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Browsing by Author "Alonso Gavilán, G."
Now showing items 1-15 of 15
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Barita de neoformación en la Arenisca de Villamayor (Salamanca). Estudio preliminar
(Sociedad Geológica de España, 1997)The barite studied in the Villamayor sandstone is located in old rhizoliths related to subvertical fractures which affect these subarcosic deposits. These zones are actually in great circulation within underground waters ... -
Caracterización hidrogeológica de las unidades litoestratigráficas del Mesozoico y Cenozoico presentes en el subsuelo de Aldealengua (Salamanca)
(Sociedad Geológica de España, 2018)El trabajo que se presenta tiene por objeto la identificación y descripción de los distintos niveles de acuíferos presentes en las unidades litoestratigráficas del Mesozoico y Cenozoico en el subsuelo de Aldealengua ... -
El Neógeno superior del Valle del Souss (Agadir, Sur de Marruecos)
(Sociedad Geológica de España, 2000)The present contribution shows the first approach to the sedimentological and palaeontological characteristics of two representative Upper Neogene sections of the Souss Valley (Agadir, S. of Morocco): Tildi and Ait Aouth, ... -
Estudio estratigráfico y paleogeográfico de la Unidad Informal de San Miguel de Pedroso (Neógeno del Pasillo de Los Montes de Oca, Burgos)
(Sociedad Geológica de España, 1989)The stratigraphy and sedimentology of the San Miguel of Pedroso unit from the Oca's Mountain Corridor (Between Duero Basin and Ebro). Its Palaeogeography during Neogene as well as these materials show important lateral ... -
Malacología, foraminíferos y paleogeografía del Neógeno superior de la Cuenca del Bou-Regreg (Borde occidental del corredor Sur-Rifeño, Marruecos)
(Sociedad Geológica de España, 1996)The molluscs and foraminiferids comunnities of three representatives sections (Dar Bel Amri, Oued Arjat and Salé) of de Upper Neogene of the Bou Regreg Basin are studied. The paleontological results reflected changes in ... -
Nuevas aportaciones al estudio del «siderolítico» (Fm. Areniscas de Salamanca). Borde Oeste de la cuenca del Duero (Zamora)
(2007)The Areniscas de Salamanca Formation, located in the western border of the Duero basin, has been studied by means of the polarized light microscope and the SEM. The study has brought out some interesting remarks: 1) ... -
Ostracofauna y Foraminíferos: implicaciones cronoestratigráficas y paleoambientales durante el Neógeno superior en el área del Oued Arjat (Cuenca de Bou Regreg, Marruecos)
(Sociedad Española de Geología, 2001)In this work we analyze the Ostracofauna and Foraminifers from the Upper Neogene of the Oued Arjat area (Bou Regreg basin, N of Morocco). There is a significative change in paleobathymetry between the lower and the upper ... -
El paleokarst cuaternario de Alcubilla del Marqués (Soria)
(Sociedad Geológica de España, 1990)The paleokarst of Alcubilla del Marqués (Soria) is a portion of karstic building which has been eliminated by erosion. During karstic active stage, carbonatic (stalactite, stalagmite, cave popcorn) and siliciclastic (fluvial ... -
Paleontología y estratigrafía del Plioceno inferior de la cuenca de Asilah (NW de Marruecos)
(Sociedad Geológica de España, 1996)The sedimentology, taphonomy and paleontology (Molluscs and Foraminiferids) of the Pliocene in the Asilah Basin are studied. On the basis of the plankton, a Lower Pliocene age is pointed out for the Basin (co-occurrence ... -
Relleno de canales abandonados en la Formación Areniscas de Cabrerizos (Eoceno, Salamanca)
(Sociedad Geológica de España, 1989)Two models of the channels fills deposits we are identified in the Cabrerizos Sandstone Formation (Eoceno), A): Channel fill associated a slowly abandoned of the system and rapid infilling next active channels and B): ... -
Sedimentación continental miocena entre San Esteban de Gormaz y el Burgo de Osma (Soria)
(Sociedad Geológica de España, 1989)The main of this paper is to describe two units litostratigraphic deposits within miocene formations of the SE Duero Basin. The sediments developed in alluvial fan and palustrine areas display some variety resulting from ... -
Sedimentación en plataforma somera durante el Neoproterozoico. Formación Boque-Serpins (Grupo de las Beiras) en Trevim (Sierra de Lousá, Portugal Central)
(Sociedad Geológica de España, 2000)The metasediments of the Schist-Greywacke Complex (Durico-Beirao Supergroup) of late Neoproterozoic to lower Cambrian age are at present divided in Portugal into Beiras, Douro and Arda-Marofa Groups. In the Sierra de Lousa ... -
Sedimentología de los materiales paleocenos de Zamora
(Sociedad Geológica de España, 1996)Palaeocene materials surrounding Zamora city are studied. From a sedimentologie point of view, they are the sedimentary record of active chanels coming from a western metamorohic area and shallow channels of gravels braided ... -
Tafonomía cuantitativa del yacimiento de Cacela (Tortoniense superior; Algarve, Sur de Portugal)
(Sociedad Geológica de España, 2006)A quantitative taphonomic analysis were performed in the fossil assemblages of the late Tortonian of the lower-mid part of the Cacela Formation (Cacela, Algarve, S Portugal). Taphonomic results, together with sedimentological ... -
La transgresión Ilerdense (calizas de Alveolinas) en la Cuenca de Villarcayo (Burgos)
(Sociedad Geológica de España, 1989)The Villarcayo basin is situated at the NW of Duero Basin and it's incorporated into the Cantabric dominio. The ilerdien transgression is represented for Alveolina Limestone inconformity above transition marine-continental ...
