2024-03-28T11:43:44Zhttps://www.tdx.cat/oai/requestoai:www.tdx.cat:10803/841622019-03-13T11:54:52Zcom_10803_1col_10803_70
nam a 5i 4500
Tectònica salina
Tectónica salina
Salt tectonics
Geodinàmica
Geodinámica
Geodynamics
Geologia estructural
Geología estructural
Structural geology
Magnetotel·lúrica
Magnetotelúrica
Paleomagnetisme
Paleomagnetismo
Paleomagnetism
Serralada Bètica
Cordillera Bética
Basement fault influence on the Bicorb-Quesa Salt Wall kinematics, insights from Magnetotelluric and Paleomagnetic techniques on Salt Tectonics
[Barcelona] :
Universitat de Barcelona,
2012
Accés lliure
http://hdl.handle.net/10803/84162
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Rubinat Cabanas, Marc,
autor
1 recurs en línia (189 pàgines)
El text del Capítol 3 ha estat retirat seguint instruccions de l’autor de la tesi, en existir participació d’empreses, existir conveni de confidencialitat o existeix la possibilitat de generar patents / The text of Chapter 3 has been withdrawn on the instructions of the author, as there is participation of undertakings, confidentiality agreement or the ability to generate patent
Tesi
Doctorat
Universitat de Barcelona. Departament de Geodinàmica i Geofísica
2012
Universitat de Barcelona. Departament de Geodinàmica i Geofísica
Tesis i dissertacions electròniques
Roca i Abella, Eduard,
supervisor acadèmic
TDX
The Bicorb-Quesa salt wall is located on the external Prebetics, an excellent natural laboratory to observe the diapir evolution because of their excellent outcrops. This area, located on the limit between the Iberian Massif, the Betic Range and the Valencian Trough; preserves the deformation caused by four deformation stages: two extensional and two extensive phases.
The complexity and changing geometry of the salt wall lead us to use different techniques, some of them rarely used on salt tectonics studies, in order to provide significant information on the knowledge of the salt wall kinematics. The Magnetotelluric data shows the wide range of electrical resistivity materials values. This technique allowed us to recognize a basement fault with a vertical throw of 1000 m. which was active during the Triassic to Lower Cretaceous and likewise elucidate about the salt wall shape and the salt location. The Paleomagnetic data provide valuable information about the rotation suffered on the area both the syn-diapiric basins and the diapir, revealing rotation on different areas. This information together with the internal diapir structure and the overburden structure makes possible to interpret the initiation and reactivation of salt wall as driven by thin-skinned contractional deformation of the overburden. These processes were preferentially developed on the top of a pre-existing basement fault. A comprehensive analysis brings into relief the role played by the propagation direction sense of the cover deformation and the dip sense of the basement fault.
This thesis contributes on the scientific knowledge of the salt tectonics, in its kinematics and evolution in different tectonic settings. The salt tectonics is also a geological branch very attractive for the oil industry as it generates one of the most important trap sources.
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