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Évolution du contenu détritique sédimentaire au cours d’un cycle orogénique

Abstract : Surface processes changes resulting from tectonics and climate interactions are potentially preserved by the sedimentary record. Here we focus on the North Iberian plate, which records each phases of the alpin cycle. In order to study the detrital content evolution from rifting to mountain formation we use a combination of low temperature thermochronometers. First, results allow us to constrain the tectono-thermal and detrital histories of the Cameros inverted mesozoic rift basin over 100 Ma. Then, new thermochronological, petrological and geochronological data lead us to extend this observation at the Ebro basin regional scale and to explore the detrital thermochronology potential bias on the source signal. Finally, these results are integrated into a reconstruction proposal of the Iberian paleogeography, from the Oxfordian to the late Miocene.
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Submitted on : Friday, June 28, 2019 - 10:44:32 AM
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Juliette Rat. Évolution du contenu détritique sédimentaire au cours d’un cycle orogénique. Sciences de la Terre. Université Toulouse III Paul Sabatier (UT3 Paul Sabatier), 2019. Français. ⟨tel-02167789⟩



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