Thesis Collection
Last Deposit
Geogaceta -- Nº 30, (2001)
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Recent Submissions
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Estructura de Ios mantos superior e inferior del Pedraforca (Pirineos orientales)
(Sociedad Geológica de España, 2001)The Pedraforca nappe is one of the allochtonous structural units in which the Cover Upper thrust sheets of the southern Pyrenees are organised. Its is internally constituted by two thrust sheets, namely Upper Pedraforca ... -
Variaciones del estilo deposicional en el grupo aluvial Scala Dei, Cuenca del Ebro (Provincias de Tarragona y Lleida): Características y significado sedimentológico
(Sociedad Geológica de España, 2001)The Scala Dei Croup, which is composed mainly of conglomerates, is located in the SE sector of the Ebro Basin. Many alluvial fans were developed in this area during the Eocene-Oligocene time span. The clastic materials ... -
Un dinosaurio saurópodo (Titanosauria) en el Cretácico superior de Cubilla, Soria (España)
(Sociedad Geológica de España, 2001)An isolated sauropod vertebra from the Late Cretaceous of Cubilla (Soria, Spain), described originally in 1957 by Lapparent and collaborators, has recently been rediscovered in the collections of the Museum National ... -
The Northeast Alentejo Neoproterozoic-Lower Cambrian succession (Portugal): Implications for regional correlations in the Ossa-Morena Zone (Iberian Massif)
(Sociedad Geológica de España, 2001)The Neoproterozoic-Lower Cambrian succession of the Northeast Alentejo (Portugal) is revised from a stratigraphic perspective in order to propose regional correlations with similar Ossa-Morena Zone domains in Spain. This ... -
Tectonic and environmental controls on platform geometry and facies architecture: The late Aptian-early Albian carbonate episode of the Castro Urdíales platform margin (Cantabria, northern Spain)
(Sociedad Geológica de España, 2001)El episodio carbonatado Aptiense superior-Albiense inferior (Zonas jacobi-tardefurcata) del margen de plataforma de Castro Urdíales registra un aumento gradual del stress paleoambiental acompañado por cambios en el estilo ... -
Señales geoquímicas y micropaleontológicas como marcadores de eventos paleoceanográficos en el Santoniense del Arco Vasco
(Sociedad Geológica de España, 2001)Comparative study of micropalaeontologic (planktonic and benthic foraminifers) and isotopic (8,80 and 5'3C values from inoceramids and whole rock) data from the Santonian of the Barrika section (Basque Arc, northern Spain) ... -
Sedimentologia de la Formación Chenque (Oligoceno-Mioceno) en Comodoro Rivadavia. Argentina
(Sociedad Geológica de España, 2001)The Oligocene-Miocene marine rocks of the San Jorge Basin (Argentine Patagonia) were studied in the proximity ofComodoro Rivadavia. The basal transgression deposited a residual lag composed ofshoreface sediments on the ... -
Rodingitización y formación de pectolita en diques graníticos de las Peridotitas de Ronda (Cordilleras Béticas, España)
(Sociedad Geológica de España, 2001)This work reports the local occurrence of rodingites formed from granitic dykes intrusive in the Ronda Peridotites. Representative mineral assemblages include chlorite, hydrogrossular, and prehnite but also pectolite, and ... -
Reconstrucción paleoambiental del tránsito Cretácico-Terciario en La Lajilla (México) con foraminíferos
(Sociedad Geológica de España, 2001)Upper Maastrichtian and lower Danian sediments belonging to the Méndez and the Velasco formations, respectively, contain abundant foraminifera at La Lajilla section (northeastern México). Foraminifera! turnover across the ... -
Rasgos estructurales de la formación granulítica de alta presión de la Bacariza (Cabo Ortegal, NO España)
