Deformation Mechanisms, Rheology and Tectonics (Geological Society Special Publication 54)

Deformation Mechanisms, Rheology and Tectonics......Page 1 Front matter......Page 2 Dedication......Page 3 ISBN 0-903317-58-3......Page 5 Contents......Page 6 Preface......Page 10 Foreword......Page 12 Referees......Page 16 Control of fluids on deformation of rocks......Page 18 Conditions for fault-valve behaviour......Page 32 Textures, deformation mechanisms, and the role of fluids in the cataclastic deformation of granitic rocks......Page 46 Fracture evolution in the upper ocean crust: evidence from DSDP hole 504B......Page 58 The calculation of bulk rheologies of structured materials and its application to brittle failure in shear......Page 68 Damage development during rupture of heterogeneous brittle materials: a numerical study......Page 74 Velocity-dependent friction in a large direct shear experiment on gabbro......Page 80 The evolution of cataclastic fault rocks from a pre-existing mylonite......Page 88 Influence of fractal flaw distributions on rock deformation in the brittle field......Page 98 Brittle deformation and graphitic cataclasites in the pilot research well KTB-VB (Oberpfalz, FRG)......Page 114 Brecciation and fracturing within neotectonic normal fault zones in the Aegean region......Page 122 Mechanical compaction and the brittle-ductile transition in porous sandstones......Page 128 Shear bands in a plastic layer at yield under combined shortening and shear: a model for the fault array in a duplex......Page 140 The failure mechanism for deep-focus earthquakes......Page 150 Instability, softening and localization of deformation......Page 160 Reaction-enhanced formation of eclogite-facies shear zones in granulite-facies anorthosites......Page 184 The role of second phase in localizing deformation......Page 192 Mechanical controls on dilatant shear zones......Page 200 Propagation and localization of stylolites in limestones......Page 210 Deformation of polycrystalline salt in compression and in shear at 250-350°C......Page 218 Experimental determination of constitutive parameters governing creep of rocksalt by pressure solution......Page 232 Phenomenological superplasticity in rocks......Page 246 Ductile deformation mechanisms in micritic limestones naturally deformed at low temperatures (150-350°C)......Page 258 Experimental study of grain-size sensitive flow of synthetic, hotpressed calcite rocks......Page 276 High-temperature deformation of calcite single crystals by r+ and f+ slip......Page 302 Quartzite rheology under geological conditions......Page 316 Estimates of the rates of microstructural changes in mylonites......Page 326 Microstructure in hornblende of a mylonitic amphibolite......Page 338 Albite deformation within a basal ophiolite shear zone......Page 344 Crystallographic fabrics: a selective review of their applications to research in structural geology......Page 352 A simulation of the temperature dependence of quartz fabrics......Page 370 High temperature deformation of octachloropropane: dynamic grain growth and lattice reorientation......Page 380 The SEM/ECP technique applied on twinned quartz crystals......Page 386 Practical application of entropy optimization in quantitative texture analysis......Page 392 Experimental and observational constraints on the mechanical behaviour in the toes of accretionary prisms......Page 400 The undrained shear behaviour of fine-grained sediments......Page 416 Deformation in an accretionary melange, Alexander Island, Antarctica......Page 422 Vein structure and the role of pore fluids in early wet-sediment deformation, Late Miocene volcaniclastic rocks, Miura Group, SE Japan......Page 434 Centrifuge modelling of thrust faulting: strain partitioning and sequence of thrusting in duplex structures......Page 448 Deformation mechanics in analogue models of extensional fault systems......Page 462 Slickenside lineations due to ductile processes......Page 472 Transition between seismic and aseismic deformation in the upper crust......Page 478 Vein distribution in a thrust zone: a case history from the Northern Apennines, Italy......Page 492 Extensional veins and shear joint development in a thrust-fold zone (Northern Apennines, Italy)......Page 500 Convergence-related 'dynamic spreading' in a mid-crustal ductile thrust zone: a possible orogenic wedge model......Page 508 Structural implications of compactional strain caused by fault block rotation: evidence from two-dimensional numerical analogues......Page 518 Alpine deformation on Naxos (Greece)......Page 526 Index......Page 540 Back cover......Page 554 This book consists of 18 papers on deformation mechanisms, theology and tectonics. The main approaches include experimental rock deformation, microstructural analysis, field structural studies, analogue and numerical modelling. New results on various topics are presented, ranging from brittle to ductile deformation and grain-scale to lithosphere-scale mechanisms