Multichannel seismic data imaging of inversion tectonics of the Alboran Ridge (western Mediterranean Sea) |
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| Authors: | J Bourgois A Mauffret A Ammar A Demnati |
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| Institution: | (1) CNRS-INSU, Laboratoire de Géodynamique, Tectonique et Environnement, Université Pierre et Marie Curie, T26-16, E4, 75252 Paris Cedex 05, France;(2) Department des Sciences de la Terre, Université Mohamed V., Rabat, Morocco;(3) ONAREP, rue Michlifene, Rabat, Morocco |
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| Abstract: | The Alboran Ridge is an anticlinorium structure trending N65°E bounded by two main right lateral strikeslip fault systems, one north and one south. These transpressional features connect westward to a pull-apart zone where massive diapirism occurs. The orientation of the diapiric zone is N150°E. That orientation and the right lateral motion along the Alboran Ridge fit a N150°E convergent motion between African and Iberian plates. We suggest that the southern Alboran Basin evolved as an extensional stage from Burdigalian to Langhian and as a transpressional stage during Tortonian to present time. |
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