Integration of surface and subsurface data, paleomagnetism and analogue modelling to reconstruct the extensional geometry of the Cameros basin: (N Spain)

• R. Soto ^[1] ; A.M. Casas ^[2] ; J.J. Villalaín ^[3] ; A. Gil ^[2] ; P. del Río ^[4] ; G. Fernández ^[3]
  1. [1] Instituto de Ciencias de la Tierra Jaume Almera

     Instituto de Ciencias de la Tierra Jaume Almera

     Barcelona, España

     
  2. [2] Universidad de Zaragoza

     Universidad de Zaragoza

     Zaragoza, España

     
  3. [3] Universidad de Burgos

     Universidad de Burgos

     Burgos, España

     
  4. [4] Universidad de Cádiz

     Universidad de Cádiz

     Cádiz, España

     

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• Localización: Trabajos de geología, ISSN 0474-9588, Nº 30, 2010, págs. 235-240
• Idioma: inglés
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• Resumen

  • The integration of surface, subsurface and paleomagnetic data allows the 3D reconstructionof the geometry of the northern border of the Cameros basin for its extensional, pre-inverted stage. Inthe model proposed, the Cameros basin represents a lens-shaped, large-scale growth syncline over amajor basement fault with maximum thickness of deposits of about 8000 m in its depocenter, graduallydiminishing toward the north and south. A series of analogue models validate this geometry, pointingto the role of interlayered detachment levels on the development of syncline-basin geometries.