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TS7.4/G6.4/GD6.7/SM6.2

Dynamics and Structure of the Mediterranean Alpine Collision and Back-arcs (including the Stephan Mueller Medal lecture by Claudio Faccenna) (co-organized)
Convener: Laetitia Le Pourhiet  | Co-Conveners: György Hetényi , Carlos J. Garrido 
Orals
 / Tue, 29 Apr, 08:30–12:00  / 13:30–17:00  / Room B14
Posters
 / Attendance Tue, 29 Apr, 17:30–19:00  /  / Attendance 17:30–19:00
 / Attendance Tue, 29 Apr, 17:30–19:00  /  / Attendance 17:30–19:00
 / Attendance Tue, 29 Apr, 17:30–19:00  /  / Attendance 17:30–19:00  / Blue Posters
The region encompassing the circum-Mediterranean mountain chains provides a record of long-lived convergence between Africa/Arabia and Eurasia, including several microcontinents that rifted off these major plates and trapped in the convergence zone. The present kinematics of this area is largely controlled by the subduction of land-locked ocean remnants, giving rise to slab-rollback, extensional back-arcs and lateral escape of terranes. The Mediterranean area is hence an exceptional natural laboratory for studying various stages of plate margin evolution, including the formation of rifted margins, intraoceanic and continental subduction, continental collision, exhumation and emplacement of high-pressure terranes and orogenic peridotites and ophiolites, as well as the formation of flexural foreland and back-arc basins. A rapidly emerging topic is the possible transition from a passive to an active margin observed in the Western Mediterranean.

The aim of this session is to gather researchers working in the peri-Mediterranean area (including the North African margins, the Gulf of Cadiz, the Betic-Rift belt, the Pyrenees, the Alps, the Carpathians, the Apennines, the Dinarides, the Hellenides, Turkey and the Levant) to share their experience to discuss the "big picture" that emerges from different disciplines. We would like receive contributions from studies comprising a wide range of disciplines including geological constrains (stratigraphy, igneous and metamorphic petrology, geochronology, tectonics and geomorphology), geophysics (seismicity, passive and active seismological imaging, gravity), geodesy (GPS, InSAR) and modelling (numerical and analogue) and that are aimed at constraining the lithospheric structure, tectonics, geodynamic evolution and paleogeography of this region.

Talks and posters will be organized into topical groups that will include, but will not be limited to, mountain building, back-arc process and slab roll-back, constrains on past and present kinematics. On top of these general contribution sub-sessions, special focus will be given to areas where the deployments of seismological arrays have brought/will bring a lot of exciting new data to constrain the current structure of the crust and lithosphere (Alps, Westernmost Mediterranean) and which focus cross-disciplinary studies.

Invited speakers :

Cesar Ranero
Douwe Van Hinsbergen
Guillermo Booth Rea

Co-sponsored by International Lithospheric Program CC4-MEDYNA and EU-FP7-IRSES-MEDYNA
Public information: Co-sponsored by International Lithospheric Program CC4-MEDYNA and EU-FP7-IRSES-MEDYNA