[PDF] Textures Structures And Processes Of Volcanic Successions eBook

Author : Beatriz L.L. Coira
Publisher : Springer Nature
Page : 173 pages
File Size : 13,19 MB
Release : 2020-09-18
Category : Nature
ISBN : 3030520102

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This book provides a complete study of the Central Andean volcanism and its most distinctive features, from the lower Paleozoic to the Cenozoic times in the framework of its processes, eruptive mechanisms and geodynamic conditions. It helps readers understand the nature of the volcanic geology and the volcaniclastic related deposits linked to the evolution of the Andean continental margin. Special attention is paid to the analysis of the ancient volcanic successions and the difficulties in recognition of the original rock type caused by the effects of deformation, metamorphism and alteration. The authors use distinctive cases to describe how to apply different tools in analysis and interpretation. The selected representative, well exposed and preserved volcanic records of the Southern Central Andes analyzed in this book open new perspectives in the understanding of the volcanic processes linked to active continental margins as the Central Andes. This book will be of special interest to volcanologists and specialists in the earth sciences and appeal to both undergraduate and graduate students in geology.

Author : Beatriz L.L. Coira
Publisher :
Page : 0 pages
File Size : 39,76 MB
Release : 2021
Category :
ISBN : 9783030520113

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This book provides a complete study of the Central Andean volcanism and its most distinctive features, from the lower Paleozoic to the Cenozoic times in the framework of its processes, eruptive mechanisms and geodynamic conditions. It helps readers understand the nature of the volcanic geology and the volcaniclastic related deposits linked to the evolution of the Andean continental margin. Special attention is paid to the analysis of the ancient volcanic successions and the difficulties in recognition of the original rock type caused by the effects of deformation, metamorphism and alteration. The authors use distinctive cases to describe how to apply different tools in analysis and interpretation. The selected representative, well exposed and preserved volcanic records of the Southern Central Andes analyzed in this book open new perspectives in the understanding of the volcanic processes linked to active continental margins as the Central Andes. This book will be of special interest to volcanologists and specialists in the earth sciences and appeal to both undergraduate and graduate students in geology.

Author : R. Cas
Publisher : Springer Science & Business Media
Page : 532 pages
File Size : 43,89 MB
Release : 2012-12-06
Category : Science
ISBN : 9400931670

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One of our aims in the book is to provide geologists with a sound basis for making their own well founded interpretations. For that reason we cover not only concepts about processes, and the nature of the products, but also methods and approaches that may be useful in analysing both modern and ancient successions. Most importantly, we treat the diversity of products in volcanic terrains as facies, and we use the method of facies analysis and interpretation as a means of constructing facies models for different volcanic settings. These models will, we hope, be useful as norms for comparison for workers in ancient terrains. The idea for this book came into being between 1981 and 1982 when J. V. W. came to Monash University to take up a Monash Postdoctoral Fellowship. During this period a short course on facies analysis in modern and ancient successions was put together, integrating J.V.W.'s extensive volcanological experience in numerous modern volcanic terrains with R.A.F.C.'s extensive sedimentological and volcanological experience in older volcanic and associated sedimentary successions in the Palaeozoic and Precambrian of Australia. The enthusiastic response from the participants to the first short course, taught in May 1982, and to subsequent annual re-runs, encouraged us to develop the short course notes into this book. The idea for both the short course and the book arose because we felt that there was no single source available that comprehensively attempted to address the problems of analysing, interpreting and understanding the complexity of processes, products and stratigraphy in volcanic terrains.

Author : Ray Cas
Publisher : Springer
Page : 0 pages
File Size : 22,66 MB
Release : 2023-08-22
Category : Science
ISBN : 9783319666129

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This book is a substantially updated, revised and extended version of the book Volcanic Successions, published by Cas and Wright back in 1987. Divided into six major parts, it offers comprehensive information on magma properties; fragmentation processes; subaerial and subaqueous lava types and field textures; sub-volcanic intrusions; explosive or pyroclastic eruptions and deposits; surface sedimentary processes; hydrothermal alteration and lithification, and effects on volcanic rock textures; terminology and approaches to describing and mapping volcanic rocks and terrains; geology of volcanoes and facies models; volcanism and tectonic setting; and to conclude, volcanic-hosted resources. It is a highly up-to-date text, presenting a coherent flow of topics, together with excellent visual material to illustrate key points and deposit features. The new authorship team consists of Ray Cas, Guido Giordano and John Wright, all of whom have extensive experience across the complete spectrum of volcanological processes and deposit types discussed in this exciting new book. The authors approach the diversity of products in volcanic terrains as facies, and use facies analysis and interpretation as a means of constructing facies models for different volcanic settings and their resources. The book is intended as a textbook and research reference book for senior undergraduate and graduate students, researchers and professionals alike.

