Tectonic plate boundaries are constantly (re)used to assemble and breakup supercontinents through geological time. This is known as the Wilson Cycle, a concept that describes how sutures and mountains are reactivated to open oceanic basins, which are in turn subducted leading to continental collision and the rise of orogenic belts. The successive rifting and shortening events modify the lithosphere along plate boundaries with structural, compositional, and thermal heterogeneities. In each tectonic event, these inherited heterogeneities are considered to play a key role in localizing strain, defining the structural style, the magmatic budget, and the final architecture of the crust. Thus, elucidating the structural and rheological nature of the heterogeneities and how they interact with far-field tectonic forces to localize deformation remains a key component of interpreting both active and prior deformation patterns.
In the session we welcome contributions that use field observations, geophysical data, analogue and/numerical modelling to investigate all aspects of inheritance and how it controls the tectonic processes involved in shaping convergent and divergent plate boundaries.
The evolution of the Apennines is framed between the fragmentation of Pangea, the development of the Mesozoic Ligurian Tethys, Alpine collisional and the development of the Central Mediterranean Tertiary basins. In this session, we aim to discuss: (a) the sedimentary evolution, from Permian to Present, and its relation with tectonics; deformation and metamorphism developed in the different tectonic environments, from rifting to subduction, exhumation and late-orogenic stages; (b) the role and evolution of the Mesozoic carbonate platform in the Apennines, Alps and Maghrebides; (c) the role of the Sardina-Corsica and Calabria-Peloritan arc to unravel the collisional puzzle in the central mediterranean area and the link between the Alps-Apennines-Magrebides; (d) magmatism in space and time and its connection with the geodynamic evolution, from the orogens to Tertiary extension; (e) processes forming geological resources, from oil to ore deposits and geothermal fields; (f) recent tectonics, as reconstructed through seismological and paleo-seismological studies; (g) the crustal structure, as derived by geophysical methods and their interpretation.
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