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P77. Exploring the multidimensional nature of shear zones at 360°


Congressi SGI-SIMP

  • Maffeis Andrea - Università di Torino
  • Petroccia Alessandro - Università di Torino
  • Corvò Stefania - Università degli Studi di Pavia
  • Montemagni Chiara - Università degli Studi di Milano -Bicocca
  • Tursi Fabrizio - Università di Padova
Investigation of crustal- to lithosphere-scale shear zones is one of the most effective ways to constrain plate tectonics' evolution and related processes across space and time. Different approaches and techniques are available to decipher their rheology evolution (e.g., strain softening vs. strain hardening) during tectonic activity. Moreover, due to deformation-enhanced permeability mechanisms, they constitute preferential pathways for fluid-mediated mass transfer through the lithosphere, also playing a crucial role in ore-forming processes. Coupling field-based studies with different scales of structural investigations, advanced techniques in forward thermodynamic modelling, mineral crystallographic preferred orientation analysis, fluid inclusion studies, isotope microanalysis and geochronology allows exploring the multiple factors controlling strain localisation in the Earth's lithosphere.
This session will highlight the importance of integrating classical structural investigations and field studies with cutting-edge analytical techniques and thermodynamic/numerical modelling to unveil physico-chemical processes occurring in shear zones.
We welcome contributions dealing with shear zones at varying scales from different points of view. Therefore, this session aims at providing a forefront overview of the multidisciplinary research on shear zones and paves the way for future innovation.
Shear zone, Geochronology, Thermodynamic Modelling, Fluid chemistry, Deformation
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