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Pérez López, Raúl ; Rodriguez Pascua, M.A. ; Bejar Pizarro, Marta ; Martínez Díaz, José J. ; Giner Robles, J.L. ; Silva Barroso, Pablo Gabriel ; Villamor Pérez, María Pilar ; González Casado, José Manuel | Sociedad Geológica de España. | 2008Este trabajo analiza la formación de un escarpe de falla asociado a la erupción freatomagmática que ocurrió en 1970 en la Isla Decepción (Antártida Occidental). El hecho de tener información de fotografías aéreas previas a su desarrollo (1968) y[...]texto impreso
An analysis of Neogene brittle deformation using fault population analysis methods has been carried out between the SW border of the Iberian Range and Altomira Range. Two main paleostress fields have been established: 1) N70E - N120E compression[...]texto impreso
Gómez Ortiz, David ; Tejero López, Rosa ; Ruiz Pérez, Javier ; Babín Vich, Rosa Blanca ; González Casado, José Manuel | Sociedad Geológica de España. | 2004Effective elastic thickness of the Iberian Peninsula lithosphere was estimated from a coherence analysis of topography and gravity spectra. A multitaper technique was used to estimate spectra. Coherence estimates provide an average Te value o f [...]texto impreso
Muñoz Martín, Alfonso ; Giner Robles, Jorge ; González Casado, José Manuel ; López Martínez, Jerónimo ; Durán Valsero, Juan José ; Gumiel, Pablo ; Serrano, Enrique | Sociedad Geológica de España | 2000The geophysical study of superficial deposits (mainly gravels) in ice-free areas near the seashore in the South Shetland Islands (Antarctica) allows establishing the possible existence of permafrost and buried ice bodies. In this work we have in[...]texto impreso
Vicente Muñoz, Gerardo de ; Vegas, Ramón ; Muñoz Martín, Alfonso ; Silva Barroso, Pablo Gabriel ; Andriessen, Paul ; Cloetingh, Sierd ; González Casado, José Manuel ; Van Wees, Jan Diederik ; Álvarez García, Juan ; Carbó Gorosabel, Andrés ; Olaiz Campos, Antonio José | Elsevier | 2007The Spanish Central System is a Cenozoic pop-up with an E-W to NE-SW orientation that affects all the crust (thick-skinned tectonics). It shows antiform geometry in the upper crust with thickening in the lower crust. Together with the Iberian Ch[...]texto impreso
Caballero Donoso, José María ; Casquet, César ; Galindo Francisco, Mª del Carmen ; González Casado, José Manuel ; Snelling, N. ; Tornos Arroyo, Fernando | Sociedad Geológica de España | 1992Preliminary results are presented on the age of the hydrothermal activity recorded in the Sierra del Guadarrama. They are among the first data generated by the K-Ar Spectrometry Lab. of the CSIS-UCM at Madrid. Hydrothermalites include different [...]texto impreso
Casquet, César ; Pankhurst, R.J. ; Galindo Francisco, Mª del Carmen ; Rapela, Carlos W. ; Fanning, C.M. ; Baldo, Edgardo G. ; Dahlquist, Juan A. ; González Casado, José Manuel ; Colombo, F. | Elsevier Science B.V., Amsterdam | 2008A deformed ca. 570Ma syenite–carbonatite body is reported from a Grenville-age (1.0–1.2 Ga) terrane in the Sierra de Maz, one of theWestern Sierras Pampeanas of Argentina. This is the first recognition of such a rock assemblage in the basement o[...]texto impreso
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Pérez López, Raúl ; Giner Robles, Jorge L. ; Bejar Pizarro, Marta ; Rodríguez Pascua, Miguel Angel ; Martínez Díaz, José J. ; Paredes, C. ; González Casado, José Manuel | Sociedad Geológica de España. | 2008En este trabajo se obtiene el campo de esfuerzo y deformación activo en la isla volcánica de Decepción, en la Antártida Occidental. Para ello, se han aplicado tres técnicas estructurales diferentes: (1) medida de planos de falla con vector de de[...]texto impreso
González Casado, José Manuel ; García Cuevas, C. ; Gumiel, Pablo ; Giner Robles, Jorge L. ; Moreno, A. | Sociedad Geológica de España. | 2004Calcite e-twin density (twins/mm) and percentage of calcite grains with one and two twin sets from sparry grains that fill microveins were used to precise the differential stress related with the inversion of the Cameros Basin, a Mesozoic sedime[...]texto impreso
Vicente Muñoz, Gerardo de ; Giner, Jorge ; Muñoz Martín, Alfonso ; González Casado, José Manuel ; Lindo, Rubén | 1996-06-20A brittle deformation tectonic analysis was performed in central Spain (Spanish Central System and Madrid Basin) in order to decipher and understand the deformation processes that take place in a typical intracontinental zone. 1174 fault slicken[...]texto impreso
Olaiz Campos, Antonio José ; Vicente Muñoz, Gerardo de ; Vegas, Ramón ; González Casado, José Manuel ; Muñoz Martín, Alfonso ; Álvarez, J. | Sociedad Geológica de España. | 2004We describe and study structural evidences concerning to Alpine tectonics at NE sector o f the Spanish Central System (SCS). In Valdesotos area, the Hercynian basement is uplifted over Mesozoic sediments, throughout a main SW verging thrust. Fau[...]texto impreso
Casquet, César ; Galindo Francisco, Mª del Carmen ; González Casado, José Manuel ; Alonso Millán, Ángela | Sociedad Geológica de España | 1992A case of hydrothermal metamorphism is described from the Cameros Basin along the rio Cidacos transect. The highest grade is reached at the base of the Urbión Group, a fluvial sequence Upper Jurassic to Lower Cretaceous in age (Weald facies). Ph[...]texto impreso
Caballero, José María ; González Casado, José Manuel ; Casquet, César ; Galindo Francisco, Mª del Carmen ; Tornos Arroyo, Fernando | Universidad Complutense de Madrid. Departamento de Estratigrafía | 1996Las episienitas de la Sierra de Guadarrama (Sistema Central español), las cuales son resultado de la alteración hidrotermal (decuarcificación y alcalinización) de granitoides, constituyen un conjunto litológico desarrollado en el Pérmico Inferio[...]texto impreso
Gómez Ortiz, David ; Tejero López, Rosa ; Ruiz Pérez, Javier ; Babín Vich, Rosa Blanca ; González Casado, José Manuel | Blackwell Publishing Ltd | 2005Effective elastic thickness of the lithosphere of the Iberian peninsula was estimated from a coherence analysis of topography and gravity spectra, for which a multitaper technique was used. Coherence estimates provide an average Te value of 17 ±[...]
