New evidence of recent fracturing at the relay zone between the Concud and Teruel faults (eastern Iberian Chain)
Nuevas evidencias de fracturación reciente en la zona de relevo entre las fallas de Concud y Teruel (Cordillera Ibérica oriental)
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Publication Date
2017 -
Publisher
Sociedad Geológica de España -
Abstract
The NW-SE to NNW-SSE striking Concud Fault and the N-S striking Teruel Fault are extensional structures showing a right relay arrangement. The hectometre-scale offset produced by both structures in the Neogene materia ls o f the Teruel b a sin is transferred to each other by means of a relay ramp dipping towards NNW. In this study we present new information on recent (Late Pleistocene) brittle deformation structures, some of them located within the relay zone and others aligned with the northwards prolongation of the Teruel Fault. The observed faults and fractures are mostly paralle to the major faults (N NW-SSE), while signs of transverse structures (pointing to hard linkage) are negligible. The Concud and Teruel faults are in dependent structures from the geometrical and kinematical point of view, but we interpret that there is a mechanical interaction between them, a previous stage to linkage by hypothetical future northwards propagation of the Teruel fault
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