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handle: 10261/5749 , 20.500.14352/56811
[ES] La sedimentación tortonienso en las Béticas registra la superposición de un gran evento tectónico, correspondiente a la deformación más importante de la cordillera, y del ciclo global TB 3.2 de cambios del nivel de mar. Se ofrece la primera propuesta de interpretación de la cuenca de Murcia-Carrascoy en términos de Estratigrafía Secuencial. La surrección de relieves positivos alrededor do la cuenca favoreció el depósito de potentes acumulaciones de conglomerados que manifiestan la autofagia de la cuenca. Las asociaciones de facies indican que el depósito se produjo en un talud de cuenca abrupta alimentado por ríos de montaña que aportaba materiales de grano grueso. El fan delta resultante es comparable en muchos aspectos a los descritos en fiordos y se presenta un modelo sedimentario.
[EN] Tortonian sedimentation in the Betics records a major tectonic event, the largest orogenic deformation of the cordillera, suporimposed on the largerscale, third-order TB 3.2 cycle ofeustatic sea-level change. A first interpretation of the Sequence Stratigraphy of the Murcia-Carrascoy basin is presented. Uplift of positive reliefs around the basin favoured the deposition of thick successions of conglomorates evidencing cannibalism. Facies associations witness deposition on the steep siope of a basin, fed by mountain rivers that supplied coarse sediments to the basin. The resulting fan delta is comparable in many respects to those described in fjords, and a depositional model is presented.
Finasacia] support from Programación Científica del CSIC 630/070.
Peer reviewed
2506.19 Estratigrafía, S. E. Spain, 551.782(460.33), Estratigrafía Secuencial, Estratigrafía, Sequence Stratigraphy, Secuencial, Murcia, S. E. Spain, Neógeno Superior, Late Neogene, Slope, Sureste de España, Geología estratigráfica, Fan delta, Murcia, Talud
2506.19 Estratigrafía, S. E. Spain, 551.782(460.33), Estratigrafía Secuencial, Estratigrafía, Sequence Stratigraphy, Secuencial, Murcia, S. E. Spain, Neógeno Superior, Late Neogene, Slope, Sureste de España, Geología estratigráfica, Fan delta, Murcia, Talud
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