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Listar Geogaceta -- Nº 20-5, (1996) por fecha de publicación
Mostrando ítems 1-20 de 69
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El vulcanismo alcalino, pre-Hettangiense, al NE de la Península Ibérica: puntos de interés para el Patrimonio Geológico
(Sociedad Geológica de España, 1996)Some alkaline basaltic sills, affected by spilitization processes, and other unaltered sills -including peridotite enclaves-, with the same chemical composition and setting age (pre-Hettangian), were studied in several ... -
El paleomagnetismo como indicador de paleotemperaturas. Aplicación a las Cordilleras Béticas
(Sociedad Geológica de España, 1996)Previous palaeomagnetic studies performed in the Western Internal Subbetics revealed the presence of a widespread neogene remagnetization in these units. In this work we analyze the hypothesis of a thermoviscous remagnetization ... -
Digitalización de Imágenes aplicada a material cerámico. Caso práctico de caracterización de las producciones de un horno musulmán de Zaragoza
(Sociedad Geológica de España, 1996)Digital image analysis is becoming an important tool in many areas of Mineralogy and Petrology. The application of this technique to characterise the texture and fabric of ancient pottery and to discriminate between ... -
El magmatismo calco-alcalino, pérmico, de la cadena Ibérica: su interés como Patrimonio Geológico
(Sociedad Geológica de España, 1996)Some criteria are here exposed (petrology, tectonics, stratigraphy and fosil data) in order to include some representative outcrops of the Permian calk-alcaline magmatism (SW, Iberian Range) within the Geological Heritage -
Las formaciones del mapa geológico a escala 1:25.000 de la Cuenca de Lorca (Murcia)
(Sociedad Geológica de España, 1996)The Lorca Basin is located in the Betic Ranges (SE o f Spain) over the contact between the Betic domain s.s. (in te rn a l zones) and the Subbetic one (external zones). For the complementary use of the mineralogical and ... -
Magnetocronología del Plioceno superior continental de la cuenca de Guadix-Baza (Cordilleras Béticas)
(Sociedad Geológica de España, 1996)Stratigraphic superposition of mammal fossil-rich localities makes the Galera section (Baza Fm, Guadix-Baza Basin, Betics) very appropriate for magnetostratigraphic dating of the Late Pliocene continental biochronology. ... -
La «Fana» de Genestaza: un ejemplo de sistema torrencial activo en la Cordillera Cantábrica
(Sociedad Geológica de España, 1996)«La Fana de Genestaza» is an active mountain torrent representative of these kind of systems in the Cantabrian Mountains. As the field evidences show, the availability of non consolidated material in the catchment area is ... -
Evolución costera de la desembocadura del Guadalquivir en los últimos 6.000 años (SW de España)
Rodríguez Ramírez, Antonio
; Rodríguez Vidal, Joaquín; Cáceres Puro, Luis Miguel; Clemente Salas, Luis; Belluomini, G.; Manfra, L.; Improta, S.; Andrés, José Ramón de (Sociedad Geológica de España, 1996)
Since the last Holocene sea level rise, about 6,900 yr BP, a series of depositional littoral landforms has been generated at the outlet of the Guadalquivir river, with progradation along the predominant longshore d rift ... -
Extracción selectiva de Pb, Ni y Cd en un suelo no contaminado en relación con la heterogeneidad del mismo
(Sociedad Geológica de España, 1996)The topsoil of on arable field was characterized as homogeneous for major element contents by Xray fluorescence. Total concentrations o f potentially toxic metals, as extractable by aqua regia digestion, showed no heavy ... -
Estudio medioambiental en el Palacio Real de Madrid
(Sociedad Geológica de España, 1996)S 0 2, N O , N 0 2 contents and suspended particles have been measured in the Environmental Monitoring Station installed in the Royal Palace of Madrid. The analysis of these major air pollutants has been carried out during ... -
El magmatismo Toleítico, Trías-Lías, de la cadena pirenaica: afloramiento con interés en el Patrimonio Geológico
(Sociedad Geológica de España, 1996)In this paper, a selection o f the most important features of Triassic tholeiitic dolerites in the Pyrenean domain, and the description of the best outcrops of this magmatism are exposed. The inclusion o f these outcrops ... -
Generación automática de mapas de daños sismoinducidos
(Sociedad Geológica de España, 1996)In this paper a computer program that computes seismic intensities, loss estimate and liquefaction occurrence is shown. This program works with both punctual and lineal sources and allows for site effects, it need very few ... -
Estudio magnético y paleomagnético de coladas históricas del Etna (Sicilia, Italia)
(Sociedad Geológica de España, 1996)70 basaltic lava flows from Mt. Etna erupted in 1910, 1928, 1950 and 1979 were sampled to carry out rockmagnetic studies In order to determine their magnetic mineralogy and paleomagnetic stability and to asses their ... -
Evolución reciente del drenaje en la Depresión del Guadalentín (Murcia, SE España)
(Sociedad Geológica de España, 1996)In this study the development and recent evolution of the drainge within the Guadalentín Depression (Murcia) Is analized in basis of geologic, geomorphic and historic data. The results indicate that several holocene drainage ... -
Fábrica magnética en las limolitas wealdenses del borde oriental de la Cuenca de Cameros (Cordillera Ibérica): correlación con la deformación finita
(Sociedad Geológica de España, 1996)The Anisotropy of Magnetic Susceptibility (AMS) of some wealdian siltstones outcroping in the eastern border of the Sierra de Cameros (NW Iberian Chain) has been analyzed in order to stablish its correlation with strain. ... -
El mapa geológico de Cataluña a escala 1:25.000
(Sociedad Geológica de España, 1996)The sheets of the “Mapa Geoldgic de Catalunya 1:25.000" are conceived as selfsufficient documents. Thus, full information for the correct interpretation of the geological data must be included in the sheet. The elements ... -
Estudio paleomagnético del yacimiento de Villa del Pañuelo (Villamanta, Madrid)
(Sociedad Geológica de España, 1996)The object of this paper is to present a palaeomagnetic study of two Roman pottery kilns. Samples have been obtained from the walls and treated magnetically to obtain paleomagnetic mean directions. After a geographical ... -
Dunas eólicas y facies asociadas pleistocenas y holocenas en el acantilado del Asperillo (Huelva)
Dabrio, Cristino José; Borja Barrera, Francisco; Zazo, C.; Boersma, J. R.; Lario, J.; Goy, José L.; Polo, M. D. (Sociedad Geológica de España, 1996)
Facies analysis and tridimensional relationships of the eolian and eolian-connected deposits of Pleistocene and Holocene age in Huelva allow to propose sedimentary models and discuss their temporal evolution and chronology -
Aspectos metodológicos sobre cartografía ambiental. Asentamientos urbanos en La Valí de GalIiñera, Alicante
(Sociedad Geológica de España, 1996)A cartographic-environmental proposal for Physical Environment, based on maps of Use Recomendations and Limitations, has been elaborated to be applicated in the location of human settings and in Landscape Management. The ... -
Contribución de los magmatismos presentes en la Comunidad Autónoma de Aragón al Patrimonio Geológico
(Sociedad Geológica de España, 1996)The main features (composition, age and setting mode) for eight igneous units outcropping in the Aragon Autonomus Community are exposed in this paper, justifying their inclusion within the Geological Heritage. These units ...