529 pages, 189 illus., 112 in colour
This 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 balanced, international authorship of the eighteen contributions has produced a state-of-the-science report on the emerging concept of superplumes and has documented the potential of superplumes to serve as a testable model for future studies.
The topic of superplume dynamics has been treated from different angles covering the sub-disciplines of geology, geochemistry, petrology as well as geophysics (including mineral physics, seismic tomography and mantle dynamics). For instance, it is shown how transport of heat via superplumes, huge stable pipes connecting the high-temperature core with the surface land mass, could have caused mass extinctions and drastic environmental change.
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; Frederic 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.
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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. Sorry I have no times to summarize all. If necessary we will do it.