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Browsing Geogaceta -- Nº 39, (2005) by Title
Now showing items 1-20 of 40
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Alteración diagenética en conchas de rudistas caprotínidos del Complejo Urgoniano de la Punta del Castillo (Albiense inferior, Gorliz, Bizkaia)
(Sociedad Geológica de España, 2005)The shallow marine carbonate platform sediments of El Castillo Cape (lower Albian, Gorliz, Bizkaia) bear rudists from the families Monopleuridae and Caprotinidae. The geochemical, isotopic and luminescent behavior of ... -
Alteración diagenética en conchas de rudistas monopléuridos del Complejo Urgoniano de la Punta del Castillo (Albiense inferior, Gorliz, Bizkaia)
(Sociedad Geológica de España, 2005)The rudist assemblages of the Urgonian limestones of El Castillo Cape (lower Albian) consist largely on bouquets and thickets of caprotinids in whose interspaces grew bouquets of monopleurids, all deposited in a shallow ... -
De calizas hemipelágicas a calizas de plataforma somera: un ejemplo de facies de transición en el Jurásico Medio. Sección del Sur del San Cristóbal (Subbético, Jaén)
(Sociedad Geológica de España, 2005)An excellent stratigraphic section of the Middle Jurassic showing the record of the transition facies from hemipelagic (Baños Fm) to oolitic shallow platform limestones (Jabalcuz Fm) in the Intermediate Domain of the ... -
Características geotécnicas de los suelos en la ciudad de Huelva: parámetros de identificación y ensayos de consolidación
Bochs Montoro, A.; Camacho Cerro, Manuel Alejandro
; García Navarro, Encarnación; Alonso Chaves, Francisco Manuel (Sociedad Geológica de España, 2005)
This paper shows the preliminary results of a laboratory geotechnical test for the identification and determination of consolidation properties of the soils of Huelva. The fine-grained soils (Arcillas de Gibraleón, Arenas ... -
Características hidrogeológicas del sistema acuífero Prieta-Bonela-Alcaparaín (Unidad Hidrogeológica Yunquera-Nieves, provincia de Málaga, Andalucía)
(Sociedad Geológica de España, 2005)The analysis of the natural answers of the principal springs (Río Jorox, Fuente Quebrada and Carratraca) of the Prieta-Bonela-Alcaparaín aquifer system has allowed to determine the hydrogeological characteristics and the ... -
Caracterización Geomorfológica de la Ciudad de Valera (Estado Trujillo, Venezuela)
(Sociedad Geológica de España, 2005)Since 1990, several problems of instability have been known in the terrace of Valera caused in the border of the slope by the downward movement of itself. Example of this is what has happened with the structures in the ... -
Circulación de fluidos en fracturas en el miembro superior de la Fm. Armàncies (Eoceno, Pirineo oriental)
(Sociedad Geológica de España, 2005)The presence of oil shows associated with fractures provides a significant opportunity to unravel the type, origin and evolution of fluids involved in fractures cementation and their relationship to oil migration. Two stages ... -
Definición de zonas sismogenéticas en base al gradiente geotérmico, resistencia y profundidad del límite frágil-dúctil en la corteza superior. Aplicación metodológica para el cálculo de la peligrosidad sísmica en el Sureste de España
(Sociedad Geológica de España, 2005)In this work we present a methodological approach to define seismogenic zones for seismic hazard analysis based on the relationships which can be drawn from the geothermal gradient, total strength of the upper crust and ... -
Descripción de las facies presentes en el relleno holoceno del sector externo de la Bahía de Cádiz
López Arroyo, J.; Morales González, Juan Antonio; Gutiérrez Mas, José Manuel (Sociedad Geológica de España, 2005)
The Holocene sedimentary evolution in the continental margin of Cadiz Gulf is affected by different factors, which control the nature and distribution of the deposits. The physiography of coast and sea bottom linked to ... -
Determinación experimental del contenido en CO2 del suelo sobre una cavidad kárstica en clima mediterráneo (Cueva de Nerja, Málaga)
