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Browsing Geogaceta -- Nº 31, (2001) by Issue Date
Now showing items 1-20 of 51
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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 ... -
Canales Travertínicos de Alicún (S de España): Implicaciones en el uso Neolítico del agua y en la interpretación de la evolución climática reciente
(Sociedad Geológica de España, 2001)Four «self-built» travertine canals located in the vecinity of the Alicún hydrothermal springs CS Spain) were studied. Two canals are presently functional and their growth patterns have shown that their existences require ... -
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 ... -
Afección del vertedero de residuos sólidos urbanos de La Mina en el acuífero kárstico de Marbella (Málaga)
(Sociedad Geológica de España, 2001)The affection in groundwater by leachate produced in La Mina landfill has been controlled during a 600 days period by means of hydrochemistry monitoring in springs, wells and piezometers. Hydrochemistry diagrams and ... -
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 ... -
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 ... -
La sección Messiniense - Plioceno de Crevillente (Cordillera Bética oriental): expresión de la crisis de salinidad del Mediterráneo
(Sociedad Geológica de España, 2001)A composite stratigraphic section in Crevillente (eastern Betic Cordillera) is studied. It represent a complete stratigraphical and paleontological record of the Messinian and Lower Pliocene. Two discontinuity surfaces ... -
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 ... -
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 ... -
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 ... -
Análisis de respuesta de Fuenmayor (San Julián de Banzo, Huesca). Primeros resultados
(Sociedad Geológica de España, 2001)The hydrologie data of the karstic spring of Fuenmayor (Huesca) the from September til december, 2000, are presented. After the test of some of the classic methods for recession limb, the work focused on the system theory. ... -
Cambios mineralógicos en restos óseos en función de las condiciones de pH del suelo
Nieto Liñán, José Miguel; Nocete Calvo, Francisco; Sáez Ramos, Reinaldo; Franco, Francisco (Sociedad Geológica de España, 2001)
A systematic study of bone mineralogy in IIIrd Millennium BC burials sites from southwest Spain has shown that soil pH play an important role in bone preservation. In acidic soils, the hydroxyapatite of the bone become ... -
Características físico-químicas de las aguas de goteo en las "Galerías Altas" de la Cueva de Nerja (Málaga). Incidencia de los procedimientos de medida
(Sociedad Geológica de España, 2001)The physical-chemical characteristics (temperature, pH and electrical conductivity) of the drip water in the "High Galleries" (non-touristic zone) of the Nerja Cave have been monitored along the 2000 year. The results ... -
Características del manantial de Fuenmayor (San Julián de Banzo, Huesca)
(Sociedad Geológica de España, 2001)The main hidrochemical characteristics of the Fuenmayor spring (San Julian de Banzo, Huesca) are studied during the year 1992. The data point out to a strong inertia of the chemistry and temperature of the water -
Los materiales del tránsito Triásico-Jurásico en la región de Villaviciosa (Asturias, España). Caracterización palinológica
(Sociedad Geológica de España, 2001)A lithostratigraphic and palynologic study of the sediments corresponding to the Triassic-Jurassic transition at the Bárzana section, located in the Villaviciosa region (Asturias), has been carried out. Four lithostratigraphic ... -
Estudio de la orientación preferente de ejes ópticos c de cristales de calcita en microvenas de la Cordillera Ibérica (Cuenca de Los Cameros y Rama Castellana). Nuevas aportaciones a los episodios extensionales de la Cordillera Ibérica
(Sociedad Geológica de España, 2001)The study of c-axes distribution from sparry grains that fill microveins were used to define maximum horizontal extension directions (<j3) in two zones ofiberian Chain (Cameros Basin and Alto Tajo zone, Castellana ... -
Estudio de la calidad de las aguas superficiales en los espacios naturales del sur de las provincias de Salamanca y Avila. Aplicaciones del índice ISQA
(Sociedad Geilógica de España, 2001)The aim of this paper deals with the study of the surface waters quality in the northwestern "Sistema Central" Range (Spain), in two different periods, spring and summer. The area is characterized by the existence of natural ... -
Caracterización hidrológica de la vertiente sur de la Sierra de Gádor (Almería)
(Sociedad Geológica de España, 2001)The instantaneous maximum discharges have been calculated in the different subbasins that integrate the southern edge of Sierra de Gádor (Almería), for diverse return periods. The utilized methodology for the calculation ... -
Procesos de karstíficación polifásica en las canteras de Crema Marfil (Pinoso, Alicante). Aplicación a la explotación de rocas ornamentales
(Sociedad Geológica de España, 2001)Complex speleothem networks have been recognised in the quarries of the commercial marble Crema Marfil (Paleogene limestones, Monte Coto Pinoso, Alicante). The characterisation of these speleothems (mineralogy, petrography, ... -
Técnicas experimentales para el análisis de la actividad bioerosiva de Patella rustica Linnaeus, 1758 (Mollusca; Gastropoda; Patellidae) del litoral rocoso de Mallorca (Mediterráneo occidental)
(Sociedad Geológica de España, 2001)Bioerosion is the biological breakdown of hard substrates by boring, grazing, etchting and abrading organisms. Many marine intertidal gastropods, such as limpets, contribute to the erosion by grazing rock substrate in the ...
