Thesis Collection
Last Deposit
Browsing Geogaceta -- Nº 34, (2003) by Title
Now showing items 1-20 of 53
-
Análisis estructural de los surcos periféricos del diapiro de Murguía (Alava, Cuenca Vasco-Cantábrica)
(Sociedad Geológica de España, 2003)Structural analysis of the eastern sector of the Murguia diapir permits to disclose and map a number of geological structures related to the middle to late Cretaceous evolution of the diapir. These structures, not described ... -
Análisis microfaunístico del Cenomaniense de Arceniega (Cuenca Navarro-Cántabra)
(Sociedad Geológica de España, 2003)The analysis of calcareous micro fauna (foraminifers, ostracods) of the Arceniega Formation allows to decipher different phases on the palaeoenvironmental evolution of this part of the Navarro-Cantabrian Basin during the ... -
Análisis por cromatografía de gases de rocas albienses (Flysch Negro) de la Región Vasco-Cantábrica
(Sociedad Geológica de España, 2003)The Black Flysch Croup is a basically siliciclastic unit, constituted by thick turbiditic series of Middle Albian-Lower Cenomanian age, that were deposited in deep ocean environments from the pyrenaic domain. Using gas ... -
Aportaciones a la geoquímica de rocas básicas cámbricas de la Antiforma de Monesterio (zona de Ossa-Morena)
(Sociedad Geológica de España, 2003)Basic volcanic and subvolcanic rocks have been geochemically studied to provide new evidence for the location of the axis of the Cambrian rift of the Ossa-Morena Zone. The results of the analysis of various subvolcanic ... -
Biomarcadores, flora y fauna de la base de la serie de Venta Micena (Orce, Granada). Información paleoambiental
(Sociedad Geológica de España, 2003)The information provided by thè biomarkers extracted from the sediments recovered in the bottom of Venta Micena stratigraphic section, together with pollen data and supported by studies about its fauna (ostracodes and ... -
The calciclastic members of the Eocene Anotz Formation (Navarre, W Pyrenees): example of resedimentation processes in carbonate ramp slopes
(Sociedad Geológica de España, 2003)The four calciclastic members of the Lower-Middle Eocene Anotz Formation in the western Pyrenees, considered by some previous authors of shallow-marine origin because of their large size, massive appearance and abundant ... -
Ciclo de transgresión-regresión en los depósitos costeros de la Unidad de Olleros de Paredes Rubias (Albiense superior, Páramo de La Lora, Palencia)
(Sociedad Geológica de España, 2003)The Olleros de Paredes Rubias succesion was attributed to a transitional marine-continental environment. A detailed study of the lower part of that succesion has shown several subenvironments of the shore-zone (lagoon, ... -
Condiciones P - T de emplazamiento del batolito de Nisa-alburquerque
(Sociedad Geológica de España, 2003)The Nisa-Alburquerque batholith (294 ±77 Ma) is composed of S-type granites and small stocks of l-type granitoids. The batholith was emplaced into a variety of country rocks (metasediments and metaigneous lithologies) of ... -
Conferencia. Rudistas: estrategias de crecimiento, período vital y respuesta diagenètica
(Sociedad Geológica de España, 2003)Quisiera que la publicación de esta conferencia sea un sentido homenaje a nuestro compañero Patxi Larrea Bilbao, no sólo por parte de quien escribe estas lineas, sino también de todos sus compañeros de la Sección de Geología ... -
Costras carbonatadas en la sucesión aluvial distal eocena de la Formación Hamada de Boudenib II al sur del Alto Atlas (Marruecos)
(Sociedad Geológica de España, 2003)On the southern edge of the High Atlas Mountains of Morocco, the Tertiary continental deposits form extensive tablelands, the so-called "Hamada", in the Boudenib area. Two units have been defined in' the Paleogene: a Lower ... -
Datos paleoceanográficos aportados por los foraminíferos de la sección de Barríka (Santoniense del Arco Vasco)
(Sociedad Geológica de España, 2003)Analyses carried out on benthonic foraminiferal assemblages of the Barrika section (Basque Arc) are part of a multidisciplinary research with the main subject of understanding the palaeoceanographic events that took place ... -
Determinación de las variaciones de la temperatura del agua marina en el Lías en la Cuenca Vasco-Cantábrica mediante la utilización de parámetros geoquímicos (8180, Mg/Ca, Sr/Ca)
(Sociedad Geológica de España, 2003)Early Jurassic (Lias) seawater paleotemperatures were determined through analysis of the oxygen isotopic composition of unaltered low-Mg calcitic belemnite rostras from the Basque Cantabrian basin, an area critically located ... -
Dispositivo sedimentario desarrollado en la Cuenca de Gallocanta a lo largo del Holoceno. Cordillera Ibérica. Ne España
(Sociedad Geológica de España, 2003)The interpretation of the vertical evolution of the sedimentary deposit from Gallocanta lake has allowed to differentiate three sedimentary stages in the general sequence evolution. The depositional system consists of ... -
Edad de los términos basales del Cretácico Superior de la Depresión Intermedia (Pirineos occidentales, Nafarroa)
(Sociedad Geológica de España, 2003)The age of Upper Cretaceous basal sediments of the Central Depression (Western Pyrenees) has been considered to range from Cenomanian to Santonian according to previous authors. Newly studied samples show 3 planktonic ... -
El abanico imbricado de Valverde del Camino (parte meridional de la Zona Sudportuguesa, Huelva)
Mantero Cuajares, Macarena; Alonso Chaves, Francisco Manuel
; Azor, A. (Sociedad Geológica de España, 2003)
The South Portuguese Zone is a foreland affected by a thin-skinned tectonics characterized by SSW-vergent thrust-and-folds developed in Carboniferous times as a consequence of the Variscan collision. In the Valverde del ... -
Estructura del pluton sincinematico de Lys (Zona Axial del Pirineo)
(Sociedad Geológica de España, 2003)From the structural study (using field, microstructural and anisotropy of magnetic susceptibility data) of the central traverse across the Lys pluton (Pyrenean Axial Zone), w'e propose that the emplacement of this pluton ... -
Estudio de la composición isotópica del Pb en galenas del distrito minero de Linares-La Carolina (Jaén, España)
(Sociedad Geológica de España, 2003)New lead Isotope results for twenty-four galenas of the Linares-La Carolina mining district (Jaén, Spain) are reported. While two.mineralization types, one near Linares (where filons with low Ag content crosscut the Linares ... -
Estudio de las fábricas magnéticas y del magnetismo de las rocas en los plutones de Sotillo y Ribadelago (Sanabria, Zamora)
(Sociedad Geológica de España, 2003)Magnetic fabric and rock magnetism studies were performed in 14 samples of the Ribadelago and Sotillo plutons (Iberian Variscan belt, NW Spain). These heterogeneous granitoids are composed by granodiorites, tonalités, ... -
Estudio preliminar de la carga de contaminantes transportada por el rio Odiel
Miguel Sarmiento, Aguasanta; Nieto Liñán, José Miguel (Sociedad Geológica de España, 2003)
The Odiel river drains the central part of the Iberian Pyrite Belt, one of the oldest and most important sulphide mining districts of the world. As a consequence of a long mining history, large amounts of sulphides and ... -
Estudio sedimentológico de la sucesión con nuevos niveles de vertebrados fósiles del Mioceno inferior de Lardero (La Rioja)
(Sociedad Geológica de España, 2003)In the Lardero continental outcrops (Ebro Basin) interesting fossil vertebrate layers have appeared that are included in the biozone Z of the Ramblian (MN2b-MN3). The sedimentary succession has been interpreted as an ...