(Sociedad Geológica de España, 2001)Heterogeneous ductile deformation occurred in the Bacariza formation coeval with hercynian high-pressure granulite facies metamorphism. Eye and anvil fold structures in YZ structural sections have been identified in several ... -
Resultados de SEM/EDX en morteros de restauración aplicados a areniscas del Eoceno de Gipuzkoa utilizadas en la construcción de edificios
(Sociedad Geológica de España, 2001)The restoration of buildings made of sandstones is a critical problem in the Basque Country, because the wide use of Eocene sandstones that appear as a constructing material very frequently affected by weathering processes. ... -
Restos de elefante (Proboscidea, Mammalia) en el Pleístoceno de Obón (Cordillera Ibérica, Teruel)
(Sociedad Geológica de España, 2001)An elephant tusk has been found in a fluvial terrace of a small creek affluent of the Martin river. The tooth is slightly curved, almost round in section and becomes increasingly smaller towards the tip. The specimens ... -
Problemática de la Formación Las Médulas y sus implicaciones morfotectónicas (El Bierzo y SE de Galicia)
(Sociedad Española de Geología, 2001)The usual ideas about the Cenozoic stratigraphy of El Bierzo Basin are reconsidered in this article, putting up a new chronoestratigraphic interpretation of Las Médulas Formation. The Unit is considered as fluvial in origin ... -
Presencia de una anfibolita derivada de un MORB en el dominio Continental de la banda metamorfica de Aracena (Macizo Ibérico meridional)
Díaz Azpiroz, Manuel; Castro Dorado, Antonio
; Fernández Rodríguez, Carlos (Sociedad Española de Geología, 2001)
The La Corte Amphibolites are a part of the medium grade metamorphic series of the continental domain of the Aracena metamorphic belt (AMB). These amphibolites are rich in iron, as it is deduced from the abundance ofFe-rich ... -
Pliegues eocenos de dirección N-S en el Pirineo occidental
Payros, Aitor; Pujalte, Victoriano; Tosquella Angrill, Josep; Orue Etxebarria, Xabier (Sociedad Española de Geología, 2001)
Several N-S trending folds have been identified in the Eocene strata of the western Pyrenees. Stratigraphical and sedimentological lines of evidence show that they formed from late Ypresian to middle Lutetian times. These ... -
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 ... -
Nuevos datos mineralógicos y texturales de los granates y fases asociadas del Cerro El Hoyazo (Almería)
(Sociedad Española de Geología, 2001)New data from the Cerro El Hoyazo Neogene volcanic complex (Níjar, Almería province, SE Spain) are given, stressing the mineralogical assemblages and textures of garnets and their associate phases. In addition, the ... -
Nuevos datos microestructu rales sobre la existencia de deformaciones precámbricas en la Sierra de la Demanda (Cordillera Ibérica)
(Sociedad Española de Geología, 2001)Microstructural surveying of pebbles of the early Cambrian «Anguiano Conglomerates» permits to recognize a variety of microstructures and textures that resulted from syn-metamorphic (up to 400°C, low-temperature greenschists ... -
Nuevas icnitas de dinosaurios terópodos y saurópodos en Galve y Miravete de la Sierra (Teruel. España)
(Sociedad Española de Geología, 2001)Five new Theropod and Sauropod dinosaur footprint associations (RB, 1.1MV, 1.2MV, 2.1MV, 2.2MV), from three new sites (RB, 1MB, 2MB) in the Teru4l province, have been studied. The Theropod dinosaur footprints from the RB ... -
Nuevos datos bio-cronoestratigráficos para el sector suroccidental de la cuenca del Guadalquivir (Área de Lepe-Ayamonte, Huelva, España)
Muñiz Guinea, Fernando; Mayoral Alfaro, Eduardo; Cáceres Puro, Luis Miguel; Cachão, Mário (Sociedad Española de Geología, 2001)
The paleontological data of the marine neogene sediments in the Lepe-Ayamonte area, Huelva (SW of the Guadalquivir basin) allow to establish a relative chronology from the presence of calcareous nannoplancton and malacofaunes. ...
