Objective A better comprehension of the rheology of the lithosphere is required to relate long and short term deformation regimes and describe the succession of events leading to earthquakes. But our vision of the rheology is blurred because gaps exist between visions of geologists, experimentalists and modellers. Geologists describe the evolution of a structure at regional-scale within geological durations. Specialists of experimental rheology control most parameters, but laboratory time constants are short and they often work on simple synthetic rocks. Specialists of modelling can choose any time- and space-scales and introduce in the model any parameter, but the resolution of their models is low compared to natural observations, and mixing short-term and long-term processes is uneasy. It seems now clear that there is not one rheological model applicable to all contexts and that rheological parameters should be adapted to each situation. We will work on exhumed crustal-scale shear zones and describe them in their complexity, focussing on strain localisation and high strain structures that can lead to fast slip events. A number of objects will be studied, starting from geological description (3D geometry, P-T-fluids estimates and dating), experimental studies of rheological properties of natural sampled rocks and numerical modelling. We will set an Argon-dating lab to work on dense sampling for dating along strain gradients in order to overcome local artefacts and quantify rates of strain localisation. We will deform in the lab natural rocks taken from the studied objects to retrieve adapted rheological parameters. We will model processes at various scales, from the lab to the lithosphere in order to ensure a clean transfer of rheological parameters from one scale to another. Fields of science natural sciencesearth and related environmental sciencesgeologyseismologynatural sciencesmathematicspure mathematicsgeometry Programme(s) FP7-IDEAS-ERC - Specific programme: "Ideas" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013) Topic(s) ERC-AG-PE10 - ERC Advanced Grant - Earth system science Call for proposal ERC-2011-ADG_20110209 See other projects for this call Funding Scheme ERC-AG - ERC Advanced Grant Coordinator UNIVERSITE D'ORLEANS Address Chateau de la source 45067 Orleans cedex 2 France See on map Region Centre — Val de Loire Centre — Val de Loire Loiret Activity type Higher or Secondary Education Establishments Principal investigator Laurent Jolivet (Prof.) Administrative Contact Géraldine Leonard (Ms.) Links Contact the organisation Opens in new window Website Opens in new window EU contribution No data Beneficiaries (2) Sort alphabetically Sort by EU Contribution Expand all Collapse all UNIVERSITE D'ORLEANS France EU contribution € 1 756 385,00 Address Chateau de la source 45067 Orleans cedex 2 See on map Region Centre — Val de Loire Centre — Val de Loire Loiret Activity type Higher or Secondary Education Establishments Principal investigator Laurent Jolivet (Prof.) Administrative Contact Géraldine Leonard (Ms.) Links Contact the organisation Opens in new window Website Opens in new window Other funding No data UNIVERSITE PIERRE ET MARIE CURIE - PARIS 6 France EU contribution € 888 615,00 Address Place jussieu 4 75252 Paris See on map Activity type Higher or Secondary Education Establishments Administrative Contact Ouerdia Oumohand (Ms.) Links Contact the organisation Opens in new window Website Opens in new window Other funding No data
