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Browsing Geogaceta -- Nº 42, (2007) by Title
Now showing items 1-20 of 35
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Acortamiento paralelo a las capas y dirección de transporte tectónico deducido a partir del análisis de la fábrica magnética (ASM) de rocas post-hercínicas del Pirineo Central, valle del río Aragón-Subordán, Pirineo Oscense
(2007)A N-S section has been studied in post-hercynian rocks of a Central Pyrenees sector in order to search for a relationship between magnetic fabric (ASM) and the regional deformation pattern. The section, which is normal ... -
Actividad aluvial durante la Pequeña Edad del Hielo en Bardenas Reales de Navarra
(2007)The geomorphology, sedimentology and pedology of the most recent alluvial unit (360±101 to 216±89 14C cal BP) were studied in the Bardenas Reales Natural Park (Navarra province). This unit is either infilling former ... -
Análisis de la geometría en profundidad de fracturas conductoras en zonas de baja permeabilidad mediante tomografía eléctrica (El Berrocal, Sistema Central Español)
(2007)The groundwater flow in zones of low permeability, as granites, is mainly associated with zones of fracture. For this reason the characterization of the fractures is fundamental, both in surface as in depth, and must integrate ... -
Aplicación del modelo hidrológico SWAT a la cuenca del río Meca (Huelva, España)
Galván González, Laura
; Olías Álvarez, Manuel; Fernández de Villarán San Juan, Rubén; Domingo Santos, Juan Manuel (2007)
Acid mine drainage (AMD) is the main pollutant source in the Odiel river basin (SW Spain). Stream-flow data constitute a tool to assess the pollutant load transported by the drainage network, as well as to evaluate the ... -
Características físico-químicas de las aguas superficiales afectadas por drenaje ácido de minas en el sector meridional de la cuenca del Guadiana (Suroeste de la Península Ibérica)
The southern sector of the Guadiana basin drains the central-western part of the Iberian Pyrite Belt (FPI), an area with many polymetallic sulphide deposits and residues of the mining activity, generating an acidic leach ... -
Caracterización geoambiental de balsas de lodos mineros mediante tomografía eléctrica
(2007)The mining of copper from sulphide ores, besides the metal production, generates large amounts of mine tailings that are deposited, e.g. in impoundments. Furthermore, due to natural leaching from these impoundments, ... -
Caracterización geoquímica de los sedimentos superficiales del Estuario del río Guadiana (SW de la Península Ibérica)
This work has been developed with the aim of determining the environmental quality of the sediments in the Guadiana river estuary, and evaluating the possible incidence that some processes associated to human activities ... -
Deformación cenozoica de la litosfera Ibérica: Sistema Central y cuencas del Duero y Tajo
(2007)The Cenozoic deformation of the Iberian lithosphere along a NW-SE profile from the northern Duero Basin to the southern Tajo Basin, crossing Spanish Central System, has been analysed by means of a numerical simulation ... -
Descripción Macroscópica de la Fulgurita de Torre de Moncorvo (Portugal)
(2007)The rocks designated as fulgurites are the result of the action of atmospheric electrical discharges on soils or rocks. This work describes from the macroscopic point of view the Torre de Moncorvo fulgurite, as a first ... -
El cabalgamiento cenozoico de Boinás (Cordillera Cantábrica, España)
(2007)The opencast gold mine of Boinás, has allowed to outcrops the contact between the variscan basement and the Cenozoic sediments. It is observable that the contact is a post - Lower Oligocene thrust, with a N40ºE trend. ... -
El Neógeno superior marino en Vejer de la Frontera (Cádiz, SO España) y su evolución regresiva
(2007)The upper Neogene deposits which outcrop in the area of Vejer de la Frontera (Cádiz, SW Spain) have been studied. The sedimentological, paleontological, and taphonomic changes, suggest a progressive phenomenon of upward ... -
Espesor de los sedimentos neógenos y cuaternarios en el Corredor del Almanzora a partir de datos gravimétricos (Cordillera Bética oriental)
(2007)New gravity data contribute to determine the geometry of the sedimentary infill in the Almanzora Corridor. Residual gravity anomalies was considered along 2D models to establish the deep structure of the basin, taking ... -
Estudio comparativo de diferentes métodos de interpolación para la realización de mapas de precipitación en la isla de La Gomera (Islas Canarias): Evaluación de la incorporación de la altura
(2007)Groundwater is the main water resource in La Gomera (Canary Islands) where it represents almost 70% of the consumption. Since the elaboration of the preliminary works of the Insular Hydrological Plan in 1996 there has ... -
Estudio de los micromamíferos del Pleistoceno superior de Ventalaperra (Karrantza, Bizkaia)
(2007)In this paper the micromammal assemblage found in the site of Ventalaperra (Karrantza, Bizkaia) is described. The studied remains come from two different stratigraphic levels with archaeological remains. The lower level ... -
Estudio diagenético en conchas de braquiópodos de la cuenca del Guadiato (Mississippiense, SO del Macizo Ibérico)
(2007)Detailed petrographic and geochemical analyses of brachiopod shells from the Guadiato Carboniferous basin (Córdoba, SW Iberian Massif) has been carried out in order to evaluate their textural and geochemical preservation degree ... -
Experiencia sobre la adaptación de la asignatura «Paleontología general y de invertebrados» al Espacio Europeo de Educación Superior
(2007)Most of the text, including the Bolonia’s document, that define the European Higher Education Area, refers to the organization of the University curriculum following the rule called ECTS. The ECTS is a student centred ... -
Genesis of granitoids by interaction between mantle peridotites and hydrothermal fluids in oceanic spreading setting in the Oman Ophiolite
(2007)Los granitos potásicos que afloran en las ofiolítas supra-subducción son atribuidos a la fusión de metasedimentos durante el inicio de la obducción o durante procesos petrogenéticos relacionados con la subducción. En ... -
Geoarchaeology of the Holocene slope processes in the cave of Torca l’Arroyu (Llanera, Asturias, Spain)
(2007)Torca l’Arroyu fue descubierta durante la construcción de la nueva red de saneamiento de Llanera (Asturias, España). Es una pequeña cueva desarrollada en las calizas y margas del Cretácico superior rellena por sedimentos ... -
Hecates Tholus, Marte: Inestabilidad del Edificio Volcánico
(2007)Hecates Tholus is a volcano located at the Elysium volcanic province in the Martian lowlands (32ºN, 210ºW). In addition to several nested calderas, the volcano shows several geological and geomorphological features that ... -
Huellas de dinosaurios conservadas en materiales del cortejo transgresivo en cauces encajados. Jurásico superior y Cretácico inferior de Alpuente, Valencia
(2007)The upper Jurassic and lower Cretaceous deposits of the Southwestern Iberian Basin at Alpuente (Valencia) contain abundant remains of dinosaurs, including several localities with footprints. In this area deltaic ...
