Browsing Geogaceta -- Nº 35, (2003) by Issue Date
Now showing items 1-20 of 47
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Características de los sedimentos del litoral entre Chipiona y Rota (Cádiz, SO de España)
(Sociedad Geológica de España, 2003)A morphological and sedimentological monitoring program was carried out in Cadiz littoral (SW Spain). Sediments were sieved and sedimentological parameters were calculated. Sediments, composed by quartz rich sands, present ... -
Caracterización química del agua de goteo en la cueva Kaite y monitorización de las variaciones estacionales
(Sociedad Geológica de España, 2003)Characterization of drip waters in karstic caves is a key task for interpreting speleothems in terms of paleodimate record. Particularly, variations in stalagmite composition, growth rate and microstratigraphy, often used ... -
Análisis tafonómico preliminar de la ictiofauna pliocènica del S.O. de España
(Sociedad Geológica de España, 2003)The taphonomic analysis of the Osteichthyes and Condrichthyes of the Arenas de Huelva Formation permits to delimitate three parts into this Neogene unit: a) basal, glauconitic layer, with numerous teeths and caudal stings ... -
Morfología y evolución reciente del litoral entre Fnideq y M'diq (Tetuán, NE de Marruecos)
(Sociedad Geológica de España, 2003)A beach-monitoring program was carried in the Moroccan littoral between Fnideq and M'diq that forms a great physiographic. The present work deals with littoral morphology, recent evolution and relationships between littoral ... -
Caracterización de la Turba del Yacimiento de Caspueñas -Fuentes de la Alcarria (Guadalajara, España)
(Sociedad Geológica de España, 2003)Deposits of peat have been discovered among the materials of the bottom of the river Ungria Valley (Guadalajara). These deposits are extended, at least, from Caspuenas to Fuentes de Alcarria villages. So far 23 research ... -
Foraminíferos bentómcos de Lanzarote, Islas Canarias: playas, salinas y jable
(Sociedad Geológica de España, 2003)A total of 35 live and dead species of benthic foraminifers, have been identified in 15 samples obtained throughout the Lanzarote island in an environment of beach, salinas and jable. The most abundant species in all the ... -
Geología del sistema de yacimientos de mamíferos miocenos del Cerro de los Batallones, Cuenca de Madrid
(Sociedad Geológica de España, 2003)The Cerro de los Batallones (Los Batallones Butte) is located in the central-northern area of the Madrid Basin, central Spain. Six vertebrate localities containing a large variety of mammals together with amphibians, fishes ... -
Ambientes sedimentarios y secuencias en la Fm. Higueruelas (Jurásico Superior) en la Cordillera Ibérica Septentrional
(Sociedad Geológica de España, 2003)Fades analysis carried out in the Higueruelas Fm. (Tithonian, latest Jurassic) in the northern Iberian Chain (Mezalocha, Aguilon and Fuendetodos outcrops), has resulted in the identification of 14 fades. These fades were ... -
Rasgos hidrogeoquímicos de las aguas termales en los acuíferos carbonatados del Bajo Andarax (Almería)
(Sociedad Geológica de España, 2003)The carbonate aquifers of the Lower Andarax is a significant geothermal anomaly, as evidenced by the high temperature of the spring waters (22 - 40 °C). The most saline waters (2000 - 3000 mg.L1) correspond to the Deep ... -
Datación Sm-Nd del metamorfismo en ía Sierra de las Imanas (Sierras Pampeanas Occidentales, Argentina)
(Sociedad Geológica de España, 2003)Sm-Nd garnet geochronology of a migmatite gneiss from the Sierra de las Imanas (Western Sierras Pampeanas) has provided a peak metamorphic age of 464.6 ± 4.5 Ma, i.e., Middle Ordovician, corresponding to the Famatinian ... -
Paleontología del sistema de yacimientos de mamíferos miocenos del Cerro de los Batallones, Cuenca de Madrid
(Sociedad Geológica de España, 2003)Six Upper Vallesian (Upper Miocene) fossil vertebrate sites have been found in the Cerro de los Batallones (Torrejón de Velasco, Madrid). These localities contain an exceptionally rich, varied and well-preserved vertebrate ... -
Yacimiento de arcilla caolinífera de relleno Kárstico en Chavaler (Cordillera Ibérica, Soria)
(Sociedad Geológica de España, 2003)The Chavaler karstic deposit is a clay accumulation in a dolina of 90 m in diameter. Clay minerals are represented mainly by kaolinite (80% kaolinite, 20% quartz) and locally also kaolinite-gibbsite facies, and natroaluite. ... -
Aplicación de la distribución de Poisson al análisis autoecológico de Ammonia tepida (Foraminifera) en medios estuarinos del suroeste de España
(Sociedad Geológica de España, 2003)This work analyzes the populations of Ammonia tepida (Foraminifera) In the southwestern Spanish estuaries with the application of the Poisson's distribution. Although the general model is unsatisfactory for a possible ... -
Geochemistry of lower Paleozoic anorogenic basic rocks from the Evora Massif (Western Ossa-Morena Zone, Portugal)
(Sociedad Geológica de España, 2003)Undated basic rocks included in the Ossa-Morena westernmost domains (Alentejo region, Portugal) have been studied in an attempt to fill the lack of geochemical data for the Evora Massif. The selected outcrops, interpreted ... -
Correlación geoquímica en la microestructura de Boumonia sp. y Gredilla de Sedaño, Norte de Burgos, España)
(Sociedad Geológica de España, 2003)The different geochemical behaviour of the cellular and compact microstructures in Bournonia sp. and Praeradiolites ciryi has been studied through geochemical correlation between both skeletal types. It is the first time ... -
Las unidades litoestratigráficas del Jurásico Medio de la Cordillera Ibérica
(Sociedad Geológica de España, 2003)Five lithostratigraphic units applicable to the different Middle Jurassic palaeogeographical elements of the Iberian platform system are proposed. For the oolitic-dolomitic belt developed in the Internal Castilian Platform, ... -
Estudio preliminar de la organización secuencial del Complejo Basal Transgresivo en el Sector Central de la Cuenca del Guadalquivir (Tortoniense, SO España)
(Sociedad Geológica de España, 2003)The sedimentary filling of the Guadalquivir Basin along its central sector during Tortonian consists of fluvial/deltaic fades, which are recurrently cut by several transgressive pulses. The study of the sequential arragement ... -
Origen geológico de los contaminantes (sulfatos) presentes en las aguas subterráneas de la Laguna de Pétrola. (Albacete, España). Resultados preliminares
(Sociedad Geológica de España, 2003)The salty Lagoon of Petrola, 2 km2 in area, constitutes a representative example of the numerous closed basins that upholster the Iberian southern Subplateau. The lagoon is felt by several saline springs and wells which ... -
Caracterización morfodinámica de las playas del tramo costero marroquí entre Ceuta y Cabo Negro
(Sociedad Geológica de España, 2003)A beach monitoring program was carried out in July 2003 in the Mediterranean littoral between Fnideq and M'diq, (NE of Morocco). Beaches present a great range in width and small slope variations. In fact, main littoral ... -
Tres nuevas localidades con fauna de micromamíferos fósiles de edad Aragoniense inferior-medio en el sector sureste de la cuenca de Quesa-Bicorp (prov. de Valencia, España)
(Sociedad Geológica de España, 2003)In this paper are described three new mammal localities of Lower -Middle Aragonian age in the Quesa-Bicorp basin (Prov. of Valencia, Spain). The new data confirm the age atribution for the lower continental deposits