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S17 Outer core structure and dynamics

Description:
The outer core is believed to be liquid iron-nickel alloy with around 10 wt% of additional light elements such as Si, C, S, H, P or N. While its density and wavespeed profile is very close to being one of a homogeneous composition in uniform self-compression, recent seismological studies suggest lower wavespeeds near the core-mantle boundary and the inner core boundary. In this session we invite contributions bearing on the chemical homogeneity of the outer core. Contributions from seismology, geomagnetism, core dynamics, mineral physics, geochemistry and experimental petrology are welcome.

Invited speaker:  Prof. Satoshi Kaneshima (U. Kyushu)

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