Browsing Geogaceta -- Nº 23, (1997) by Title
Now showing items 1-20 of 45
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Algunas consideraciones sobre la hidrogeoquímica del acuífero Martil-Alila (Tetuán, Marruecos)
(Sociedad Geológica de España, 1997)From data obtained in different wells of the Martil-Alila aquifer, the principal physicochemical characteristics of groundwater are studied. The origin of ions has a direct relationship with the dissolution of the aquifer ... -
Algunos aspectos de la hidroquímica del sistema acuífero Botucatú (Cuenca del Paraná, Estado de Sáo Paulo, Brasil)
(Sociedad Geológica de España, 1997)The principal hydrochemical features of the Botucatú aquifer system in Sao Paulo State - SE Brasil - was studied from 67 groundwater chemical analysis. Westward, in the Botucatú aquifer system the progressive confining ... -
Análisis cinemático de cortes de carreteras en la Sierra Madre Oriental, Noreste de México
(Sociedad Geológica de España, 1997)The present work is the documentation, utilization and application of a method for the kinematic study of problems related to slope stability along the La Palma-Rayones road. The orientation of the road is more or less ... -
Análisis de curvas de agotamiento en dos ríos de Sierra Nevada (Granada; España)
(Sociedad Geológica de España, 1997)We analyze the recession periods for 1 0 hydrologic years, in Monachil (Diéchar station) and Dilar (electric power station) rivers; they are located on the western part of Sierra Nevada. The area studied is mainly composed ... -
Análisis estructural del flanco norte del anticlinorio de Bilbao en la transversal de La Reineta-Urioste (Vizcaya)
(Sociedad Geológica de España, 1997)The Punta Lucero and Sol faults are longitudinal NW-SE accidents located on the northeastern flank of the Bilbao anticlinorium at its northwestern sector. Mesostructural analysis on both elements reflects compresive ... -
Aplicación del análisis espectral para la separación regionalresidual de anomalías gravimétricas y aeromagnéticas en el SO del Macizo Ibérico
(Sociedad Geológica de España, 1997)In this paper we present a method to separate anomalies corresponding to bodies at different depths, that is, a method to distinguish between regional and residual anomalies. This method is based on spectral analysis of ... -
Casiano de Prado (1797-1866), pionero de la Prehistoria Española
(Sociedad Geológica de España, 1997)Casiano de Prado is one of the most relevant figures of the Spanish Prehistory of the nineteenth century. He was first in our country who accomplished research in Prehistory studies. Due to his research, this Spanish mine ... -
Casiano de Prado, un pionero en la exploración de los Picos de Europa
(Sociedad Geológica de España, 1997)Casiano de Prado, an outstanding geologist and engineer of the XIX century, paid a number of contributions to the Spanish sciences that are to be remembered this year, on the occasion of the second centenary of his birth. ... -
Condiciones de surgencia en una cuenca esquistosa de alta montaña (Sierra Nevada; Granada, España)
(Sociedad Geológica de España, 1997)We analyzed the main factors influencing springs in the upper part of the Dilar valley (more than 2.200 m above sea level), at the heart of the metamorphic domain of Sierra Nevada (internal zone of Betic Range). We studied ... -
Consideraciones sobre las aguas termales de la región de Rharb-Sais (Marruecos)
(Sociedad Geológica de España, 1997)The principal physico-chemical characteristics of some thermomineral waters of Rharb-Sais region (Morocco) are studied. The waters have a temperature between 24-40 °C and they are mainly chlorine-sodium type. The high ... -
Determinación de la dirección de inyección filoniana, mediante el análisis de la anisotropia de la susceptibilidad magnética (ASM)
(Sociedad Geológica de España, 1997)The AMS thecnique allow us to make a quick and precise determination of the magmatic flow plane and the magmatic flow direction, inside dykes and in their igneous host rock. Once calculated, the existing relationships ... -
Determinación de la erosión en la Cuenca del Segura a partir de los sedimentos acumulados en sus embalses
(Sociedad Geológica de España, 1997)Bathymmetrícal surveys and sedimentological studies have been carried out in 12 reservoirs located in the Segura Basin (Southeast part of Spain). These, reservoirs posses 81% of the total storage capacity of the Segura ... -
El inicio de la polémica sobre los sufijos utilizados para denominar los «terrenos»: -ano versus -ico o Casiano de Prado versus Juan Vilanova
(Sociedad Geológica de España, 1997)One of the most important geological controversies during the 19th century in Spain was the use of the «ter'ranes» suffixes. These suffixes were tréatedin different ways by several authors, for instance the discussion ... -
Estimación de las paleovelocidades y sentidos de circulación del agua en el karst donde se emplaza el yacimiento arqueológico de la sierra de Atapuerca (Burgos)
(Sociedad Geológica de España, 1997)Flowing water in caves frequently forms dissolution patterns, called scallops, on limestone surfaces. Past flow direction can be indicated using that scallops. And, more recently, it has been known that information about ... -
Estudio de los filosilicatos de la «Piedra Bateig» (Neógeno de la provincia de Alicante)
(Sociedad Geológica de España, 1997)Bateig Stone is a Middle-Late Miocene allochemical calcareous rocks of the Prebetic Zone. It is an historical building rock named Novelda Stone and an ornamental stone to day. The phyllosilicates of five varieties of Piedra ... -
Estudios geológicos preliminares para el desarrollo de recursos hídricos con fines de abastecimiento de agua potable de Monterrey en la Sierra de Higueras, Nuevo León, NE-México
(Sociedad Geológica de España, 1997)Located some 40 km northeast of the city of Monterrey, the Sierra Higueras represents one of the most outstanding morphological features within the foreland of the Sierra Madre Oriental. Due to an increasing demand for ... -
Explotación minera de los hierros de Villaodrid-A Pontenova (Lugo, NO de España)
(Sociedad Geológica de España, 1997)In the context of iron mining and the steel industry in Galicia, different observations on the mining exploitations in Villaodrid (Lugo province, NW Spain) and the surroundings are carried out. These observations come with ... -
Geochemical characteristics of the Cadalso-Casillas de Flores Complex (Sierra de Gata). A late Hercynian peraluminous high phosphorus granite
(Sociedad Geológica de España, 1997)The Cadalso-Casillas de Flores granitic complex is a peraluminous, phosphorus rich, late-hercynian epizonal granite. It is composed of six major units representing two different intrusions, where four of the units belong ... -
Geometría de las fallas inversas de la zona de Sepulveda (borde norte del Sistema Central) a partir de modelos de pliegues de propagación de falla
(Sociedad Geológica de España, 1997)Deep geometry of two reverse faults, that originate monoclinal folds on the overlaying sedimentary cover, has been carried out from mapping and field data in the Sepulveda area (Spanish Central System northern border). Two ... -
Inquietudes literarias de Casiano de Prado
(Sociedad Geológica de España, 1997)The literary inclinations of Casiano de Prado (1797-1866), one of the outstanding Spanish mining engineers and geologists of the period, are shown in this paper. Prado was a friend and devotee of some of the most celebrated ...