Publication: Sedimentología y evolución paleogeográfica
de la cubeta de Las Hoyas
(Cretácico inferior Serranía de Cuenca)
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Publication Date
1993
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Editorial Complutense
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Abstract
La cubeta de Las Hoyas (Serranía de Cuenca, Cordillera Ibérica) sufrió un relleno sedimentario complejo durante el Cretácico inferior. En un contexto de rift intracontinental, la cubeta de Las Hoyas se encontraba localizada sobre un bloque subsidente controlado por directrices tectónicas ONO-ESE y NO-SE. La variación a lo largo del tiempo del equilibrio entre la tasa de sedimentación y la tectónica sinsedimentaria activa, en interacción con una serie de factores intra y extracuencales (producción de carbonatos, llegada de aportes siliciclásticos, clima...) determinó una historia sedimentaria en tres episodios en los que la paleogeografía de esta cubeta estuvo dominada por diferentes arnbientes. En un primer Episodio se instaló una llanura aluvial distal. Un segundo Episodio está definido por la instalación en todo el área de un ambiente lacustre abierto. El tercer y último Episodio está representado por un ambiente de llanura aluvial distal con áreas lacustres marginales dominantes.
Las Hoyas sub-basin (Serranía de Cuenca, Iberian Ranges) had a very complex sedimentary infilling during the Lower Cretaceous. This basin was settled on a subsident block, in a intracontinental rift context. This block was controlled by WNW-ESE and NW-SEtectonic lineations. lts sedimentary history was developped in three stages and was outlined by the interaction and the equilibrium among severa! factors: sedimentation rate, diferential subsidence, carbonate production, siliciclastic supply, climate... During the three stages the paleogeography was dominated by differents environments. During the first one a distal alluvial plain was installed in the area. A lacustrine environment was developped during the second stage. The third stage is represented by the installation of a distal alluvial plain dominated by marginal lacustrine areas.
Las Hoyas sub-basin (Serranía de Cuenca, Iberian Ranges) had a very complex sedimentary infilling during the Lower Cretaceous. This basin was settled on a subsident block, in a intracontinental rift context. This block was controlled by WNW-ESE and NW-SEtectonic lineations. lts sedimentary history was developped in three stages and was outlined by the interaction and the equilibrium among severa! factors: sedimentation rate, diferential subsidence, carbonate production, siliciclastic supply, climate... During the three stages the paleogeography was dominated by differents environments. During the first one a distal alluvial plain was installed in the area. A lacustrine environment was developped during the second stage. The third stage is represented by the installation of a distal alluvial plain dominated by marginal lacustrine areas.