This project focusses on the study of tectonic structures arisen from strain localization in mid- and low crustal domains, a key subject in dynamics of the lithosphere. Conceived as a continuation of the previous one, the project has as a main goal the study of nucleation and development of shear zones and deformation bands and related structures and their localization in the presence of melts. The methodology integrates the study of natural structures with combined experimental and numerical methods and three-dimensional visualization. This approach emphasizes more the phenomenological questions than the regional context. This justifies the selection of very specific field areas where the geological and geodynamic context is sufficiently understood. The two selected areas (Hercinian of the Pyrenees and Quetico Belt) are located in a transpressive geodynamic setting. The results of this research project will represent a significant advance in the knowledge of dynamic, kinematic and rheological controls on the nucleation, geometry and later evolution of deformation structures, all crucial factors for the correct interpretation of the evolution of orogens and associated processes. Apart from the merely scientific aims, the project will help to consolidate, extend and give international relevance to the research group. Collaboration with other research groups will contribute to this purpose.
|Effective start/end date||13/12/04 → 13/12/07|
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