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Browsing Geogaceta -- Nº 48, (2010) by Issue Date
Now showing items 1-20 of 58
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La Fm Puerto de La Losa (N de Granada, E de Jaén): una nueva unidad estratigráfica, paleogeográficamente significativa, del Paleógeno Inferior Prebético
Pujalte, Victoriano; Orue Etxebarria, Xabier; Apellaniz, Estíbali; Baceta, Juan Ignacio; Payros, Aitor; Robador, Alejandro; Tosquella Angrill, Josep
(2010)
A new unit has been recognized in the Prebetic of the northern part of the Granada Province and eastern part of the Jaén Province, herein defined as La Losa Pass Fm and dated with planktonic and larger foraminifera as late ... -
La tomografía eléctrica aplicada a la investigación del yacimiento arqueológico de Cástulo (Linares, Jaén). Resultados preliminares
(2010)The Cástulo archaeological site is one of the most important ofthejaen province. Despite its significance, the excavation work has been scarce. Site development for cultural purposes requires, firstly, a detailed, ... -
Costras ferromanganesíferas pelágicas inducidas por comunidades bentónicas microbianas en el límite Jurásico Medio-Superior (Subbético Externo, provincia de Córdoba)
(2010)A hardground with Fe-Mn crusts of an important Middle-Upper Jurassic stratigraphic discontinuity in the External Subbetic has been analysed. These are mainly hydrogenetic-biogenic crusts induced by the activity of benthic ... -
Tortugas del Cretácico Inferior (Hauteriviense-Barremiense) de La Rioja (Cuenca de Cameros, España)
(2010)The information about the turtles from the Early Cretaceous of the Iberian Peninsula is, until now, very poor. We describe here three specimens found in the Lower Cretaceous (Hauterivian-Barremian) of La Rioja, of at least ... -
La evaluación de la recarga como contribución al conocimiento hidrogeológico del acuífero carbonático de la Sierra de la Silla (Parque Natural de la Sierra de Grazalema, Cádiz)
(2010)The Sierra de la Silla aquifer is the smallest (10 km2 of permeable outcrops) and westernmost aquifer forming part of the Grazalema Natural Park, situated to the NT of the Cádiz province. Previous works suggested its ... -
Nuevas aportaciones a la caracterización geomorfológica del Manto Eólico Litoral de El Abalario-Doñana: el perfil de la laguna Río Loro (Huelva, España)
Díaz del Olmo, Fernando; Recio Espejo, José Manuel; Borja Barrera, César; Cámara Artigas, Rafael; Borja Barrera, Francisco (2010)
The RLO-ZC profile of Río Loro small lake at El Abalarlo area in MELAD (Aeolian Littoral Sand Sheet at El Abalario-Doñana), in Doñana Natural Park (Huelva, Spain) has been studied from a weathering point of view. We can ... -
Fraccionamiento de Fe y metales pesados en un deposito incontrolado de residuos mineros del paraje natural Estero Domingo Rubio (Huelva)
Barba Brioso, Cinta; Otero, Xose L.; Fernández Caliani, Juan Carlos; Delgado Rodríguez, Joaquín María; Macias, Felipe; Galán Huertos, Emilio (2010)
Two samples of mine wastes were selected from an abandoned deposit at the Natural Park Estero Domingo Rubio, in order to determine the fractionation and relative mobility of some heavy metals (Cd, Cu, Mn, Ni, Pb, Zn). The ... -
First record of Tethyan Ladinian involutinid foraminifera-rich beds in thè Betic Internai Zone (SE Spain)
(2010)Generalmente se acepta la idea de que los dominios que actualmente constituyen las Zonas Interna y Externa de la Cordillera Bética estaban muy próximos, si no adyacentes, durante el Triásico. Sin embargo, los modelos ... -
Condicionantes genéticos de las formas kársticas de El Torcal de Antequera (Cordillera Bética)
(2010)The stunning landscape of TI Torcal de Antequera has produced a number of descriptive works; nevertheless, few of them present a genetic approach and, in this case, propose an essential role of differential physical ... -
El antiguo deslizamiento rocoso del Peñón de Ocenilla (Sierra de Cabrejas, Cordillera Ibérica, Soria)