(Sociedad Geológica de España, 2005)The CO2 content and the temperature of the air have been measured within the scarce soil (although with relatively high organic matter concentration) which partially covers the carbonate outcrops over the Nerja Cave ... -
Distribución espacial y zonificación tectónica de los morfolineamientos en la Isla Decepción (Shetland del Sur, Antártida)
Paredes, C.; Pérez López, Rafael; Giner Robles, J. L.; García García, Alicia; Vega, Rogelio de la; Gumiel Garrido, P. (Sociedad Geológica de España, 2005)
Deception Island (South Shetland Islands, Antarctica) is one of the most active volcanoes in Antarctica, having recently erupted in 1967,1969 and 1970. It is also seismically very active, as 1992 seismic crisis was noted. ... -
Efectos tectónicos recientes en el Campo de Calatrava deducidos de los datos paleomagnéticos del volcanismo neógeno
(Sociedad Geológica de España, 2005)The Campo de Calatrava region shows some effects of the recent tectonics related to origin of the Betic orogen. Some of the effect recognizable at Campo de Calatrava was: vertical blocks movements leading to depressions ... -
Estimación del terremoto máximo posible y su intervalo de recurrencia en la Falla de Carrascoy (Murcia) para su implementación en el cálculo de la peligrosidad sísmica de la región
(Sociedad Geológica de España, 2005)Seismogenic source characterization in seismic hazard analysis of moderate activity areas is usually solely based on the seismogenic zone concept and the available historical records. However, the location of future big ... -
Estructura de los cuerpos plutónicos y migmatíticos en la parte central del Macizo de Gredos
Díaz Alvarado, Juan; Fernández Rodríguez, Carlos; Moreno-Ventas Bravo, Ignacio; Castro Dorado, Antonio (Sociedad Geológica de España, 2005)
This work presents the results of a detailed geological mapping and structural study of the Spanish Central System batholith, in the central part of the Gredos Massif. The internal contacts in the batholith are parallel ... -
Estudio hidroquímico comparativo en dos sectores con minas abandonadas de sulfuros metálicos: distrito de Linares-La Carolina (Jaén)
(Sociedad Geológica de España, 2005)The Linares-La Carolina abandoned sulfide mines are partially flooded at present and the demand of water resources have led to the pumping of groundwater directly from the old shafts. There is a scarce mobilisation of ... -
Estudio paleontológico preliminar del Tortoniense superior de «Las Pajanosas» (Sevilla, Cuenca del Guadalquivir)
(Sociedad Geológica de España, 2005)The paleontological record of a set of upper Tortonian outcrops nearby Las Pajanosas, north of Seville, has been studied. The most complete series of 15 metres of thickness, unconformed over upper Devonian metamorphic ... -
Evidencias morfotectónicas de actividad reciente de la zona de falla de El Salvador en el segmento Ilopango-San Vicente
(Sociedad Geológica de España, 2005)El Salvador Fault Zone is one of the main strike-slip structures of the Central American volcanic arc. The February 2001 earthquake took place in the Ilopango – San Vicente segment of this fault zone. In this work we ... -
Fábrica magnética de diques doleríticos del Plutón de Panticosa (Zona Axial, Pirineos)
(Sociedad Geológica de España, 2005)This work deals with the magnetic fabrics of the doleritic dykes intruded in the Panticosa pluton. The dykes are grouped in two main families: one with N-S direction and another one E-W, the most common. The measured ... -
Fábrica magnética del plutón de Marimanha (Pirineo central)
(Sociedad Geológica de España, 2005)The structural and magnetic fabric study of the Marimanha granite (Axial zone of the Pyrenees, Catalonia), provides new data to characterize the zonation and the internal structure of the pluton. The Marimanha granite ... -
Formas de erosión marinas en el sector comprendido entre Maro y Castell de Ferro (costa de Málaga y Granada)
(Sociedad Geológica de España, 2005)The existence of many marine abrasional forms, with their different heights and grades of certainty, is described in the coastline comprise between Maro (Málaga province) and Castell de Ferro (Granada province). The ...
