New geomorphic criteria on lateral propagation of blind thrust-related fold growth accommodating oblique convergence

Abstract : The aim of this contribution is to show the styles of growing anticlines and the ways in which they accommodate oblique convergence through proximal foreland basins and intramontane basins. The four natural examples of individual fault-related-folds are: the Chandigarh anticline in the Siwalik foothills of Himalaya (NW India), the Pakuashan anticline in the western foothills of Central Range (Taiwan), the J. Bou Dhar-Tamdafelt fold belt (Morocco) and the Marand anticline in the North-Tabriz Fault-Zone (NW Iran). The evolution of these geomorphic criteria and drainage patterns shows evidence of lateral propagation of folds accommodating oblique convergence. This paper focuses on the geomorphic indicators that could be used to provide information on the timing of fault-related folding and direction of lateral propagation. Several tectonic scenarios has been analysed and an attempt has been made to delineate the sequential evolution of anticlines accommodating oblique convergence.
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Bernard Delcaillau, Jean-Michel Carozza, E. Laville, M. Amrhar, R. Sheikholeslami. New geomorphic criteria on lateral propagation of blind thrust-related fold growth accommodating oblique convergence. Annales de Géomorphologie / Annals of Geomorphology / Zeitschrift für Geomorphologie, Schweizerbart und Borntraeger, 2007, 51 (2), pp.141-163. ⟨10.1127/0372-8854/2007/0051-0141 ⟩. ⟨halshs-01066109⟩

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