Subduction Of Aseismic Oceanic Ridges
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Author | : P. R. Vogt |
Publisher | : Geological Society of America |
Total Pages | : 65 |
Release | : 1976 |
Genre | : Science |
ISBN | : 0813721725 |
Author | : Peter Richard Vogt |
Publisher | : |
Total Pages | : 59 |
Release | : 2018 |
Genre | : Island arcs |
ISBN | : |
Author | : Peter R. Yogt |
Publisher | : |
Total Pages | : 63 |
Release | : |
Genre | : |
ISBN | : 9780608171586 |
Author | : Hans G. Avé Lallemant |
Publisher | : |
Total Pages | : 59 |
Release | : 1975 |
Genre | : Diatoms |
ISBN | : 9780813721712 |
Author | : Hans G. Ave Lallemant |
Publisher | : |
Total Pages | : |
Release | : 1967 |
Genre | : Geomorphology |
ISBN | : |
Author | : Carl Bowin |
Publisher | : |
Total Pages | : 74 |
Release | : 1934 |
Genre | : Diatoms |
ISBN | : 9780813721682 |
Author | : |
Publisher | : |
Total Pages | : 59 |
Release | : 1976 |
Genre | : |
ISBN | : |
Author | : Larry J. Ruff |
Publisher | : Birkhäuser |
Total Pages | : 280 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 3034891407 |
Subduction zones consume oceanic lithosphere and are an indispensible part of plate tectonics. Unlike the oceanic lithosphere production system which can be linked as a nearly continuous, albeit sinuous, strand around the earth, subduction zones are a rather dissociated group and are found in several isolated corners of the world. While plate tectonics can predict that subduction zones are required along certain plate boundaries, it does not stipulate how subduction zones initiate and develop. The preservation of newly created oceanic lithosphere and the propensity for spreading centers to fragment continents leaves a wealth of geological informa tion on the initiation and evolution of spreading. On the other hand, the subject of subduction initiation has little observational basis. To find such observations, we need to look at some muddled tectonic regimes. The Macquarie Ridge complex presents a natural laboratory for studies of subduction initiation. 2. Tectonics of the Macquarie Ridge Complex The Macquarie Ridge complex is a complicated physiographic feature that trends approximately north-south between South Island, New Zealand and the Pacific-Antarctica spreading center. This feature consists of a sequence of troughs and ridges, with Macquarie Island as the only exposed expression. The seismically active Macquarie Ridge complex (hereafter: MRC) is crudely continuous with the Tonga-Kermadec-New Zealand seismic activity. The basic physiographic features and seismicity of the MRC are shown in Figure I. The earthquake epicenters generally cluster about the bathymetric expression of the MRC.
Author | : Adolphe Nicolas |
Publisher | : Copernicus |
Total Pages | : 232 |
Release | : 1995 |
Genre | : Science |
ISBN | : |
Contains the most recent oceanographic data with ophiolites, representing fossil ocean crust, abducted onto the continents by tectonic processes.
Author | : Raymond V. Ingersoll |
Publisher | : Geological Society of America |
Total Pages | : 757 |
Release | : 2017-12-28 |
Genre | : Science |
ISBN | : 0813725402 |
Through a remarkable combination of intellect, self-confidence, engaging humility, and prodigious output of published work, William R. Dickinson influenced and challenged three generations of sedimentary geologists, igneous petrologists, tectonicists, sandstone petrologists, archaeologists, and other geoscientists. A key figure in the plate-tectonic revolution of the 1960s and 1970s, he explained how the distribution of sediments on Earth's surface could be traced to tectonic processes, and is widely recognized as a founder of modern sedimentary basin analysis. This volume consists of 31 chapters related to Dickinson's research interests; many of the authors are his former students, their students, and their students' students, demonstrating his continuing profound influence. The papers in this volume are an impressive tribute to the depth and breadth of Bill Dickinson's contributions to the geosciences.