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Article Dans Une Revue Comptes Rendus. Géoscience Année : 2024

Analogue model of rift linkage and inversion with application to the Western Alps

Résumé

Along-strike segmentation of orogens raises questions because its causes may predate orogeny in relation to structural inheritance. Here we focus on rift/margin linkage domains and their inversion by using analogue models with image analysis to extract the 3D strain field. Extensional models document, depending on the strike-perpendicular offset and the brittle-crust thickness, three types of rift linkage modes: (1) oblique linkage with early T-fault, (2) strongly-oblique linkage with R-fault network and, (3) transfer-linkage with late Y-strike-slip fault. Analogue model of inverted rift basins is used to analyse the misunderstood tectonic evolution of transition zones in the segmented Western Alpine belt.
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Dates et versions

hal-04237629 , version 1 (11-10-2023)

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Nicolas Dall’asta, Yoann Denèle, Vincent Regard, Anne Frayssignes, Guilhem Hoareau, et al.. Analogue model of rift linkage and inversion with application to the Western Alps. Comptes Rendus. Géoscience, 2024, Geodynamics of continents and oceans - A tribute to Jean Aubouin, 356 (S2), pp.1-21. ⟨10.5802/crgeos.231⟩. ⟨hal-04237629⟩
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