Late cenozoic identation/escape tectonics in the eastern Betic Cordilleras and its consequences on the Iberian foreland
DOI:
https://doi.org/10.3989/egeol.91473-4419Keywords:
Eastern Betics, Iberian foreland, indentation tectonics, shear zoneAbstract
The structuration of the southeastern quarter of the Iberian Peninsula (eastern Betics and Iberian foreland), since Messinian time, was the result of a series of complex deformational events, as related to a major NNE-SSW sinistral shear zone disrupting the southeasternmost part of the Betic cordilleras (Trans-Alborán-Palomares shear zone; TAPSZ). Deformation along this shear zone was characterized by two differentiated and sequential scenarios: 1) periods of stress-build-up associated to momentary slip-obstruction along the TAPSZ, involving NW-directed indentation of the southeastern Iberian domain, and 2) periods of stress-release resulting from the lateral escape of wedge-shaped blocks, thus allowing full-scale strike-slip displacements along the TAPSZ. These events imposed compressional stress fields on the Iberian foreland, with a series of consequences such as alkaline volcanism in Calatrava and Cofrentes, protorift zones, changes in previous structural trends, localized uplift/doming processes, and changes in the sedimentary records of sorne basins.
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Published
1991-08-30
How to Cite
Doblas, M., López Ruiz, J., Hoyos, M., Martín, C., & Cebriá, J. M. (1991). Late cenozoic identation/escape tectonics in the eastern Betic Cordilleras and its consequences on the Iberian foreland. Estudios Geológicos, 47(3-4), 193–205. https://doi.org/10.3989/egeol.91473-4419
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