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Browsing by Subject "Cambrian"
Now showing items 1-11 of 11
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Comments on the Cambrian biogeography of Spain
(Sociedad Geológica de España, 1987)The Cambrian faunas recorded in the different areas of the Hesperian Massif do not support evidences of a marked biogeographical differentiation in the Iberian Peninsula throughout this Period. The vertical variations shown ... -
El límite Cámbrico-Ordovícico en el sinclinal de la Peña de Francia: Evidencias litológicas, sedimentológicas y geoquímicas
(2009)Several levels of conglomerate cropping out in the Peña de Francia syncline were previously included in the Ordovician basal unit. However, a Lower Cambrian conglomerate can be identified inside, even in the areas where ... -
Estructura del sector de Zafra: implicaciones en la subdivisión de unidades Cámbricas de la Zona de Ossa Morena (ZOM)
(Sociedad Geológica de España, 1997)Detailed geological mapping of the Zafra Sector (central Ossa Morena Zone, ZOM) has shown thé occurrence of a minor synclinal-anticlinal coupled structure compatible with the major structure of the Monesterio Antiform. It ... -
Geoquímica de las micas blancas detríticas de las rocas ediacarenses y cámbricas del Antiforme del Narcea (NO España)
(2006)Detrital minerals provenance studies have become a common tool to decipher paleogeographic scenarios in many orogenic belts. Together with the geochronological single mineral dating, the geochemistry of detrital minerals ... -
Geoquímica de los materiales Pelíticos Cámbricos al Noroeste de Zafra (Badajoz)
(Sociedad Geológica de España, 1996)Cambrian formations from NW of Zafra are composed of pelitic sequences distributed along the Lower Cambrian (LC) up to the Middle-Upper Cambrian (MUC). These sedimentary sequences have a more sandstone component in LC with ... -
Litoestratigrafía de la formación El Hoyo (zona de Ossa-Morena, Macizo Ibérico, España)
(Sociedad Geológica de España, 1999)The El Hoyo Formation js located at the boundary: between the Obejo-Valsequil/o-Puebla de la Reina Domain and the Badajo/.-Córdoba Shear Belt. This serie is composed by quartz-schists and mica-schists, finé grained quartzites, ... -
Los pisos estratigráficos y la paleogeografía del Cámbrico en España: una visión retrospectiva
(Sociedad Geológica de España, 1996)The Cambrian biostratigraphy and chronostratigraphy of the Iberian Peninsula has been studied since the beginning of the past decade by the Spanish Working Croup of the ICCP projects, 29 and 303, followed by palaeogeographical ... -
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 ... -
Presencia de la discontinuidad sárdica en la Zona Cantábrica
(Sociedad Geológica de España, 1988)The «sardic unconformity» (near the Cambrian-Ordovician boundary), ocurring in the middle part of the Armorican Quartzite-Barrios Fm., is for the first time reported in the Cantabrian Zone. A close comparison with the ... -
Realaspis? pradoanus (Verneuil y Barrande) (Trilobita, Cámbrico Inferior): revisión de su material tipo e implicaciones taxonómicas
(Sociedad Geológica de España, 1997)The type specimen ofthe Lower Cambrian (Bilbilian) trilobite «Ellipsocephalus pradoanus» Verneuil & Barrande, 1855 is redescribed and illustrated. It is stored in the Verneuil collection ofthe Claude-Bernard University at ... -
The Cambrian of the Iberian Peninsula. An overview.
Gozalo Gutiérrez, R.; Liñán Guijarro, Eladio; Palacios Medrano, Teodoro; Gámez Vintaned, José Antonio; Mayoral Alfaro, Eduardo
(Institut de Ciències de la Terra "Jaume Almera", 2003-04)
This work is a brief overview of the Cambrian in the Iberian Peninsula, along with an updated review of lithostratigraphic and biostratigraphic data. A Cambrian correlation chart between the different stratigraphical ...
