Alboran Sea late cenozoic tectonic and stratigraphic evolution |
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| Authors: | A Maldonado A C Campillo A Mauffret B Alonso J Woodside J Campos |
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| Institution: | (1) Instituto de Ciencias del Mar, C.S.I.C., Paseo Nacional s/n, 08039 Barcelona, Spain;(2) Department de Géodynamique, Tectonique et Environnement, C.N.R.S., Université Pierre et Marie Curie, 75252 Paris Cedex 05, France;(3) Free University, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands;(4) Departamento de Geodinámica I.A.G.M./C.S.I.C., Universidad de Granada, Spain |
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| Abstract: | Analysis of airgun seismic profiles from the Alboran Sea reveals a complex morphostructure with margins, basins, and structural highs. North of the Alboran Ridge, south-facing margins have a passive style of evolution, with thick progradational sequences of post-Messinian deposits, whereas north-facing margins are tectonized along structural highs with reduced sediment cover. Basins are extensional features developed since the Early Miocene by mechanisms of tectonic escape and pull-apart, under generalized northwest-southeast to north-south compression. Depositional sequences in this semi-land-locked sea were controlled by the local tectonism and influenced by global sea-level oscillations. |
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