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Browsing by Author "Doblas, M."
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Contrasted evolution of the western and eastern Mediterranean since Neogene Time
Doblas, M.; Oyarzun, Roberto; Vegas, Ramón (Sociedad Geológica de España, 1991)La evolución del Mediterráneo después del climax del orógeno Alpino, se sue/e explicar por medio de zonas de subducción resultado de la convergencia entre Africa y Eurasia. Sin embargo, los sectores occidental y oriental ... -
Criterios del sentido del movimiento e historia deformativa en fallas a partir de la Petrografía de espejos de fricción: Aplicación a fallas alpinas del Sistema Central
Doblas, M. (Sociedad Geológica de España, 1991)The analysis of thin-sections using slickenside petrography (Lee & Means, 1990) a/lows the deduction ofa series of shear-sense indicators in brittle faults, such as: SC-type structures, asymmetric microfolds, stylolitized ... -
Efecto de arrastre aparente en zonas de cizalla: resultados de un modelo experimental
Doblas, M. (Sociedad Geológica de España, 1990)An experiment has been carried out at the ETH (Swiss Institute of Technology at Zürich, Switzerland) with a wax mode/, using the automatized machine under plane strain/pure shear conditions, developed by Mancktelow (7988). ... -
Estudio cinemático de las fallas alpinas que delimitan la fosa tectónica del Lozoya (Sistema Central)
Goicoechea, P.; Doblas, M.; Hernández Enrile, J. L.; Ubanell, A. G. (Sociedad Geológica de España, 1990)In this work we study the alpine fracturation affecting both the Hercynian basement and the Mesozoic/Cenozoic cover, in the Lozoya tectonic trough (Spanish Central System). From the study of the fau/t rocks and their ... -
Observaciones sobre algunos Diques de Pórfido NS del sector de Alpedrete (Sistema Central)
Doblas, M.; Goicoechea, P. (Sociedad Geológica de España, 1990)Some NS-oriented porphyry dikes are studied in the area of Alpedrete in the Spanish Centra/ System. These dikes display severa/ structures indicative of the following: direction and sense of the magmatic flow (sheared ... -
Paleoseismicity in the Spanish Central Range: evidence from the Pseudotachylites
Doblas, M. (Sociedad Geológica de España, 1987)The granitoids of the SW Spanish Central Range show different episodes of formation of pseudotachylites, ranging from post-hercynian to alpine times, and which indicate paleoseismic activity in the area