M.J. Borque
University of Jaén
Network
Latest external collaboration on country level. Dive into details by clicking on the dots.
Publication
Featured researches published by M.J. Borque.
Journal of Geodynamics | 2003
Jesús Galindo-Zaldívar; A. J. Gil; M.J. Borque; F. González-Lodeiro; A. Jabaloy; Carlos Marín-Lechado; Patricia Ruano; C. Sanz de Galdeano
The internal zones of the Betic Cordilleras show a present-day relief that is mainly controlled by kilo- metre-size, symmetrical or north-vergent folds which developed mostly since Middle Miocene times. The Sierra Nevada, Sierra Alhamilla, Sierra de Los Filabres, Sierra Tejeda and Sierra de Gador, among others, are roughly E-W trending high mountain ranges, corresponding to antiforms where metamorphic rocks crop out. The surrounding depressions are located in synforms, where Neogene rocks are preserved from erosion. Field evidence shows that the growth of the folds is coeval with fault development, and that at least three of them, i.e. the Padul Fault, the Zafarraya Fault, and the Balanegra Fault, may be considered to be active seismogenetic structures. The Zafarraya Fault, in particular, is thought to be responsible for the 1884 Andalucia Earthquake. The fault is located at the northern limb of the Sierra Tejeda antiform, and could be interpreted as a collapse structure developed along the external arch of the uplifted fold. The Padul and Balanegra faults are located at the southeastern border of the Granada Basin and south of the Sierra de Gador, respectively. They belong to a set of NW-SE oriented faults that are mainly normal in character and indicate NE-SW extension. The set up, since 1999, of a GPS network within and around the Granada Basin and the planed installation of a new network in the Sierra Tejeda, will give us new insights on the present-day deformation behaviour of both folds and faults in the area.
Sensors | 2010
Carlos Marín-Lechado; Jesús Galindo-Zaldívar; A. J. Gil; M.J. Borque; M. C. Lacy; Antonio Pedrera; Angel Carlos Lopez-Garrido; P. Alfaro; Francisco Juan García-Tortosa; Maria Isabel Ramos; Gracia Rodríguez‐Caderot; José Rodríguez-Fernández; Ana Ruiz-Constán; Carlos Sanz de Galdeano-Equiza
The Campo de Dalias is an area with relevant seismicity associated to the active tectonic deformations of the southern boundary of the Betic Cordillera. A non-permanent GPS network was installed to monitor, for the first time, the fault- and fold-related activity. In addition, two high precision levelling profiles were measured twice over a one-year period across the Balanegra Fault, one of the most active faults recognized in the area. The absence of significant movement of the main fault surface suggests seismogenic behaviour. The possible recurrence interval may be between 100 and 300 y. The repetitive GPS and high precision levelling monitoring of the fault surface during a long time period may help us to determine future fault behaviour with regard to the existence (or not) of a creep component, the accumulation of elastic deformation before faulting, and implications of the fold-fault relationship.
Studia Geophysica Et Geodaetica | 2001
M. C. de Lacy; G. Rodríguez-Caderot; E. Marín; Antonio M. Ruiz; M.J. Borque; A. J. Gil; L. Biagi
Two new GPS surveys have been carried out to check the accuracy of an existing gravimetric geoid in a test area located in northern Andalusia (Spain). The fast collocation method and the remove-restore procedure have been used for the computation of the quasigeoid model. The Spanish height system is based on orthometric heights, so the gravimetrically determined quasigeoid has been transformed to a geoid model and then compared to geoid undulations provided by GPS and levelling at benchmarks belonging to the Spanish first-order levelling network. The discrepancies between the gravimetric solution and GPS/levelling undulations amount to ±2 cm for one survey and ±5 cm for another after fitting a plane to the geoid model.
Archive | 2017
M. Reguzzoni; Giovanna Venuti; M. C. de Lacy; Daniela Carrion; Riccardo Barzaghi; M.J. Borque; A. J. Gil; P. A. Vaquero
From 2001 to 2008, the National Geographic Institute of Spain (IGN) carried out the REDNAP project to the establishment of a National High Precision Levelling Network in the whole Spanish territory. Within REDNAP, spirit levelling and gravity observations were complemented by GNSS data. The levelling network of the continental area and those of the main islands were referred to different tide gauges thus producing different height systems. In the paper, the GOCO-05S model from the GRACE and GOCE gravity missions is used to unify such systems. More precisely, it is used to estimate the normal heights of the mean sea level at the reference tide gauges, i.e. the height system biases. In the proposed solution such biases are determined through the least squares adjustment of the differences between height anomalies derived from GNSS/levelling and height anomalies derived from a proper combination of global gravity models. An accurate modelling of the observation error covariances is taken into account as well. The estimated accuracies of the resulting biases are in the order of few centimetres apart from that of continental Spain which is an order of magnitude better.
International Journal of Earth Sciences | 2008
P. Alfaro; J. Delgado; C. Sanz de Galdeano; Jesús Galindo-Zaldívar; Francisco J. García-Tortosa; A. C. López-Garrido; C. López-Casado; Carlos Marín-Lechado; A. J. Gil; M.J. Borque
Journal of Iberian Geology | 2012
P. Alfaro; Rafael Bartolomé; M.J. Borque; A. Estévez; Julián García-Mayordomo; Francisco J. García-Tortosa; A. J. Gil; Eulàlia Gràcia; C. Lo Iacono; Héctor Perea
Studia Geophysica Et Geodaetica | 2009
Jordi Giménez; M.J. Borque; A. J. Gil; P. Alfaro; Antonio Estévez; Emma Suriñach
Tectonophysics | 2015
Lourdes González-Castillo; Jesús Galindo-Zaldívar; M. C. de Lacy; M.J. Borque; F.J. Martínez-Moreno; J.A. García-Armenteros; A. J. Gil
Journal of Geodynamics | 2014
Alberto Sánchez-Alzola; Carlos Sánchez; Jordi Giménez; P. Alfaro; Bernadí Gelabert; M.J. Borque; A. J. Gil
Journal of Geodynamics | 2013
Jesús Galindo-Zaldívar; M.J. Borque; Antonio Pedrera; Carlos Marín-Lechado; A. J. Gil; A. C. López-Garrido