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Shear-sense Indicators

Shear-sense Indicators
Author: Simon Hanmer
Publisher: Geological Survey of Canada
Total Pages: 122
Release: 1991
Genre: Geological Survey
ISBN: 9780660140506

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This review of shear-sense indicators in natural geological deformation structures provides an overview of geological flow and detailed explanations on the use of foliations, stiff inclusions, folds, and veins as indicators of shear-sense. The review's aim is to examine types of flow, and the kinematically significant structures which form in them, from a perspective which should be accessible to all interested geologists.


Shear-sense Indicators

Shear-sense Indicators
Author: Simon Hanmer
Publisher:
Total Pages: 72
Release: 1991
Genre:
ISBN: 9780066014050

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Basement Tectonics 8

Basement Tectonics 8
Author: Mervin J. Bartholomew
Publisher: Springer Science & Business Media
Total Pages: 729
Release: 2012-12-06
Genre: Science
ISBN: 9401116148

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The 8th International Conference on Basement Tectonics was held in Butte, Montana, August 8-12,1988. Historically, basement tectonics conferences have focused on such topics as reactivation of faults, the influence of basement faults on metallogeny and hyrocarbon accumulation, and the use of geophysical and remote sensing techniques to interpret subsurface and surface geology. The 8th Conference diverged from past conferences in that a unifying theme was selected. Because ancient major terrane or cratonic boundaries are often postulated to be fault zones which are subsequently reactivated, the conference was organized to examine all aspects of ancient continental margins and terrane boundaries and to compare younger (Mesozoic) ones, about which more is known, with older (Paleozoic and Precambrian) ones. Moreover, because the 8th Conference was held in the northwestern United States, a greater emphasis was placed on the Mesozoic margin of western North America and the North American shield. The seven oral sessions and four poster sessions all dealt with aspects of the conference theme: characterization and comparison of ancient continental margins. The organizers extend their thanks to those individuals who graciously consented to serve as moderators for the oral sessions: John M. Bartley, Mark S. Gettings, M. Charles Gilbert, John M. Guilbert, Donald W. Hyndman, William P. Leeman, Robert Mason, and A. Krishna Sinha. The program with abstracts volume was prepared by S. E. Lewis and M. J. Bartholomew.


Atlas of Structural Geology

Atlas of Structural Geology
Author: Soumyajit Mukherjee
Publisher: Elsevier
Total Pages: 183
Release: 2015-04-28
Genre: Science
ISBN: 0124202063

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Atlas of Structural Geology features a broad and inclusive range of high-quality meso- and micro-scale full-color photographs, descriptions, and captions related to the deformation of rocks and geologic structures. It is a multi-contributed, comprehensive reference that includes submissions from many of the world’s leading structural geologists, making it the most thorough and comprehensive reference available to the scientific community. All types of structures are featured, including structures related to ductile and brittle shear zones, sigma- and delta-structures, mineral fish, duplexes and trapezoids, shear related folds, and flanking structures in meso- and micro-scales. A stunning collection of the world’s most beautiful and arresting geologic structures, the Atlas of Structural Geology is the ideal aid in the retention of key concepts in geology. Presents more than 250 top-quality, full-color photographs contributed by the world’s most respected structural geologists Features a broad range of morphological variations of geologic structures, making it the most up-to-date and inclusive reference of its kind Edited by a structural geologist with 14 years of experience in related research and instruction Aids researchers in developing mathematical and analogue models on the peculiarity and uniqueness of the world’s most iconic structures


Microtectonics

Microtectonics
Author: C.W. Passchier
Publisher: Springer Science & Business Media
Total Pages: 297
Release: 2013-06-29
Genre: Science
ISBN: 3662087340

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Microtectonics is the interpretation of small-scale deformation structures in rocks. They are studied by optical microscope and contain abundant information on the history and type of deformation and metamorphism in a rock and are therefore used by most geologists to obtain data for large-scale geological interpretations. This advanced textbook contains a large number of photographs and explanatory drawings, special chapters on related techniques, a chapter on microgauges and a simple, non-mathematical treatment of continuum mechanics with practical examples. Special terms are explained in boxes. This textbook is suited for independent use during optical studies on microstructures as a reference manual and as a manual for short courses.


Deformation Microstructures and Mechanisms in Minerals and Rocks

Deformation Microstructures and Mechanisms in Minerals and Rocks
Author: Tom G. Blenkinsop
Publisher: Springer Science & Business Media
Total Pages: 157
Release: 2007-05-08
Genre: Science
ISBN: 030647543X

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This book is a systematic guide to the recognition and interpretation of deformation microstructures and mechanisms in minerals and rocks at the scale of a thin section. Diagnostic features of microstructures and mechanisms are emphasized, and the subject is extensively illustrated with high-quality color and black and white photomicrographs, and many clear diagrams. After introducing three main classes of deformation microstructures and mechanisms, low- to high-grade deformation is presented in a logical sequence in Chapters 2 to 5. Magmatic/submagmatic deformation, shear sense indicators, and shock microstructures and metamorphism are described in Chapters 6 to 8, which are innovative chapters in a structural geology textbook. The final chapter shows how deformation microstructures and mechanisms can be used quantitatively to understand the behavior of the earth. Recent experimental research on failure criteria, frictional sliding laws, and flow laws is summarized in tables, and palaeopiezometry is discussed. Audience: This book is essential to all practising structural and tectonic geologists who use thin sections, and is an invaluable research tool for advanced undergraduates, postgraduates, lecturers and researchers in structural geology and tectonics.


Deformation Microstructures in Rocks

Deformation Microstructures in Rocks
Author: Soumyajit Mukherjee
Publisher: Springer Science & Business Media
Total Pages: 116
Release: 2013-06-14
Genre: Science
ISBN: 3642256082

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Study of microstructures is an indispensable component of understanding structural geology of any terrain. A number of ‘new’ microscopic structures such as ‘flanking microstructures’, trapezoid-shaped mineral grains, reversal of ductile shear sense, micro-duplexes, V-pull aparts, and new minerals nucleating inside host minerals have recently been described in individual manuscripts. However, for the sake of brevity, microstructural papers cannot show all possible variation in their morphology. The proposed book aims to present these structures with attractive colour photographs. Each photomicrograph will have a comprehensive caption. The book also presents grain boundary migration, boudins, symptoms of metamorphic retrogression, and how well known shear sense indicators (S-C fabrics, mineral fish etc.) vary in morphology in serial-sections. The target audience is for graduate and postgraduate geosciences students and researchers of structural geology.


Ductile Shear Zones

Ductile Shear Zones
Author: Soumyajit Mukherjee
Publisher: John Wiley & Sons
Total Pages: 318
Release: 2015-10-08
Genre: Science
ISBN: 1118844920

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The elucidation of the mechanisms and kinematics of shear zone deformation, at both local and regional scales, is the subject of a great deal of interest to scientists in the hydrocarbon industry, in seismology, and in structural geology more generally. This book comprises a collection of five theoretical and twelve regional contributions to the subject from a number of leading researchers in the field, with particular emphasis on work carried out in the Indian subcontinent. The book will be invaluable to advances students and researchers involved in the kinematics of shear.


Atlas of Mylonites - and related microstructures

Atlas of Mylonites - and related microstructures
Author: Rudolph A. J. Trouw
Publisher: Springer Science & Business Media
Total Pages: 306
Release: 2009-12-09
Genre: Science
ISBN: 3642036082

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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 on 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 provides 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? This book will complement the very successful textbook "Microtectonics" by Passchier and Trouw.