[CIG-ALL] Call abstracts session GD2.3/SM6.15 (EGU 2016)

Ben Mansour, Walid wbm2 at leicester.ac.uk
Tue Jan 5 09:54:13 PST 2016

Dear colleagues,

We would like to draw your attention to the session GD2.3/SM6.15  “Tracing the lithosphere at craton edges” at the EGU General Assembly 2016 in Vienna and hope that you will consider submitting an abstract to this session. The abstract submission deadline is 13 Jan 2016.

Session description:

The lithospheric structure of cratons and orogenic belts across the world are actually well defined from different seismological techniques (receiver functions, surface wave- body wave tomography, seismic ambient noise, seismic refractions) and other geophysical data (magnetotellurics, gravity).Geophysical-petrological modelling allows to validate the models compatible with the geology. Nevertheless the models are non-unique and nature and quality data play an important role in the final model.
Here the session will focus on the edge of Precambrian craton/shield (Baltic Shield, Sao Francisco craton, Slave craton, Yangtze craton, Kaapvaal craton, Yilgarn craton, etc.) and the transition between these craton/shield and orogenic belts at the edge of these terranes. Indeed several studies suggest that the lithospheric properties (velocity profile, crustal/lithospheric thickness, Poisson’s ratio, Moho sharpness) are different and a non- simple model linking the geology observation and geophysical observations.
We invite oral and poster contributions looking at Precambrian shield, the orogenic belt at the edge of these terranes using seismological (RFs, ambient field, FWI, controlled sources, seismic tomography), electromagnetism or gravity imaging from crustal scale to lithospheric scale. But also contributions from petrological modelling and seismic anisotropy which bring extra information about the deformation associated to this transition.
Solicited speakers: Taras Gerya (ETH Zurich), and Christian Sippl (Australian National University)

With best regards

Walid Ben Mansour
Javier Fullea
Jörg Ebbing

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