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Browsing Geogaceta -- Nº 31, (2001) by Issue Date
Now showing items 1-20 of 51
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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 ... -
Caracterización hidrodinámica e hidroquímica del manantial de Río Jorox (Unidad Hidrogeológica Yunquera-Nieves, Málaga)
(Sociedad Geológica de España, 2001)The hydrodynamic and hydrochemical responses of Río Jorox spring (Yunquera-Nieves Hydrogeological Unit), with respect to precipitations recorded during the study period (1995-1998), show that the system drained by this ... -
Contribución del contenido en tritio a la identificación del origen del agua subterránea: Sierra de Gádor (Almería)
(Sociedad Geológica de España, 2001)Tritium content of rainwater in Sierra de Gador has been higher than at. 10 TU during the last forty years. Groundwater samples apparently indicate the absence of recent contributions from the precipitation. The mixture ... -
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 ... -
Análisis estructural de los mármoles de la banda metamórfica de Aracena (Macizo Ibérico meridional). Implicaciones tectónicas regionales
Díaz Azpiroz, Manuel; Fernández Rodríguez, Carlos
(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 ... -
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., ... -
Modificaciones de los parámetros ambientales de la Cueva de Nerja provocadas por la entrada de visitantes
(Sociedad Geológica de España, 2001)In Nerja Cave, since 7 993 to present time, the values of underground atmosphere parameters (air and rock temperature, relative humidity, C02 concentration and number of visits) have been controlled to verify the anthropogenic ... -
Experiencia de visitas masivas a cavidades en condiciones naturales: la Cueva del Agua de Iznalloz (Granada)
(Sociedad Geológica de España, 2001)The regime of visits in the Cueva del Agua is strictily restricted what allows to carry out an environmental control of the cave under natural conditions before the realization of any tourist activity inside. An underground ... -
Prueba de Radiolocalización y Radioenlace entre Candanchú y el Túnel Ferroviario Internacional de Canfránc (Huesca)
(Sociedad Geológica de España, 2001)A new device for underground radiolocation and radio conection was tested betweeen the railway tunnel of Canfranc and the sky ressort of Candanchu. The results provide a radiolocation through 500 m. of limestone and wet ... -
Paleosalinidad y tamaño de las valvas del ostrácodo Cyprideis torosa (Jones) en niveles del Pleistoceno inferior y medio
(Sociedad Geológica de España, 2001)The correlation between the size of Lower and Middle Pleistocene Cyprideis torosa Cores) ostracode valves and paleosalinity reveal the existence of a direct relationship though little significant. This observation suggest ... -
Consideraciones sobre el contenido isotópico de las aguas subterráneas en el Bajo Andarax (Almería)
(Sociedad Geológica de España, 2001)The isotopic content of the groundwaters of the Lower Andarax was used as the basis for differentiating two subterranean flow systems. The more superficial system is represented by less impoverished waters with temperatures ... -
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 ... -
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 ... -
Evolución geomorfológica del karst y paleoambientes cuaternarios en el macizo de Patones-Cerro de la Oliva (Madrid)
(Sociedad Geológica de España, 2001)Geomorphological, sedimentological and palaeontological evidences allowed to identify several phases in the evolution of the Patones-Cerro c/e la Oliva karstic massif. The studied speleothems, jointly with data of previous ... -
Primeros datos paleobotánicos y palinológicos de una flora miocènica procedente de la unidad intermedia en el sector central de la Cuenca de Madrid
(Sociedad Geológica de España, 2001)For the first time macroremains flora of Miocene from Madrid are studied. On the basis of this palaeobotanical and palynological studies more over 110 taxons have bee distinguished. The plant association is very hetogeneous ... -
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 ... -
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 ... -
Relaciones entre la hidrología subterránea y la estructura geológica en la Sierra de Tramuntana de Mallorca (Islas Baleares)
(Sociedad Geológica de España, 2001)The overall structure of the island of Mallorca consists of a set of horsts and grabens which are bounded by Upper Miocene-Quaternary listric normal faults. Horsts are segments of a Lower Miocene thrusted and folded belt ... -
Aplicación del análisis fractal a las paleoestructuras de colapso kárstico del Mioceno superior de la costa este de Mallorca, España
(Sociedad Geológica de España, 2001)Recent studies have focused on the fractal geometry techniques to study the karst phenomenon applying a fractal method to this matter. In this paper, we study the spatial distribution of paleokarst collapse structures at ... -
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 ...