Author : Jocelyn McPhie
Publisher : CODES-University of Tasmania
Page : 218 pages
File Size : 29,21 MB
Release : 1993
Category : Geology
ISBN :

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Volcanic Textures is designed for use by exploration geologists, graduate students and other earth scientists with an interest in physical volcanology, especially those engaged in mapping and interpreting volcanic sequences."--pub. desc.

Author : A. Di Capua
Publisher : Geological Society of London
Page : 672 pages
File Size : 17,77 MB
Release : 2023-04-18
Category : Science
ISBN : 1786205661

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Volcanoes and sedimentary systems are linked by a strong relationship. The ascent and eruption of magma liberates large volumes of material, through a variety of mechanisms, to the surrounding environment, with subsequent sediment input and transport influencing the evolution of that environment. This connection between volcanism and adjacent sedimentary systems has long attracted the attention of geologists, giving rise to an increasing body of academic research over the past three decades. Volcanic Processes in the Sedimentary Record: When Volcanoes Meet the Environment collects innovative works exploring how volcanoes and sedimentary systems interact, moving from the processes directly associated with eruptive behaviour, to the most distal sedimentary offshoots, where volcanogenic particles are accumulated during or after volcanic activity. In doing this, different volcanic and environmental settings are explored, travelling through space and time, showing how volcaniclastic detritus is produced and dispersed by volcanic, volcano-sedimentary and sedimentary mechanisms, via processes affecting development of volcanic edifices themselves through to the most distal depocentres.

Author : Maurice E. Tucker
Publisher : John Wiley & Sons
Page : 192 pages
File Size : 26,31 MB
Release : 2011-06-28
Category : Science
ISBN : 1119957516

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This fourth edition builds on the success of previous editions and for the first time is produced in full colour throughout with improved photos and diagrams. It retains its popular pocket size and is an essential buy for all students working in the field. The text shows how sedimentary rocks are tackled in the field and has been written for all those with a geological background. It describes how the features of sedimentary rocks can be recorded in the field particularly through the construction of graphic logs. In succeeding chapters the various sedimentary rock types, textures and structures are discussed and shown how they can be described and measured in the field. There are expanded sections on trace fossils and volcaniclastics along with updated reference list. Finally a concluding section deals briefly with facies identification and points the ways towards facies interpretations, and the identification of sequences and cycles. Key Features: Full colour throughout with improved photos, figures and diagrams in a modern layout. Complete revision and update of best selling textbook which is part of the highly successful Field Guide series. Expanded sections on trace fossils and volcaniclastics along with updated reference list. Handy pocket size with laminated cover. Includes supplementary website with downloadable logging sheets for fieldwork activities.

Author : Flavio Dobran
Publisher : Springer Science & Business Media
Page : 612 pages
File Size : 16,52 MB
Release : 2012-12-06
Category : Science
ISBN : 1461506476

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Volcanic eruptions are fascinating manifestations of the Earth's dynamic inte rior which has been cooling for the past several billion years. The planets of the solar system originated some 4.5 billion years ago from the same gas and dust cloud created by the big bang. Some of the gas collapsed by the gravitational force to form the Sun at the center, while the whirling disk of gas and dust around the Sun subsequently cooled and lumped together to form larger and larger lumps of materials or planetesimals. These planetesimals collided fre quently and violently and in the process liberated heat that melted the material in them. With time this material gradually cooled and formed the planets of the solar system. During the second half of the twentieth century the theory of plate tectonics of the Earth became established and demonstrated that our planet is covered with six large and many small plates of the lithosphere. These plates move over a highly viscous lower part of the Earth's upper mantle and contain the continental and oceanic crusts. The lower mantle extends below the upper mantle until it meets the core that is more than half the diameter of the entire globe (12,740 km). The inner core consists mostly of iron and its temperature is about 5000 kelvin, whereas the liquid outer core is turbulent, rotates faster than the mantle, consists primarily of iron, and is the source of the Earth's magnetic field.

Author : M.H. Ort
Publisher : Geological Society of London
Page : 283 pages
File Size : 38,88 MB
Release : 2015-04-09
Category : Science
ISBN : 1862396299

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This volume provides a synopsis of current research on volcanic processes, as gained through the use of palaeomagnetic and rock magnetic techniques. Thermoremanent magnetization information provides a powerful means of deciphering thermal processes in volcanic deposits, including estimating the emplacement temperature of pyroclastic deposits, which allows us to understand better the rates of cooling during eruption and transport. Anisotropy of magnetic susceptibility and anisotropy of remanence are used primarily to investigate rock fabrics and to quantify flow dynamics in dykes, lava flows, and pyroclastic deposits, as well as identify vent locations. Rock-magnetic characteristics allow correlation of volcanic deposits, but also provide means to date volcanic deposits and to understand better their cooling history. Because lava flows are typically good recorders of past magnetic fields, data from them allow understanding of changes in geomagnetic field directions and intensity, providing clues on the origin of Earth’s magnetic field.