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Author: J. Casey Moore Publisher: Geological Society of America ISBN: 0813711665 Category : Science Languages : en Pages : 171
Book Description
Chapter 2 provides a comprehensive macroscopic and microscopic description of the cores. Chapter 1 includes tectonic overviews of the forearcs sampled by the cores and chepters 3 through 6 provide indepth studies of especially significant structural features:faults, scaly fabrics, veins and cataclastic fabrics. Chapters 7 and 8 present detailed analysis of core mineralogy and physical properties, respectively, which lead to fundamental insights into the incipient alteration of sediment in accretionary wedges.Experiments relevant to the interpretation of structural fabrics of DSDP cores constitute the subject of chapter 9. The final chapter provides a theoretical overview of deformation mechanisms operative during deformation of materials from DSDP cores, and the transition to deformation mechanisms that appear to be dominant in equivalent, more buried rocks.
Author: J. Casey Moore Publisher: Geological Society of America ISBN: 0813711665 Category : Science Languages : en Pages : 171
Book Description
Chapter 2 provides a comprehensive macroscopic and microscopic description of the cores. Chapter 1 includes tectonic overviews of the forearcs sampled by the cores and chepters 3 through 6 provide indepth studies of especially significant structural features:faults, scaly fabrics, veins and cataclastic fabrics. Chapters 7 and 8 present detailed analysis of core mineralogy and physical properties, respectively, which lead to fundamental insights into the incipient alteration of sediment in accretionary wedges.Experiments relevant to the interpretation of structural fabrics of DSDP cores constitute the subject of chapter 9. The final chapter provides a theoretical overview of deformation mechanisms operative during deformation of materials from DSDP cores, and the transition to deformation mechanisms that appear to be dominant in equivalent, more buried rocks.
Author: W.A. Chiou Publisher: Springer Science & Business Media ISBN: 1461244285 Category : Science Languages : en Pages : 570
Book Description
Knowledge of basic clay microstructure is fundamental to an understanding of the physical, chemical, and mechanical properties of fine-grained sediments and rocks. This compilation of fifty-nine peer-reviewed papers examines clay microstructure in detail with comprehensive sections focusing on microstructure signatures, environmental processes, modeling, measurement techniques, and future research recommendations. Many of these topics are discussed in light of geological and engineering applications, such as hazardous waste disposal, construction techniques, and drilling programs. The field of clay microstructure is developing rapidly. The concepts, observations, and principles presented in this book will help stimulate new thought and be a "spring board" for exciting new research.
Author: P. L. Hancock Publisher: Elsevier ISBN: 0080984819 Category : Technology & Engineering Languages : en Pages : 238
Book Description
Current Topics in Structural Geology is a collection of invited papers on particular topics of interest in structural geology, from field-based problems on the scale of terranes to microstructures in nature and experiment. Contributors also explore earthquake faulting; S-C mylonites; tectonics and hydrogeology of accretionary prisms; deformation mechanisms; transparent polycrystals; shape and lattice preferred orientations; and mushroom-shaped diapirs. This text is comprised of 13 chapters; the first of which introduces the reader to shallow crustal earthquakes and the structural geology of fault zones. The first chapter also emphasizes the seismogenic regime, strike-slip earthquake rupture processes, structural questions posed by seismology, and mesothermal gold-quartz lodes hosted in steeply inclined shear zones of mixed 'brittle-ductile' character. Discussion then turns to normal faulting in the upper continental crust, along with the application of a method based primarily on fault slip data analysis to determine paleostress in terms of orientation and magnitude. The mechanical behavior and deformation textures of simulated halite shear zones are considered, with special regard to the internal structures of S-C mylonites and their mechanical implications. The remaining chapters examine the role of decollement zone in the tectonics and hydrogeology of accretionary prisms; synkinematic microscopy of transparent polycrystals; and the origin of metamorphic core complexes and detachment faults formed during Tertiary continental extension in the northern Colorado River region. This book is intended primarily for students and practitioners of structural geology.
Author: Timothy H. Dixon Publisher: Columbia University Press ISBN: 9780231138666 Category : Computers Languages : en Pages : 696
Book Description
Subduction zones, one of the three types of plate boundaries, return Earth's surface to its deep interior. Because subduction zones are gently inclined at shallow depths and depress Earth's temperature gradient, they have the largest seismogenic area of any plate boundary. Consequently, subduction zones generate Earth's largest earthquakes and most destructive tsunamis. As tragically demonstrated by the Sumatra earthquake and tsunami of December 2004, these events often impact densely populated coastal areas and cause large numbers of fatalities. While scientists have a general understanding of the seismogenic zone, many critical details remain obscure. This volume attempts to answer such fundamental concerns as why some interplate subduction earthquakes are relatively modest in rupture length (greater than 100 km) while others, such as the great (M greater than 9) 1960 Chile, 1964 Alaska, and 2004 Sumatra events, rupture along 1000 km or more. Contributors also address why certain subduction zones are fully locked, accumulating elastic strain at essentially the full plate convergence rate, while others appear to be only partially coupled or even freely slipping; whether these locking patterns persist through the seismic cycle; and what is the role of sediments and fluids on the incoming plate. Nineteen papers written by experts in a variety of fields review the most current lab, field, and theoretical research on the origins and mechanics of subduction zone earthquakes and suggest further areas of exploration. They consider the composition of incoming plates, laboratory studies concerning sediment evolution during subduction and fault frictional properties, seismic and geodetic studies, and regional scale deformation. The forces behind subduction zone earthquakes are of increasing environmental and societal importance.
Author: Geological Society of London Publisher: Geological Society of London ISBN: 9781862391703 Category : Anisotropy Languages : en Pages : 562
Book Description
The relationship between magnetic fabric and petrofabric is complex and depends on various factors including the composition, concentration and grain size of mineral grains. Ongoing research in geological applications is paralleled by studies of the fundamental mineral magnetic phenomena involved. The papers in this book represent the current state of investigations in magnetic anisotropy studies as a discipline that integrates geological interpretations, mineral fabric development, technical advances and rock-magnetic properties.
Author: J. Casey Moore
Author: J. Casey Moore
Author: Ocean Drilling Program
Author: W.A. Chiou
Author: Gian Andrea Pini
Author: P. L. Hancock
Author: Timothy H. Dixon
Author: Royal Society (Great Britain). Discussion Meeting
Author: 
Author: Geological Society of London
Author: J. Wright Horton