In this contribution, we will describe examples from the subducted continental crust of the Western Alps, Austroalpine domain. We will integrate results from structural geology, petrology/geochemistry, and modelling, at different scales from lithosphere to atomic scale, emphasising the roles of contrasting tectono-metamorphic evolutions versus the efficiency of rocks to memorize their promenade along the subduction plate interface or close to it. We will compare the evolution of continental crust slices found at different positions within the subduction architecture and recording specific structural features and metamorphic parageneses. We emphasise that the combined use of structural and metamorphic criteria is the only nowadays reliable method to fully investigate such an heterogeneous system.

Continental crust subduction-related structures: contrasting evolutions vs. contrasting memories / M. Zucali, M.I. Spalla, D. Zanoni, M. Roda, F. De Salvo, L. Corti, G. Rebay. ((Intervento presentato al convegno Geosciences: a tool in a changing world tenutosi a Pisa nel 2017.

Continental crust subduction-related structures: contrasting evolutions vs. contrasting memories

M. Zucali;M. I. Spalla;D. Zanoni;M. Roda;L. Corti;G. Rebay
2017-09-05

Abstract

In this contribution, we will describe examples from the subducted continental crust of the Western Alps, Austroalpine domain. We will integrate results from structural geology, petrology/geochemistry, and modelling, at different scales from lithosphere to atomic scale, emphasising the roles of contrasting tectono-metamorphic evolutions versus the efficiency of rocks to memorize their promenade along the subduction plate interface or close to it. We will compare the evolution of continental crust slices found at different positions within the subduction architecture and recording specific structural features and metamorphic parageneses. We emphasise that the combined use of structural and metamorphic criteria is the only nowadays reliable method to fully investigate such an heterogeneous system.
Settore GEO/03 - Geologia Strutturale
Continental crust subduction-related structures: contrasting evolutions vs. contrasting memories / M. Zucali, M.I. Spalla, D. Zanoni, M. Roda, F. De Salvo, L. Corti, G. Rebay. ((Intervento presentato al convegno Geosciences: a tool in a changing world tenutosi a Pisa nel 2017.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2434/524249
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