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Browsing by Author "Crespo Blanc, Ana"
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Alfabetización en Ciencias de la Tierra
(Asociación Española para la Enseñanza de las Ciencias de la Tierra (AEPECT), 2013)Este trabajo describe qué se entiende por una persona alfabetizada en ciencias de la Tierra y selecciona los conocimientos básicos que debería poseer todo estudiante al finalizar la educación obligatoria, de forma que ... -
Analogue modelling of non-cylindric fold-and-thrust belt around diapirs: preliminary results
(2008)Los modelos analógicos representan una herramienta muy útil para investigar el desarrollo progresivo de cinturones de pliegues y cabalgamientos. En este artículo, se presentan resultados preliminares de una serie de ... -
Brittle-ductile analogue models of fold-and-thrust belts developed during progressive arching: the effect of viscous basal layer pinch-outs
(Sociedad Geológica de España, 2018)Two brittle-ductile analogue models of fold-and-thrust belts developed during progressive arching that include silicone pinch-outs either perpendicular or parallel to the backstop apex motion direction (AMD) have been ... -
Decoupling in mechanically heterogeneous multilayered sandbox
(Sociedad Geológica de España, 2003)Analogue modelling has successfully simulated the progressive development of duplex formation in sand pack with intercalation of glass microbeads, whose coefficient of internal friction is significantly lower then that of ... -
Diferenciación morfológica submarina en el área del Umbral del Estrecho de Gibraltar: resultados preliminares
(2009)Offshore, the bathymetry of the Gibraltar Straits, situated in the westernmost Mediterranean, is characterized by an area of topographic highs which link the Spanish and Marrocan platforms, the socalled Gibraltar Threshold ... -
Estructuras arqueadas de gran escala en el cinturón de pliegues y cabalgamientos del Arco de Gibraltar: un ensayo de modelización analógica
(Universidad de Huelva, 2011)En la parte más occidental del sistema del Arco de Gibraltar (al oeste de 4º30’W), las zonas externas dibujan un arco. Cabría esperar que en su interior, el patrón estructural de los pliegues y cabalgamientos dibujase ... -
Evolución tectono-metamórfica de la unidad extensional de Adra (Complejo Alpujárride, Béticas centrales): Resultados preliminares
(Sociedad Geológica de España, 1996)In the central Betics, the Adra unit represents the higher unit of the Alpujarride complex. This unit is bounded by Miocene low-angle normal faults. The lithostratigraphic sequence of Adra unit includes, from bottom to ... -
Fault-bounded imbrícate stacks vs, chaotic structure in the westernmost Flysch Trough units (northern Gibraltar Are): a revised geological map
(2010)Las unidades del Complejo del Surco de los Flyschs, en la rama norte del Arco de Gibraltar, han recibido relativamente poca atención respecto a las demás unidades tectónicas de las Béticas, habiendo estado particularmente ... -
Folding development in the Penibetic Units around the western front of the Alboran Domain (Betics)
(Sociedad Geológica de España, 2001)Miocene shortening within the Penibetic Units (South Iberian Domain) near the western end of the Alboran Domain (Betics hinterland) developed in two phases with different morphologic and structural characteristics. F1 folds ... -
Geolodía para un público numeroso: claves para su organización
(Sociedad Geológica de España, 2016)Geoloday is an outreach initiative at national level, coordinated by the Geological Society of Spain. It consists in a fieldtrip guided by teams of geologists, with as much excursions as Spanish provinces. We analyze the ... -
Hydraulic brecciation on top of the Alboran Domain and its relationship with Lower Miocene deposits (Western Betics)
(Universidad de Huelva, 2010)Al oeste de las Cordilleras Béticas, se describen unos cuerpos de brechas dentro del Complejo Maláguide, muy similares a las brechas del Mioceno inferior del grupo Viñuela. La distribución, geometría interna y características ... -
Influence of diapirs on the development of non-cylindrical arcuate fold-and-thrust belts: Results from analogue models of progressive arcs
(Sociedad Geológica de España, 2017)In this paper, we present analogue models built to test the diapir role on the along-strike segmentation of fold-and-thrust belts in progressive arcs. To model the progressive arc, we used a protruding backstop that deformed ... -
Influence of indenter geometry on arcuate fold-and-thrust wedge: preliminary results of analogue modelling
(Sociedad Geológica de España, 2004)Analogue models, with sand and silicone, have simulated the progressive development of an arcuate foldand- thrust belt around indenters of different geometry, which moved along a straight translation path. In the most ... -
Interference pattern of Miocene extensional systems in the Alpujarride Complex (N of Sierra Nevada, Betic Cordillera)
(Sociedad Geológica de España, 1994)During the Miocene rift in gof the Alboran Domain, various extensional systems developed. North of Sierra Nevada, in the Sierra de Baza region, two low-angle normal fault systems with subperpendicular extension directions, ... -
La modelización analógica como recurso didáctico en la geología estructural
(Sociedad Geológica de España, 2002)Analogue modelling has successfully simulated the progressive deformation of many geological situations. As such, it represents a powerful tool as a didactic resource in structural geology. The development of the web permits ... -
Middle Miocene extensional faulting events and Alpujarride Units in the Central Betics
(Sociedad Geológica de España, 1993)In the Central Betics, the Alpujarride Complex is made up of units which result from the dismembering of pre-Miocene fold nappes during a Late Burdigalian (?)-Langhian extensional event -
Miocene deformation front propagation and strain partitioning within the fold-and-thrust belt of the Central Betics
(Sociedad Geológica de España, 2016)The External Zones of migrating orogenic arcs can be deformed as fold-and-thrust belts where the advance of the deformation front toward the foreland is contemporary to the arc-lengthening. The Sierra de Cabra, in the ... -
Structure and kinematics of the Aljibe Unit, north of Cádiz Province (Flysch Trough Complex, Betics)
(Sociedad Geológica de España, 1999)La unidad de Aljibe es la más extensa de las unidades del Dominio del Surco de los Flyschs en el Norte de la provincia de Cádiz. Esta unidad, formada por rocas de edad Paleógeno a Mioceno inferior, está-estructurada según ... -
Tectonic evolution of the Malaga Basin (Alboran Sea): insights from its sedimentary infill
(2013)La cuenca de Málaga es una subcuenca de la Cuenca del Mar de Alboran, que a su vez representa el retro arco del Sistema del Arco de Gibraltar. Se trata de una semifosa cuya secuencia sedimentaria del Mioceno hasta ... -
The effect of the rheological column on the structural style in progressive arcs: ductile and brittle-ductile analogue models
(Sociedad Geológica de España, 2018)Analogue models have been performed to simulate a progressive arc indenting in a parallelepiped composed only of silicone and of silicone and a layer of sand of progressively increasing thickness. The experiments permit to ...
