EGU 2016. Coupling Physics and Chemistry to Understand Subduction Zone Processes
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Dear Colleagues;
The Goldschmidt Conference 2016 will be held in Yokohama Japan between June 26 and July 1, 2016. In the subduction session we organize the following session in order to combine geochemistry with geophysics and geodynamics to understand better the subduction zone processes. Contributions of any topics relevant to the subduction zone processes are highly welcome.
Please note the conference on your schedule book and submit your abstract through http://goldschmidt.info/2016/.
Submission deadline of your abstract is 26th February, 2016.
See you in Yokohama!
Session 07e Conveners: Jun-Ichi Kimura, Junichi Nakajima, Peter van Keken, Georg F. Zellmer, Tatsuhiko Kawamoto
07e: Coupling Physics and Chemistry to Understand Subduction Zone Processes
Convener: Jun-Ichi Kimura, Junichi Nakajima, Peter van Keken, Georg F. Zellmer, Tatsuhiko Kawamoto
Keynote talk: Shuichi Kodaira (JAMSTEC)
Subduction zones usually consist of a descending oceanic plate slab, a wedge mantle, and an overriding arc crust. Various geodynamic phenomena occur, such as deep and shallow seismicities, intensive deformation, high heat flux, geothermal fluid flow, and magmatic activities. These phenomena are due to the particular structure of subduction zones, such as an inverted geotherm, and large amounts of water in the system. The water descents with the subducted slab and is released at sub-arc depths. In addition, fluids and magmas well up and react with the mantle and the crust. These liquid fluxes and the associated heat flux affect to the dynamics of the solid arc system. This session aims to combine cutting-edge research results on the geophysical, geochemical, and geodynamic processes in a subduction zone. Furthermore, the overall structure of a subduction zone and operating processes will be discussed. The discussions will focus on geophysical and geochemical constraints, including (1) seismic activities in the subducting oceanic plate slab with relevance to hydration, dehydration, and melting of the slab, (2) dynamic processes in the wedge mantle related to convection of solids and liquids with reference to the conditions of fluids and magmas, and (3) seismic activities and deformations in the crust relevant to thermal structure, geofluids, and magma storage. We invite contributions that model these links or that can provide some insights to the various phenomena in subduction zones. 07e: Coupling Physics and Chemistry to Understand Subduction Zone Processes
http://goldschmidt.info/2016/program/programViewThemes
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