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- W2773424241 abstract "espanolLas sierras de Pandols, de Cavalls y del Montsant consisten en una banda de deformacion situada entre dos bloques poco deformados correspondientes a las cuencas del Ebro y de Mora. Su estructura es un anticlinorio, constituido en detalle por un sistema de pliegues oblicuos menores «en echelon». Estos fueron originados en una banda de transpresion con una componente direccional sinistra, relacionada con un accidente de zocalo. El anticlinorio esta desarrollado principalmente en materiales mesozoicos, mientras que en las areas adyacentes afloran materiales terciarios. Los niveles inferiores del Terciario (Paleogeno inferior) son similares a ambos lados del anticlinorio y predatan su formacion. Registran la sedimentacion en el interior de la primitiva Cuenca del Ebro, lejos de su borde activo. Como consecuencia del desarrollo del anticlinorio en el interior de la Cuenca del Ebro, se formo un relieve-barrera lineal que aislo de esta una pequena cuenca marginal (Cuenca de Mora). Este proceso esta registrado en los niveles superiores del Terciario (Paleogeno superior), que son de caracter terrigeno de grano grueso. La Cuenca de Mora es, por tanto, una cuenca paleogena formada durante la compresion alpina en el ambito de la Cadena Costera Catalana y el margen sudorienta! de la Cuenca del Ebro EnglishThe present paper documents a new case on strike-slip deformation and the associated basin formation and contemporaneous sedimentation. The area of study is located in the southeastern margin of the Ebro Basin, adjacent to the Catalan Coastal Range (northeastern Iberian Peninsula). The «sierras» de Pandols, de Cavalls y del Montsant area consist of a band of intense deformation situated between two little deformed blocks corresponding to the Ebro and Mora basins. Its structure is a complex anticlinorium, in which minor oblique «en echelom> folds occur. These folds were originated in a transpression zone, with a sinistral shear component, related to a basement fault zone. The anticlinorium is developed chiefly in Mesozoic materials, whereas Tertiary rocks outcrop on the adjoining low-relief areas. The lower Tertiary beds (lower Paleo gene) are similar in both sides of the anticlinorium and predate its formation. They were deposited in the primitive Ebro Basin, far from the active border at that time. The progressive development of the anticlinorium by transpression in the interior of the basin resulted in a linear orographic relief which acted as a barrier and isolated a small marginal sedimentary basin (Mora Basin). This process is recorded by coarse clastics of upper Paleogene age. Therefore, the Mora Basin was formed during the Paleogene alpine compression in the domain of the Catalan Coastal Range and the southeastern margin of the Ebro Basin and it is thus unrelated to the Neogene rifting that took place in other areas of the northeastern Iberian Peninsula." @default.
- W2773424241 created "2017-12-22" @default.
- W2773424241 creator A5033765817 @default.
- W2773424241 date "1988-01-01" @default.
- W2773424241 modified "2023-09-24" @default.
- W2773424241 title "Desarrollo de un anticlinorio por transpresión, aislando una cuenca sedimentaria marginal (Borde oriental de la Cuenca del Ebro, Tarragona)" @default.
- W2773424241 hasPublicationYear "1988" @default.
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