Solid Earth Sciences(S)
Session Sub-categoryScience of the Earth's Interior & Tectonophysics(IT)
Session IDS-IT26
TitleInteraction and Coevolution of the Core and Mantle in the Earth and Planets
Short TitleCore-mantle coevolution
Main Convener NameKenji Ohta
AffiliationDepartment of Earth and Planetary Sciences, Tokyo Institute of Technology
Co-Convener 1NameTsuyoshi Iizuka
AffiliationUniversity of Tokyo
Co-Convener 2NameKenji Kawai
AffiliationDepartment of Earth and Planetary Science, School of Science, University of Tokyo
Co-Convener 3NameTaku Tsuchiya
AffiliationGeodynamics Research Center, Ehime University
Session LanguageE
ScopeRecent observational and experimental investigations have significantly advanced our understanding of the structure and constituent materials of the deep Earth. Yet, even fundamental properties intimately linked with formation and evolution of the planet, such as details of the chemical heterogeneity in the mantle and light elements dissolved in the core, remain unclear. Seismological observations have suggested a vigorous convection in the lower mantle, whereas geochemistry has suggested the presence of stable regions there that hold ancient isotope signatures. The amounts of radioactive isotopes that act as heat sources and drive dynamic behaviors of the deep Earth are also still largely unknown. We provide an opportunity to exchange the achievements and ideas, and encourage persons who try to elucidate these unsolved issues of the core-mantle evolution using various methods, including high-pressure and high-temperature experiments, high-precision geochemical and paleomagnetic analyses, high-resolution geophysical observations, geo-neutrino observations, and large-scale numerical simulations. Papers stimulating an interdisciplinary collaboration relating to establishment of the Japan-SEDI community are also welcomed.
Presentation FormatOral and Poster presentation