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Role of the Kazerun fault system in active deformation of the Zagros fold-and-thrust belt (Iran) |
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| Authors: | Christine Authemayou Olivier Bellier Dominique Chardon Zaman Malekzade Mohammad Abassi |
| Institution: | 1. Centre européen de recherche et d''enseignement de géosciences de l''environnement (UMR CNRS 6635), université Aix–Marseille-3, BP 80, 13545 Aix-en-Provence cedex 4, France;2. International Institute of Earthquake Engineering and Seismology, Sholeh str., 8th Kohestan, Pasdaran, Tehran, I.R. Iran |
| Abstract: | Field structural and SPOT image analyses document the kinematic framework enhancing transfer of strike-slip partitioned motion from along the backstop to the interior of the Zagros fold-and-thrust belt in a context of plate convergence slight obliquity. Transfer occurs by slip on the north-trending right-lateral Kazerun Fault System (KFS) that connects to the Main Recent Fault, a major northwest-trending dextral fault partitioning oblique convergence at the rear of the belt. The KFS formed by three fault zones ended by bent orogen-parallel thrusts allows slip from along the Main Recent Fault to become distributed by transfer to longitudinal thrusts and folds. To cite this article: C. Authemayou et al., C. R. Geoscience 337 (2005). |
| Keywords: | Zagros Strike-slip faulting Tectonics Fault kinematics Oblique convergence Partitioning Segmentation Zagros Faille décrochante Tectonique Cinématique de failles Convergence oblique Partitionnement Segmentation |
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