Geogaceta -- Nº 36, (2004)
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Facies diagráficas en el subsuelo terciario de la provincia de León (Formación Mansilla)
(Sociedad Geológica de España, 2004)They are analized the electric logs of a several wells located in the region northwest of the Duero Basin. These wells cross the upper 700 m of the Candanedo Aloestratigraphic Unit (Mansilla Formation). In them are ... -
Valoración patrimonial de las formaciones dunares Cuaternarias del Barranco de los Encantados y Cantera de Melián de la isla de Fuerteventura (Islas Canarias)
(Sociedad Geológica de España, 2004)This paper deals with the evaluatioh of the preservation interest of two Quaternary loca lites with aeolian deposits, Barranco de los Encantados and Cantera Melián, from the Fuerteventura Island (Canary Islands). Their ... -
Valoración patrimonial de los yacimientos de icnitas de dinosaurio de la provincia de Teruel
(Sociedad Geologica de España, 2004)Dinosaur tracks have always been very attractive for the general public. This effect can be used to promote tourism showing the different tracksites. To give them their real value as there are some previous requirements: ... -
Repartición de los Foraminíferos bentónicos recientes en la marisma Victoria (Noja, Cantabria)
(Sociedad Geológica de España, 2004)Recent benthic Foraminifera from superficial sediments of the Victoria marsh (Noja, N. Spain) have been studied. A total of 45 species have been identified, 15 of which were alive during the sampling. Lobatula lobatula is ... -
Relaciones estratigrafías y sintectónicas de los conglomerados miocenos de Montejo de la Vega (borde SE de la cuenca del Duero)
(Sociedad Geológica de España, 2004)New precisions are given about the stratigraphy and chronology of the marginal conglomerate units and their associated distal fades in the SE sector of the Duero Basin are described. The syntectonic units formed during the ... -
¿Registro de un paleoincendio en el límite Plioceno-Pleistoceno de la cuenca de Guadix-Baza (Granada, España)?
(Sociedad Geológica de España, 2004)This paper deals with the organic geochemistry of a "lignite" bed at the bottom of the Guadix-Baza composite stratotype section, just below the end of the Olduvai Chron. The results of the organic matter analysis (low H/C ... -
Problemática de las calizas del Cretácico Superior en las cimentaciones de Oviedo
(Sociedad Geológica de España, 2004)In rocky substratum of Oviedo (N Spain) there is an important carbonate formation of Upper Cretaceous age. This level has interest into applied geology on having supposed a surface of preferential foundation for city ... -
Precisiones sobre la cinemática y edad de la falla del Río de la Miel (Maro, Málaga)
(Sociedad Geológica de España, 2004)The Río de la Miel fault shows a complex movement history. Three main displacement stages have been distinguished from the microtectonic analysis. The first stage was a dextral strike-slip movement whose cr, was almost ... -
Peligrosidad Natural en el Espacio Protegido de las Batuecas-S Francia, Quilamas y su entorno (Salamanca). Análisis integrado de los factores potenciales de riesgo
(Sociedad Geológica de España, 2004)The Natural Hazards Cartography show a basic utility in the land planning. In this paper; in order to actual erosion risk characterized for vegetation, climatics parameters, geomorphologic domains and litology; and based ... -
Paleometeorización vs. Paleoalteración en la superficie de discordancia Proterozoico-Cámbrico en el Antiforme del Narcea
(Sociedad Geológica de España, 2004)Petrographic and geochemical characterization of the rocks underlying the Neoproterozoic-Cambrian angular unconformity in the eastern flank of the Narcea Antiform, provide an insight on the processes involved in the ... -
Observaciones hidrogeológicas en el área urbana de Granada
(Sociedad Geológica de España, 2004)A number of hydraulic tests, as well as monitoring of groundwater level and physico-chemical variables, have been carried out -since their construction in August 2000- in two adjacent wells located inside the urban area ... -
Sustituciones Se042 -S042' en el yeso: un estudio experimental
(Sociedad Geológica de España, 2004)Se/enaíe (SeOf) and sulfate (50/-) have similar structural and chemical properties, and they can play a similar geochemical role. The competition between both anions has been considered in different fields. We present ... -
Sismicidad y tectónica en el área de Becerreá - Triacastela (Lugo, NO España)
(Sociedad Geológica de España, 2004)The most active seismic spot in the northwestern part of the Iberian Peninsula is located between Becerreá and Triacastela (Lugo). Since 1995 an apparent increase of the activity has taken place: several seismic events ... -
Sedimentologia e interpretación paieoambiental de los canales fluviales de la Formación Mansilla en el Mioceno de la provincia de León
(Sociedad Geológica de España, 2004)They are defined four sort of associations of fades that are interpreted as fluvial channel landfills: low sinuosity with gravel and sands load, high sinuosity with gravel and sands load. For each one of they are provided ... -
Respuesta de los acuíferos en el área de Muía (Murcia, SE de España) a los movimientos sísmicos de 1999
(Sociedad Geológica de España, 2004)In February 1 999lh an earthquake near the city of Mula (Murcia, SE Spain) happened with 4,8 magnitude. Later, occurred more earthquakes, the main of them in May, with 3,0 magnitude. In epicentral zone there are termal ... -
Resistencia al rebote en materiales de la Formación Casaio (Ordovícico del NO de España)
(Sociedad Geológica de España, 2004)Several types of Ordovician Rocks (Casaio Formation in Truchas Synclinal) have been tested with the Schmidt hammer, model L. The compressive strength of these rocks has been estimated by the rebound values "in situ" and ... -
Nuevos datos sobre la geologia del Complejo Intrusivo Alcalino de Monchique (SW de Portugal)
(Sociedad Geológica de España, 2004)Los estudios microscópicos complementarios de las rocas alcalinas han permitido confirmar la estructura anular groseramente concéntrica del Complejo de Monchique, semejante a la que presentan los complejos alcalinos coetáneos ... -
Nueva localidad fosilífera en el mioceno inferior de las Bárdenas Reales de Navarra (cuenca del ebro, península ibérica)
(Sociedad Geológica de España, 2004)In this study we report a new fossil locality found in the continental sediments of the Tudela Formation. This formation is composed of palustrine, lacustrine and distal aluvial fades that represent the sedimentary ... -
Moluscos y microvertebrados del Pleistoceno de las terrazas del río Tajo en Toledo y Fuentidueña de Tajo (España Central)
(Sociedad Geológica de España, 2004)The study of the terraces and its associated faunas from the areas of Toledo and Fuentidueha de Tajo in the Valley of the Tagus River, mainly from a palaeoenvironmental point of view, has been made in this work. Six new ... -
Magmatismo Neoproterozoico calcoalcalino en el Antiforme del Narcea (N de España)
(Sociedad Geológica de España, 2004)4 sequence of acid to basic igneous rocks is exposed within Neoproterozoic sediments of the Narcea Antiform (N of the Iberian Variscan Belt). Volcanic and volcanoclastic rocks, classically known as 'porphyroids', are ...