Browsing Geogaceta -- Nº 31, (2001) by Issue Date
Now showing items 1-20 of 51
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Características físico-químicas de las aguas de goteo en las "Galerías Altas" de la Cueva de Nerja (Málaga). Incidencia de los procedimientos de medida
(Sociedad Geológica de España, 2001)The physical-chemical characteristics (temperature, pH and electrical conductivity) of the drip water in the "High Galleries" (non-touristic zone) of the Nerja Cave have been monitored along the 2000 year. The results ... -
Características del manantial de Fuenmayor (San Julián de Banzo, Huesca)
(Sociedad Geológica de España, 2001)The main hidrochemical characteristics of the Fuenmayor spring (San Julian de Banzo, Huesca) are studied during the year 1992. The data point out to a strong inertia of the chemistry and temperature of the water -
La Sierra de Cártama: Pliegue con actividad reciente en las Béticas Occidentales (Hoya de Málaga)
(Sociedad Geológica de España, 2001)In this work is shown how an active fold (the Sierra de Cartama fault) is marked by the drainage pattern and topography, besides of structural data. The Sierra de Cartama fold is an asymmetric fold with double plunge and ... -
Estudio de la calidad de las aguas superficiales en los espacios naturales del sur de las provincias de Salamanca y Avila. Aplicaciones del índice ISQA
(Sociedad Geilógica de España, 2001)The aim of this paper deals with the study of the surface waters quality in the northwestern "Sistema Central" Range (Spain), in two different periods, spring and summer. The area is characterized by the existence of natural ... -
Estudio hidrogeolögico de la zona de Sa Marineta (Isla de Mallorca)
(Sociedad Geológica de España, 2001)Sa Marineta aquifer (NE of Mallorca) has high values of transmissivity (> 10000 m2/d) and low gradient. Groundwater flows from the Llevant Ranges to the center of the aquifer and to the sea. Vertical registers of temperature ... -
The geometry and kinematics of enclaves in sheared migmatites from the Evora Massif, Ossa-Morena Zone (Portugal)
(Sociedad Geológica de España, 2001)In the Montemor-o-Novo high-grade metamorphic terraines of western Ossa-Morena Zone (Portugal), sheared migmatites display a wide variety of distinct mesoscopic structures. Relationships of leucosome-melanosome layering ... -
Trazas afines a Imbrichnus wattonensis HALLAM de edad Albiense en el Prebético de Alicante (Serra Celada)
(Sociedad Geológica de España, 2001)Albian trace fossils related to Imbrichnus wattonensis HALLAM were studied in the "Prebetico de Alicante". Meniscate backfilling with imbricated sandy/ruditic clasts characterized this ichnogenus with regard to Taenidium., ... -
Fases de karstificación y sedimentación endokárstica pliopleistocenas en el mediterráneo occidental: evolución de la Cueva de Nerja (Málaga, sur de España)
(Sociedad Geológica de España, 2001)Evidence of several phases of karstification and sedimentation in Nerja Cave (Malaga, southern Iberian Peninsula) is pointed out. The mentioned phases could be representative of the Plio-Quaternary endokarstic evolution ... -
Interpretación geocronológica de la karstificación en el entorno del Sistema Central español a partir de los yacimientos paleontológicos asociados
(Sociedad Geológica de España, 2001)A review of previously published palaeontological data, jointly with new discovered fossils, allowed to stablish that the older fossils into detritic endokarstic deposits in the studied area are of Lower to Medium Pleistocene ... -
Técnicas experimentales para el análisis de la actividad bioerosiva de Patella rustica Linnaeus, 1758 (Mollusca; Gastropoda; Patellidae) del litoral rocoso de Mallorca (Mediterráneo occidental)
(Sociedad Geológica de España, 2001)Bioerosion is the biological breakdown of hard substrates by boring, grazing, etchting and abrading organisms. Many marine intertidal gastropods, such as limpets, contribute to the erosion by grazing rock substrate in the ... -
Caracterización de la explotación en el sector occidental del acuífero de Crevillente (Alicante)
(Sociedad Geológica de España, 2001)One of the principal sectors of exploitation of the karstic aquifer of Crevillente is located near Hondón de los Frailes. Its most outstanding singularity is that the majority of the water extracted from 7963 is accomplished ... -
Análisis geométrico y cinemático de la Falla del Río Maro sus implicaciones en la génesis de cavidades kársticas del tipo Cueva de Nerja (Málaga, España)
(Sociedad Geológica de España, 2001)A detailed geological map of 118 fault traces that form the Rio Maro Fault Zone (Malaga, Spain) has been carried out, emphasizing their geometric and kinematics characteristics. Several fault population analysis methods ... -
Análisis de respuesta de Fuenmayor (San Julián de Banzo, Huesca). Primeros resultados
(Sociedad Geológica de España, 2001)The hydrologie data of the karstic spring of Fuenmayor (Huesca) the from September til december, 2000, are presented. After the test of some of the classic methods for recession limb, the work focused on the system theory. ... -
Algoritmos de cálculo de edad del ostrácodo Herpetocypris reptans (Baird) a partir de ratios de racemización de aminoácidos
(Sociedad Geológica de España, 2001)Age calculation algorithms for D/L ratios of four amino acids (alanine, aspartic acid, phenylalanine and glutamic acid) analysed in the continental ostracode species Herpetocypris reptans (Baird) were determined for southern ... -
Análisis estructural de los mármoles de la banda metamórfica de Aracena (Macizo Ibérico meridional). Implicaciones tectónicas regionales
(Sociedad Geológica de España, 2001)The structural analysis of marbles from the Aracena metamorphic belt has proven to be very useful to deduce the structure and the tectonic evolution of the continental domain of this belt, which, in turn, is a key area in ... -
Canales Travertínicos de Alicún (S de España): Implicaciones en el uso Neolítico del agua y en la interpretación de la evolución climática reciente
(Sociedad Geológica de España, 2001)Four «self-built» travertine canals located in the vecinity of the Alicún hydrothermal springs CS Spain) were studied. Two canals are presently functional and their growth patterns have shown that their existences require ... -
Afección del vertedero de residuos sólidos urbanos de La Mina en el acuífero kárstico de Marbella (Málaga)
(Sociedad Geológica de España, 2001)The affection in groundwater by leachate produced in La Mina landfill has been controlled during a 600 days period by means of hydrochemistry monitoring in springs, wells and piezometers. Hydrochemistry diagrams and ... -
Anomalías gravimétricas y magnéticas en la Depresión de Granada (Cordilleras Béticas): tratamiento e interpretación
(Sociedad Geológica de España, 2001)The Granada Depression, located in the central sector of the Betic Cordilleras, is an intramountain depression filled mainly by detritic, evaporite and carbonate rocks since Miocene. Gravity anomaly minima are associated ... -
La sección Messiniense - Plioceno de Crevillente (Cordillera Bética oriental): expresión de la crisis de salinidad del Mediterráneo
(Sociedad Geológica de España, 2001)A composite stratigraphic section in Crevillente (eastern Betic Cordillera) is studied. It represent a complete stratigraphical and paleontological record of the Messinian and Lower Pliocene. Two discontinuity surfaces ... -
Estudio preliminar de la Geomorfologia de la Cueva del Pindal (Ribadedeva, Oriente de Asturias)
(Sociedad Geológica de España, 2001)Géomorphologie mapping and structural data provide the preliminary results of the géomorphologie features of the Pindal Cave and surrounding area, described in this work. The landscape results from fluvial, mass wasting, ...