Earth Accretionary Systems In Space And Time
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Earth Accretionary Systems in Space and Time
Author: Peter Anthony Cawood
language: en
Publisher: Geological Society of London
Release Date: 2009
Accretionary orogens form at convergent plate boundaries and include the supra-subduction zone forearc, magmatic arc and backarc components. They can be broken into retreating and advancing types, based on their kinematic framework and resulting geological character.Accretionary systems have been active throughout Earth history, extending back until at least 3.2 Ga, and provide an important constraint on the initiation of horizontal motion of lithospheric plates on Earth. Accretionary orogens have been responsible for major growth of the continental lithosphere, through the addition of juvenile magmatic products, but are also major sites of consumption and reworking of continental crust through time.The aim of this volume is to provide a better understanding of accretionary processes and their role in the formation and evolution of the continental crust. Fourteen papers deal with general aspects of accretion and metamorphism and discuss examples of accretionary orogens and crustal growth through Earth history, from the Archaean to the Cenozoic.
Processes and Ore Deposits of Ultramafic-Mafic Magmas through Space and Time
Processes and Ore Deposits of Ultramafic-Mafic Magmas through Space and Time focuses on the fundamental processes that control the formation of ore deposits from ultramafic-mafic magmas, covering chromite, platinum-group element (PGE), Ni-sulfides and Ti-V-bearing magnetite. The exploration, exploitation and use of these magmatic ores are important aspects of geology and directly linked to the global economy. Magmatic ores form from ultramafic-mafic magmas and crystallize at high-temperature after emplacement into crustal magma chambers, and are genetically linked to the evolution of the parental magmas through space and time. This book features recent developments in the field of magmatic ore deposits, and is an essential resource for both industry professionals and those in academia. - Elucidates the relationships between tectonic settings and magmatic ore mineralization - Provides the links between magma generation in the mantle and ore mineralization at crustal levels - Features the latest research on changing patterns in magmatic ore mineralization through time and their bearing on the chemical evolution of the Earth's mantle
A Tectonic History of the Earth
Author: Graham Park
language: en
Publisher: Liverpool University Press
Release Date: 2025-06-30
A Tectonic History of the Earth provides a comprehensive exploration of the dynamic geological forces that have shaped our planet over the past 4,500 million years. At least four supercontinents have formed and subsequently dispersed during this time, each leaving a lasting imprint on the planet’s structure. Written for Earth science scholars and students, this book recounts the history of the tectonic and magmatic events that accompanied these changes in crustal architecture, and explains how they may be integrated into the world-wide system of convection currents responsible for the transfer of heat from the interior of the Earth to its periphery. The author also discusses how these processes may be connected to significant environmental events such as ice ages and mass extinctions, illustrating how Earth’s geology and its environment are intricately linked. Through a study of past tectonic patterns and their environmental consequences, certain predictions can be offered into Earth’s potential future. Graham Park is Emeritus Professor of Tectonic Geology at the University of Keele and has published numerous books and research papers on tectonic geology. He is the author of the best-selling Introducing Geology: A Guide to the World of Rocks, and the award-winning Mountains: The Origins of the Earth’s Mountain Systems.