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Título: | Tectonic classification of Cenozoic Iberian foreland basins | Autor: | De Vicente, G. Cloetingh, S. Van Wees, J. D. Cunha, Pedro P. |
Data: | 2011 | Editora: | Elsevier | Citação: | De Vicente, G.; Cloetingh, S.; Van Wees, J.D.; Cunha, Pedro P.Tectonic classification of Cenozoic Iberian foreland basins. Tectonophysics, 502, 1-2, 38-61, 2011. | Título da revista, periódico, livro ou evento: | Tectonophysics | Volume: | 502 | Número: | 1-2 | Resumo: | The Iberian microcontinent stands out because of its intense Alpine intraplate deformation. This is reflected in a large number of Cenozoic basins of very different sizes. Most of the contacts between topographic highs and basins are thrust or strike-slip faults. All these basins seem to have undergone a common sedimentary evolution, comprising four stages: initiation of sedimentation, intense syn-tectonic infilling, change from endorheic to exorheic drainage, and accelerated erosion related to fluvial incision. This simple evolutionary model shows a migration from East to West, in which basins are still tectonically active at the Atlantic margin of Iberia. This common evolution is also found in a series of geometrical characteristics, such as the ratio r of length of strike-slip fault and length of thrust fault, that are very similar in both types of basin border settings. Thrust-related basins are mainly associated with segmented pop-downs, whereas the main basins have the characteristics of open-ramp basins. Strike-slip related basins are mostly transpressive structures, although small pull-apart basins are usual along the Vilariça and Messejana faults. For basin areas larger than 100– 1000 km2, a constant r value of 0.6 is found (including the Ebro, Duero, Madrid, Lower Tagus and Badajoz basins). Within the Iberian microcontinent, the total amount of Cenozoic contractional deformation was distributed between strike-slip and thrust faults with an r ratio close to 0.6. However, for small basins this parameter seems to depend on the type of fault, range or deformation belt (pure strike-slip, transtension, transpression, and pop-up) independently of its local tectonic development. | URI: | https://hdl.handle.net/10316/15171 | ISSN: | 0040-1951 | Outros identificadores: | 0040-1951 | DOI: | 10.1016/j.tecto.2011.02.007 | Direitos: | openAccess |
Aparece nas coleções: | I&D MARE - Artigos em Revistas Internacionais FCTUC Ciências da Terra - Artigos em Revistas Internacionais |
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2011DeVicente_etal.pdf | 9.36 MB | Adobe PDF | Ver/Abrir |
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