RT Journal Article
T1 Profundidad de la transición dúctil-frágil en la corteza de Béticas-Rif y Mar de Alborán
T1 Depth of the brittle-ductile transition in the Betic-Rif belt and Alboran Sea crust
A1 Fernández Ibáñez, F.
A1 Soto, Juan I.
A1 Morales, J.
AB A three dimensional rheological model has been developed in the Betic-Rif and Alboran Sea region tocharacterize the brittle-ductile transition (BDT) in the upper crust; calculating a multiple set of regularlyspacedstrength profiles based on a synthetic 3D lithospheric structure that gathers most of the availablegeological and geophysical data in the region. This is the first numerical modelling calculated in the region,for either compressional or tensional tectonic regimes, to characterize the rheological layering of the crustin the Betic-Rifean belt. The model results in a BDT topology highly constrained by the lithospheric thickness.The upper-crust brittle domain gets thinnest in the East Alboran Basin and the transition to the SouthBalearic Basin (7 and 6 km for tensional and compressional tectonic regimes), and becomes thickerwestwards, getting the major values in the West Alboran Basin, near the Gibraltar Arc (18-16 km). In theonshore Betics, the BDT deeps towards the NW, with a general trend that results to be oblique to the shoreline and to the main orientation of the mountain ranges, with a maximum value in the SouthiberianDomain (~15-12 km) continued by a gently thinning of the brittle domain towards the Iberian foreland
PB Sociedad Geológica de España
YR 2004
FD 2004
LK http://hdl.handle.net/10272/8892
UL http://hdl.handle.net/10272/8892
LA spa
DS Repositorio Institucional de la Universidad de Huelva
RD 1 jun 2026