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Mylonites form in response to high rates of strain within deep ductile shear zones, which are the extensions at depth of surface faults, thrusts and fault breccias. They can have many different mineralogical compositions and are therefore defined by their textural appearance. This atlas provides high definition images of a large number of different mylonites allowing students and geologists to correctly classify them with greater ease. It also offers insights into the interpretation of mylonitic fabrics to answer questions such as: from what type of rock did this mylonite derive? what were the metamorphic circumstances during mylonitization? what was the intensity of deformation? and what was the sense of shear?
Earth Sciences. --- Geology. --- Geography. --- Géographie --- Géologie --- 551.25 --- 551.25 Petrotectonics. Dynamic, chemical, thermal changes of rocks. Metamorphism. Cleavage. Plastic deformation. Schistosity --- Petrotectonics. Dynamic, chemical, thermal changes of rocks. Metamorphism. Cleavage. Plastic deformation. Schistosity
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Processes involved in the development of igneous and metamorphic rocks involve some combination of crystal growth, solution, movement and deformation, which is expressed as changes in texture (microstructure). Advances in the quantification of aspects of crystalline rock textures, such as crystal size, shape, orientation and position, have opened fresh avenues of research that extend and complement the more dominant chemical and isotopic studies. This book discusses the aspects of petrological theory necessary to understand the development of crystalline rock texture. It develops the methodological basis of quantitative textural measurements and shows how much can be achieved with limited resources. Typical applications to petrological problems are discussed for each type of measurement. This book will be of great interest to all researchers and graduate students in petrology.
Petrofabric analysis. --- Petrology. --- Lithology --- Petrography --- Physical geology --- Rocks --- Fabric analysis (Petrology) --- Microtectonics --- Petrofabrics --- Petrology, Structural --- Petrotectonics --- Structural petrology --- Petrology
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This is a richly illustrated reference book that provides a unique, comprehensive, and up-to-date survey of the rocks and structures of fault and shear zones. These zones are fundamental geologic structures in the Earth's crust. Their rigorous analysis is crucial to understanding the kinematics and dynamics of the continental and oceanic crust, the nature of earthquakes, and the formation of gold and hydrocarbon deposits. To document the variety of fault-related rocks, the book presents more than six hundred photographs of structures ranging in scale from outcrop to submicroscopic. These are accompanied by detailed explanations, often including geologic maps and cross sections, contributed by over 125 geoscientists from around the world.The book opens with an extensive introduction by Arthur W. Snoke and Jan Tullis that is itself a major contribution to the field. Fault-related rocks and their origins have long been controversial and subject to inconsistent terminology. Snoke and Tullis address these problems by presenting the currently accepted ideas in the field, focusing on deformation mechanisms and conceptual models for fault and shear zones. They define common terminology and classifications and present a list of important questions for future research. In the main, photographic part of the book, the editors divide the contributions into three broad categories, covering brittle behavior, semi-brittle behavior, and ductile behavior. Under these headings, there are contributions on dozens of subtopics with photographs from localities around the world, including several "type" areas.The book is an unrivaled source of information about fault-related rocks and will be important reading for a broad range of earth scientists, including structural geologists, petrologists, geophysicists, and environmental specialists.Originally published in 1998.The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.
Petrofabric analysis --- Mylonite --- Fabric analysis (Petrology) --- Microtectonics --- Petrofabrics --- Petrology, Structural --- Petrotectonics --- Structural petrology --- Petrology --- Metamorphic rocks --- Atlases.
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Granite --- Gneiss --- Petrofabric analysis --- Pictorial works --- -Gneiss --- -Petrofabric analysis --- -Fabric analysis (Petrology) --- Microtectonics --- Petrofabrics --- Petrology, Structural --- Petrotectonics --- Structural petrology --- Petrology --- Gneuss --- Kneiss --- Metamorphic rocks --- Granitic rocks --- Igneous rocks --- Pictorial works. --- -Pictorial works --- Fabric analysis (Petrology) --- Roches ignées --- Granite - Pictorial works --- Gneiss - Pictorial works --- Petrofabric analysis - Pictorial works
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Ultrabasic rocks. --- Igneous rocks. --- Petrofabric analysis. --- Fabric analysis (Petrology) --- Microtectonics --- Petrofabrics --- Petrology, Structural --- Petrotectonics --- Structural petrology --- Petrology --- Eruptive rocks --- Igneous petrology --- Igneous rocks --- Petrology, Igneous --- Rocks, Eruptive --- Rocks, Igneous --- Rocks --- Rocks, Ultrabasic --- Ultramafic rocks --- Petrofabric analysis --- Roches ultrabasiques --- Roches ignées --- Pétrologie structurale
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