International Federation of Digital Seismograph Networks

XY (2017-2017): The Central Iberian Mountain Range a Key Asset to the Deformation Mechanisms of Iberia

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FDSN Network Information

FDSN code XY (2017-2017) Operated by Institut de Ciencies de la Terra "Jaume Almera" (CSIC ICTJA Spain)
Network name The Central Iberian Mountain Range a Key Asset to the Deformation Mechanisms of Iberia (CIMDEF) Deployment region Spain
Start date April 18, 2017 End date July 19, 2017
Short description

This project aims do an integrated multidisciplinary, lithsopheric model across the Central System of Iberia, from the Tajo Basin, across the mountain chain till the Duero Basin. One of the most relevant topographic features of the Iberian Peninsula is the relatively high elevation of its interior and, in particular of the Central System. The Central meseta (plateau) is characterized by an average altitude of 600-700 m and, is actively increasing its elevation, being one of the highest of all the European continent. By obtaining the proposed geologic and geophysical model we aim to provide unique new constraints and contribute to the understanding of the topography and the causes of its changes. Changes in topography reflect a combination of the deep and surface processes and ints interaction with the crust. It is recognize that critical players in the resulting response are the crustal thickness, nature (lithologies) physical properties of the crust and upper mantle and its internal architecture. The proposal includes: a multidisciplinary study of the surface, including surface geology, geophysics (potential field and seismics). A fundamental player is the acquisition of an approximately 300 km long wide-angle seismic reflection transect. This transect will be an extension of the previously acquired ALCUDIA and IBERSEIS transects. As a result if the proposal is successful an almost 900 km long ( from the Gulf of Cadiz to the Duero basin) highly resolved geophysical model across the Iberia peninsula will be obtained. The most significant targets of this proposal include: Geological strip map with balance cross-section, the crustal thickness and its lateral variations, P- and S-wave seismic velocity models for the central system, the distribution of Poisson's ratio and seismic anisotropy. One of the implications of these is that the proposal aims to place constraints on the deformation patterns of the crust that resulted in this relatively high intra-plate orogen.

Citation Information

Digital Object Identifier (DOI) https://doi.org/10.7914/SN/XY_2017
Citation
Ramon Carbonell (2017): The Central Iberian Mountain Range a Key Asset to the Deformation Mechanisms of Iberia. International Federation of Digital Seismograph Networks. Other/Seismic Network. 10.7914/SN/XY_2017

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