Browsing Geogaceta -- Nº 21 (1996) by Title
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Afloramiento de icnitas de Titanosauridae en la zona de Fumanya (Maastrichtiense, Pirineo orental): estudio preliminar
(Sociedad Geológico de España, 1996)The Fumanya megatracksite, 20 km north of Berga (Eastern and Southern Pyrenees), is the first known locality which shows titanosaurid footprints. It is the largest known sauropod trackways site from the Late Cretaceous in ... -
Algunos aspectos de la evolución de nitratos en las aguas del acuífero de la Cubeta de Pulpí (Almería)
(Sociedad Geológica de España, 1996)From data of nitrate contents in groundwater obtained during September of 1989 to April of 1992 in fifteen wells of the Cubeta de Pulpi aquifer, its espacial and time-course evolution in the water is studied. The nitrates ... -
Análisis del exceso dé denteilo de las aguas subterráneas al sureste de Sierra Nevada (Almería)
(Sociedad Geológica de España, 1996)The anafyàis of thé deuteriúrri excess values found in samples from 43 springs and wells to the southeast of Sierra Nevada shows: (a) a relatively scarce seasonal variability, when compared to the precipitation data, and ... -
Análisis estadístico de caudales de crecida para la subcuenca EI Burguillo (río Alberche, Cuenca del Tajo)
(Sociedad Geológica de España, 1996)A statistical analysis of flood discharges has been carried out in the ÈÏ Burguillo subbasin (Alberche River, Tajo Basin, Centrai Spain), using parametric methods with only local data. Three series of peak discharges and ... -
Aportaciones de los ostrácodos a la evolución del canal mareal Domingo Rubio (Río Tinto, SW España)
(Sociedad Geológica de España, 1996)The ostracofaune of nine cores collected in the Domingo Rubio tidal channel shows evidences of four stages during the Ho/ocene filling: a) open bay; b) central barrier and two tidal channels; c) one tidal channel very ... -
Astronomical cyclicity and sapropels in the pre-evaporitic Messinian of the Sorbas basin (Western Mediterranean)
(Sociedad Geológica de España, 1996)A high resolution study of the Messinian pre-evaporitic maris of the Sorbas basin was carried out with the main object of analysing the high frequency cyclicity identified in this basin, in the lower part of the succession, ... -
Bioestratigrafía y evolución de Microtus brecciensis en los yacimientos del Pleistoceno de Atapuerca (Burgos, España)
(Sociedad Geológica de España, 1996)The stratìgraphic correlation and the chronometricals datums obtained in the levels from the karstic fillings of Atapuerca, enable us to see a paleontologie record of Microtus brecciensis since last episodes of Lower ... -
Cálculo hidrometeorológico de caudales de avenida para la subcuenca de El Burguillo (río Alberche, Cuenca del Tajo)
(Sociedad Geológica de España, 1996)A hydrometeorological study o f flood discharges has been carried out in the El Burguillo subbasin (Alberche River, Tajo Basin, Central Spain), using the Temez's modification of the rational method and the Sherman's ... -
Cambios morfológicos y tasas recientes de erosión-depósito en la costa atlántica oriental de Huelva (España)
(Sociedad Geológica de España, 1996)Following the maximum Flandrían Transgression (6,900 yr. B.R), the original coastline, with wide promontories and estuaries, underwent considerable straightening out. This was due mainly to the intense littoral dynamics, ... -
Características composícionales y procesos de evolución magmàtica en el Complejo Volcánico Central (I y II) de Fuerteventura (Islas Canarias)
(Sociedad Geológica de España, 1996)The Central Volcanic Complex / (CVC-I) consists mainly of mildly alkaline basalts, many of them ankaramitic. The compositional differences observed are explained by fractionation and extraction (rates between 20% and 30%) ... -
Consideraciones sobre la didáctica de las reconstrucciones paleoecológicas y su problemática en la Educación Secundaria
(Sociedad Geológica de España, 1996)This work is an analysis of Ceo/ogy and Biology text for high school ofpaleoecologycal reconstruction, and it is included a conceptual map to make the sequence contents in the design of didactical units in order to approach ... -
Consideraciones sobre la evolución hidrogeoquímica del acuífero de la Cubeta de Pulpí (Almería) en relación con su explotación
(Sociedad Geológica de España, 1996)The groundwater mining of the Cubeta de Pul pi aquifer has resulted in the progressive deterioration of water quality, with depletion in groundwater table and particularly significant increases in sulphate, doride, calcium ... -
Consideraciones sobre las aguas termommerales del acuífero del Cabero d'Or (Alicante)
(Sociedad Geológica de España, 1996)The principal physico-chemical characteristics of some thermomineral waters of Cabego d'Or aquifer are studied. The waters have a temperature between 27-38 °C and they are calcium-sulphate type. The high concentrations of ... -
Controles composicionales, diagenéticos y de microfábrica sobre las características de la roca madre jurásica del petróleo del Campo de Salam (Western Desert, Egipto)
(Sociedad Geológica de España, 1996)Petrographic, mineralógica! (XRD), bulk geochemical (TEM, SEM and BSE) andpetrophysical analysis of selected shales, siltstones, coaly shales and coals from Jurassic Khatatba Fm. and Cretaceous Alam El Bueib (AEB) Fm. in ... -
Distribución de facies recientes en los fondos de la Bahía de Cádiz
(Sociedad Geológica de España, 1996)Thè distribution of fàcies in thè bottoms ofthe Bay of Cadiz is studied in a preliminary phase of a wider study about the sedimentary èxchange between the continent and continental margin. Two sectors are distinguished, ... -
Distribución de minerales pesados en los sedimentos de la plataforma continental de Cádiz
(Sociedad Geológica de España, 1996)The heavy minera!, distribution on recent sediments of continental shelf of Cadiz; shows great relation with the granulómetric distribution, -source areas, hydrodynamic behavior grains and the depositlonal regimen. Ultrastable ... -
Dominios y facies deposicionales estuarinos de la desembocadura del Río Tinto (Huelva, España)
(Sociedad Geológica de España, 1996)Two estuarìne domains were distinguished in the inner mesbtidai estuary of the tinto River (S. W. Spain): central and fluvial domains; the former being subdivided into lower and upper domains. Coring and vi braco ring ofthe ... -
Dos nuevos yacimientos con graptolitos silúricos en la región de Alange (Badajoz)
(Sociedad Geológica de España, 1996)Two new fossil localities yielding graptolites of the, (undgreni and leintwardinensis biozones (early Homerian and basal Lùdfordiàn, respectively) are studied from the Al an gè region, which lies on the southernmost part ... -
El límite Cretácico/Terciario con foraminíferos planctónicos en Osinaga y Músquiz (Navarra, Pirineos)
(Sociedad Geológica de España, 1996)High resolution planktic foraminiferal biostratigraphy across the K/T boundary at Osinaga and Musquiz (Navarre, Pyrenees) allows us to recognise a small hiatus located just at the boundary. The hiatus affects the uppermost ... -
Elementos trazadores de procesos urbanos: el caso de la plata
(Sociedad Geológica de España, 1996)As part of a wider effort to characterise the origin and pattern of distribution of trace elements in urban environments, a sampling campaign of soils, sewage sludge from municipal waste water treatment plants, and composted ...