Superplumes: Beyond Plate Tectonics (eBook)
XIV, 569 Seiten
Springer Netherland (Verlag)
978-1-4020-5750-2 (ISBN)
This abundantly illustrated book provides a concise overview of our understanding of the entire mantle, its evolution since early differentiation and the consequences of superplumes for earth surface processes. The book's balanced authorship has produced a state-of-the-science report on the emerging concept of superplumes. This presents a new concept to explain catastrophic events on Earth through geologic time.
The four editors and most contributors have been a major group to organize recent critical international workshops, AGU special symposium, and other international workshop including last several Penrose conferences.
Forty years ago when plate tectonics was first discovered, there was a major shift in thinking in the Earth Sciences. Little was known at that time about the deep mantle because of the lack of knowledge about material properties, the absence of any seismic tomography or concepts such as mantle convection. Thus the theory of platetectonicswasbuiltonsurfaceobservationsandkinematicconstraints.Thetheory of plate tectonics is not independent but consists of several assumptions. Examples are the origin of arc magma, MORB or OIB, and the distribution of earthquakes and the plate margin processes are all part of plate tectonics theory. In the intervening years much progress has been made in all three burgeoning areas of mineral physics, seismic tomography and mantle dynamics, thanks to the technological advances in synchrotron radiation and supercomputers. Mineralphysicsstudieshaveprovidedsomeofthekeyparametersthatcontrolthe style of mantle convection. The style of convection in the Earth's mantle is largely controlled by complex material properties including the changes in density and v- cosityassociatedwithalargevariationinthepressureandtemperatureoftheEarth's interior. These key physical properties have become the target of both experimental andtheoreticalstudiesinmineralphysics.Startingfromtheearly90s,theadvancesin high-performance computational capability has allowed us to incorporate these m- eral physics findings into large-scale computational modeling of mantle convection; and these studies have highlighted the complexities of mantle convection caused by the variation in density due to both thermal and chemical anomalies (and viscosity) in the Earth's deep interior.
The four editors and most contributors have been a major group to organize recent critical international workshops, AGU special symposium, and other international workshop including last several Penrose conferences.
Preface. List of Contributors. I The Thermal and Compositional Structure of the Earth. Introduction. 1. Multiscale Seismic Tomography of Mantle Plumes and Subducting Slabs; Dapeng Zhao. 2. Seismological Constraints on the Structure of the Earth’s Core; Miaki Ishii. 3. Post-perovskite Phase Transition and the Nature of the D' Layer; Kei Hirose. 4. Post-perovskite MgSiO3 Investigated by First Principles; Taku Tsuchiya et al. II Seismological Evidence and Boundary Layers in the Mantle. Introduction. 5. Subduction Zone: the Water Channel to the Mantle; Soichi Omori, Tetysuya Komabayashi. 6. Fine-scale Ultra-low Velocity Zone Layering at the Core-mantle Boundary and Superplumes; Edward J. Garneto et al. III Global Material Circulation and Petrogenesis of Superplume Rocks. Introduction. 7. A Geochemical and Petrological View of Mantle Plume; Tetsu Kogiso. 8. Material Circulation through Time - Chemical Differentiation Within the Mantle and Secular Variation of Temperature and Composition of the Mantle; Tsuyoshi Komiya. IV Dynamics of Superplumes. Introduction. 9. Dynamics of Superplumes in the Lower Mantle; David A. Yuen et al. 10. Thermal Conductivity of the Earth’s Deepest Mantle; Anne M. Hofmeister. 11. Thermo-Chemical Structure of the Lower Mantle: Seismological Evidence and Consequences for Geodynamics; Frédéric Deschamps et al. 12. Microscopic Models for the Effects of Hydrogen on Physical and Chemical Properties of Earth Materials; Shun-Ichiro Karato. V Plume Dynamics through Earth History. Introduction. 13. History of the Pacific Superplume: Implications for Pacific Paleogeography Since the Late Proterozoic; Atsushi Utsunomiya et al. 14. Plume Winter Scenario for Biosphere Catastrophe: The Permo-Triassic Boundary Case;Yukio Isozaki. 15. Dynamics of Plumes and Superplumes through Time; Shigenori Maruyama et al. VI Plumes and Superplumes on Mars and Venus. Introduction. 16. Tharsis Superplume and the Geological Evolution of Early Mars; Victor R. Baker et al. 17. Traits and Evolution of the Tharsis Superplume, Mars; James M. Dohm et al. 18. Plumes and Plume Clusters on Earth and Venus: Evidence from Large Igneous Provinces (LIPs); Richard E. Ernst. Index.
Erscheint lt. Verlag | 26.8.2007 |
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Zusatzinfo | XIV, 569 p. |
Verlagsort | Dordrecht |
Sprache | englisch |
Themenwelt | Naturwissenschaften ► Geowissenschaften ► Geografie / Kartografie |
Naturwissenschaften ► Geowissenschaften ► Geologie | |
Naturwissenschaften ► Geowissenschaften ► Geophysik | |
Naturwissenschaften ► Physik / Astronomie | |
Technik | |
Schlagworte | Beyond plate tectonics • earth system • Geochemistry • Geoinformationssysteme • Geophysics • historical geology • Mantle dynamics • Mass extinction • Petrogenesis • Planet • Plate Tectonics • Proterozoic • subduction • Superplumes • Tectonics • Trias • Triassic |
ISBN-10 | 1-4020-5750-4 / 1402057504 |
ISBN-13 | 978-1-4020-5750-2 / 9781402057502 |
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