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Browsing Geogaceta -- Nº 59, (2016) by Issue Date
Now showing items 1-20 of 24
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Nuevos datos hidroquímicos e isotópicos en el manantial kárstico de Maro (Nerja, Málaga). Consideraciones sobre el origen de los solutos y de la influencia de la ventilación en la zona vadosa
(Sociedad Geológica de España, 2016)The previously stated model concerning the behaviour of the karstic spring of Maro is corroborated with new data from the 2004-2014 period. Sulphate isotopes allow linking the origin of solutes with the dissolution of ... -
Geolodía para un público numeroso: claves para su organización
(Sociedad Geológica de España, 2016)Geoloday is an outreach initiative at national level, coordinated by the Geological Society of Spain. It consists in a fieldtrip guided by teams of geologists, with as much excursions as Spanish provinces. We analyze the ... -
Dolomita bacteriana en facies carbonato-yesíferas de lagos efímeros (Formación Deza, Eoceno superior, Cuenca de Almazán)
(Sociedad Geológica de España, 2016)The lower sequence of the Deza Formation represents an ephemeral carbonate lacustrine environment revealed by the presence of limnic fossil and evidence of dry periods marked by the presence of numerous carbonate pseudomorphs, ... -
Origen y distribución de Tierras Raras (REEs) en el agua y en los sedimentos de la Laguna de El Hito (Cuenca, España Central)
(Sociedad Geológica de España, 2016)Determination of Rare Earth Elements (REEs) in the waters and sediments of El Hito Lake and its drainage basin was carried out. Distribution maps for REEs concentrations show increasing values in the lake sediments from ... -
New lithologic and structural data of the central and eastern part of Ceuta (Rif Cordillera)
(Sociedad Geológica de España, 2016)In the central and eastern parts of Ceuta two tectonic units are differentiated: a) the Hacho unit, formed by two groups of orthogneisses which foliation permits to establish the structure: an anticline with a periclinal ... -
Validez de los resultados obtenidos a partir de las soluciones analíticas de Theis y Cooper-Jacob en ensayos de bombeo realizados en acuíferos costeros
(Sociedad Geológica de España, 2016)Two pumping tests were performed in the unconfined detrital Motril-Salobreña aquifer in a 250 metre-deep artesian well 300 m from the coastline containing both freshwater and saltwater. The two observation wells where the ... -
Caracterización y origen de las lunetas asociadas a las lagunas de La Lantejuela (Sevilla, España)
(Sociedad Geológica de España, 2016)“Campiña” playa-lakes, originated in relation to clay-evaporite materials of Depression of the Guadalquivir, are characterized by their temporary hydroperiod and saline waters. Among these, it highlights the lacustrine ... -
Identificación de procesos hidrogeoquímicos mediante elementos minoritarios en Sierra de Gádor (Almería, España)
(Sociedad Geológica de España, 2016)A groundwater sampling has been carried out in Sierra de Gador (SE Spain) with the aim of determining the processes in which minor ions are involved. Previous works have allowed us to differentiate four groups according ... -
El registro sedimentario del lago Sant Maurici (Pirineos Centrales)
(Sociedad Geológica de España, 2016)The St. Maurici Lake (1.004818 E, 42.580801 N, 1924 m a.s.l.) is located in the eastern area of "Parc Nacional d’Aigüestortes i Estany de Sant Maurici", Central Pyrenees, Catalonia. The lake occupies an overexcavated basin ... -
Caracterización ecológica de los ostrácodos holocenos de los Ojos de Añavieja (Soria, España)
(Sociedad Geológica de España, 2016)In this work, the holocene ostracod assemblages of the Añavieja surrounding springs have been studied for the first time, allowing the preliminary differentiation of three subenvironments within this wetland. Thus, the ... -
Caracterización de la geometría del Polje de Zafarraya a partir de prospección gravimétrica (Cordillera Bética)
(Sociedad Geológica de España, 2016)The Zafarraya Polje is a Neogene endorheic basin, which lies on the contact between internal and external Zones of the Betic Cordillera. This basin limits on its southern boundary with the Ventas de Zafarraya fault, related ... -
Architecture of Pleistocene fluvial tufa systems associated with waterfalls: El Salt (Alcoy, Spain)
(Sociedad Geológica de España, 2016)El Salt is an episodic waterfall located in the city of Alcoy (Spain), Alicante. The Barxell River Source, has calcium bicarbonate waters and an estimated flow rate of 17,000 m3 / day. It is a potential tufa generator, ... -
Distribución de los micromoluscos actuales de los Ojos de Añavieja (Soria, España)
(Sociedad Geológica de España, 2016)In this work, the recent micromollusc assemblages of the Añavieja springs have been studied, identifying one bivalve (Pisidium sp.) and 12 gastropod species, five of which are terrestrial (Cochlicella sp., Truncatellina ... -
Evolución hidroquímica de las aguas superficiales en los tramos alto y medio del río Andarax (Almería)
(Sociedad Geológica de España, 2016)The Andarax river includes every kind of flow type along its course: perennial, intermittent and ephemeral. This diversity of flow, along with the variable lithology of the area and the influence of groundwater influences ... -
Estimación geoestadística del contenido en manganeso en suelos y su relación con las aguas subterráneas en España
(Sociedad Geológica de España, 2016)Metal content in groundwater is a problem intensely studied by different researchers worldwide. High concentrations of these elements are related to geogenic sources besides of anthropogenic activities. In this work, a ... -
Miocene deformation front propagation and strain partitioning within the fold-and-thrust belt of the Central Betics
(Sociedad Geológica de España, 2016)The External Zones of migrating orogenic arcs can be deformed as fold-and-thrust belts where the advance of the deformation front toward the foreland is contemporary to the arc-lengthening. The Sierra de Cabra, in the ... -
Caracterización ecológica de los ostrácodos holocenos de los Ojos de Añavieja (Soria, España)
(Sociedad Geológica de España, 2016)In this work, the holocene ostracod assemblages of the Añavieja surrounding springs have been studied for the first time, allowing the preliminary differentiation of three subenvironments within this wetland. Thus, the ... -
Recarga artificial de acuíferos en la MASub Boquerón y gestión integrada de recursos hídricos mediante Optiges
(Sociedad Geológica de España, 2016)Artificial groundwater recharge is the technique in which water is usually introduced into the subsoil in order to alleviate water deficits of certain hydrogeological formations. In the study the appropriateness of ... -
Aplicación de la anisotropía de la susceptibilidad magnética en el Jurásico inferior calcáreo al análisis estructural del Alto Atlas Central (región de Imilchil, Marruecos)
(Sociedad Geológica de España, 2016)In this work we present the results of the application of Anisotropy of Magnetic Susceptibility (AMS) to structural analysis in a sector of the Central High Atlas (Morocco). The studied sedimentary sequences comprise marly ... -
Estimación de parámetros hidrogeológicos en los acuíferos costeros del Bajo Guadalhorce (Málaga) mediante el análisis de la influencia de las mareas
(Sociedad Geológica de España, 2016)By the use of continuous data recording on two points of the Bajo Guadalhorce coastal sector (Malaga province, southern Spain), located at 626 m and 985 m inland, it has been possible to verify a clear influence of tidal ...