(2010)A large-dimension rockslide occurred at one end of the 80 m high calcareous cliff face of the so-called Peñón de Ocenilla, where the inclination of the dip is 12° greater than the slope. A large mass of limestone and marly ... -
Nuevos yacimientos de icnitas domerienses en Ibaqalliwn (Alt Bou Guemez, Alto Atlas Central. Marruecos)
(2010)During the 2009's summer courses (universities Rabat-La Rioja) 6 new paleoichnological sites are found in the Bou Guemez river. The previously know Ibaqalliwn-Talsnant sites are located in the close west. All new, and ... -
Preservación excepcional de un disco intervertebral atribuido a un reptil marino, descubierto en la Sierra de Albarracín (Cordillera Ibérica, España) en el siglo XIX
(2010)An element that is part of the collection of vertebrate paleontology of the MNCN since before the Spanish Civil War is described. The specimen was found in the Jurassic of the Sierra de Albarracín, in the Iberian Range, ... -
Sedimentología y geomorfología del fondo de un canal mareal asociado a la desembocadura del río Guadiana: «La Ría Carreras» (Huelva, SO España)
Morales González, Juan Antonio; Lozano Guerra-Librero, Claudio; Cantano Martín, Mercedes; Rodríguez Ramírez, Antonio; Delgado Rodríguez, Irene (2010)
The present paper characterizes the distribution of sediments and geo-forms in a tidal channel within the Guadiana River Mouth using Side Scan Sonar techniques. This work presents a map of bed distribution in terms of ... -
Contaminación actual del acuífero aluvial de los ríos Agrio y Guadiamar (Aznalcollar, España)
In April 1998 the breakage of the pyritic tailings dam of Aznacóllar mines occurred and approximately 2 hm3 of sludges and 4 hm3 of acidic waters spilled to the Agrio and Guadiamar rivesr. The environmental disaster was ... -
El primer diente de ornitópodo del Jurásico Superior de España (Asturias)
(2010)One isolated ornithopod dinosaur tooth from the Principality of Asturias (northern Spain) is studied in this work. It has been found in the Aranzón cliffs (Villaviciosa municipality), in an outcrop of the deltaic Lastres ... -
Sobre el origen y edad de la depresión del Jiloca (Teruel, Cordillera Ibérica centro-oriental)
(2010)The relative role ofextensional tectonics and erosional lowering in the evolution of the Jiloca depression has been debated. The classic notion of a Pliocene, NNW-SSE trending graben is discussed by a number of authors; ... -
Actividad paleo-hidrotermal episódica en la Sierra de Guadarrama (Sistema Central Español): nuevas edades K-Ar y correlación tectónica con la Cordillera Ibérica
(Sociedad Geológica de España, 2010)Episodic hydrothermal alterations in the Sierra de Guadarrama took place between ca. 300 Ma and 10 Ma. New K-Ar ages for hydrothermal minerals have been obtained that along with previous data allow to better constrain ... -
Deformación en yesos del Triásico en el sector oriental de la Falla de Socovos (sureste de España)
(2010)A Triassic gypsiferous formation is juxtaposed to the Socovos Fault along its eastern portion. Here, the gypsum shows penetrative cataclastic fabrics, particularly prominent in the main fault zone. The fabrics show a profuse ... -
El relleno de paleodolinas en la cuenca del Ebro y sus posibles aportaciones a la evolución geodinámica y ambiental durante el Pleistoceno
(2010)The study of the detrital sediments in the Ebro river terraces near Zaragoza has demonstrated that in this area karst is not only an active phenomenon at present but also during the Pleistocene. The Ebro River system had ... -
Caracterización petrológica de las magnesitas y las dolomías encajantes de edad Proterozoica Superior-Cámbrico Inferior, Grupo Ibor (Castañar de Ibor, Cáceres)
(2010)Detailed petrographic observations of Upper Proterozoic -Lower Cambrian deposits of the Castañar de Ibor allows the characterization of the diagenetic history of these rocks. Craywackes, shales and limestones were deposited ...
