modes of deformation. Our data show that compaction localization and cataclastic compaction are characterized by similar acoustic signatures (in terms of AE source

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Initiation and Propagation of Compaction Bands in Dry and Wet Bentheim Sandstone, to the sample axis. CB propagation from the sample periphery towards the centre was monitored. Microstructural analysis of deformed samples shows excellent agreement between location of AE clusters and CBs. In both dry and wet samples the lateral propagation of CBs was about 100 times faster than a

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Compaction and Failure in High Porosity Carbonates: Mechanical Data and Microstructural Observationainstone, compactive shear bands appeared at low confinement, in qualitative agreement with the deformation bands observed in the field. At higher confining pressures, compaction localization was inhibited and homogeneous cataclastic flow developed. In Saint Maximin limestone, compaction localizatio

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Improved Interpretation of Nuclear Magnetic Resonance T1 and T2 Distributions for Permeability Pred time distribution. We describe the difference between the distributions obtained for diffusion coupling and for isolated pores. With diffusion coupling on, the spectral width of the .. distribution is strongly reduced, which indicates that the influence of large and small radii according to the ..-