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Now showing items 91-110 of 118
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Raw material procurement and selection in Southeast Iberia’s early metallurgy
Murillo Barroso, Mercedes; Montero Ruiz, Ignacio; Camalich Massieu, M.ª Dolores; Nieto Liñán, José Miguel
(CSIC, 2020-06)
The role of metallurgy in the Copper Age communities of the Iberian Southeast is a recurrent question of archaeological research in western Europe. Based on lead isotope and trace element analyses of archaeometallurgical ... -
Relaciones 87Sr/86Sr de rocas básicas y granitoides del batolito de la Sierra Norte de Sevilla
Rosa Díaz, Jesús de la; Rogers, Graeme; Castro Dorado, Antonio (Sociedad Geológica de España, 1993)
El batolito de la Sierra Norte de Sevilla constituye el afloramiento de rocas plutónicas y subvolcánicas más externo del Macizo Ibérico, intruyendo en materiales metasedimentarios y volcá¬nicos de la Zona Surportuguesa. ... -
Las relaciones centro/periferia en el Valle del Guadalquivir del III milenio ANE : La circulación de hojas de caliza oolítica silicificada
Nocete Calvo, Francisco; Sáez Ramos, Reinaldo; Cabrero García, Rosario; Nieto Caldera, José María; Cruz-Auñón Briones, Rosario (Universidad de La Laguna: Departamento de Prehistoria, Antropología e Historia Antigua, 2005-12)
Este estudio presenta una interpretación, en términos de relaciones centro-periferia, por medio de un análisis petrológico, morfométrico, espacial y contextual de las hojas de caliza oolítica silicificada documentadas ... -
Relaciones de fases del gneis Ollo de Sapo en la región supersólidus y sus implicaciones en la génesis de los leucogranitos peralumínicos de Galicia
Castro Dorado, Antonio; Corretgé Castañón, Luis Guillermo (Universidade da Coruña: Instituto Universitario de Geología, 2000-12)
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Rocas plutónicas híbridas y mecanismos de hibridación en el Macizo Ibérico Hercínico
Castro Dorado, Antonio; Moreno-Ventas Bravo, Ignacio; Rosa Díaz, Jesús de la (Instituto Geológico y Minero de España, 1994)
Rocas plutónicas híbridas, en las que pueden identificarse componentes corticales y mantéUcos, constituyen gran parte del magmatismo Hercínico del Macizo Ibérico. Las rocas estudiadas en este trabajo proceden de tres ... -
Role of arsenic during the aging of Acid Mine Drainage precipitates
Cruz Hernández, Pablo; Pérez López, Rafael; Nieto Liñán, José Miguel (Elsevier, 2017)
Iron-rich sediments cover the riverbeds affected by acid mine drainage (AMD) resulting from sulfide mineral oxidation. Precipitates are mainly composed of schwertmannite, which is a poorly-crystalline Fe-oxyhydroxysulfate ... -
The seismic crustal structure of the Ossa-Morena zone and its geological interpretation
Simancas Cabrera, J. F.; Carbonell, R.; González Lodeiro, Francisco; Pérez Estaún, A.; Juhlin, C.; Ayarza, P.; Azor, A.; Martínez Poyatos, D.; Ruiz de Almodóvar Sel, Gabriel; Pascual Martínez, Emilio; Sáez Ramos, Reinaldo; Kashubin, A.; Alonso Chaves, Francisco Manuel; Álvarez Marrón, J.; Bohoyo, Fernando; Castillo, S.; Donaire Romero, Teodosio; Expósito, Inmaculada; Flecha, I.; Galadí, E.; Galindo Zaldívar, Jesús; González Barrionuevo, Felipe; González Cuadra, P.; Macías, I.; Martí, D.; Martín, A.; Martín Parra, L. M.; Nieto Liñán, José Miguel; Palm, H.; Ruano, Patricia; Ruiz, M.; Toscano Grande, Antonio (Universidad Complutense de Madrid, 2004)
The IBERSEIS deep reflection seismic experiment has provided a crustal image of the Variscan orogen of southwest Iberia. A brief presentation of the entire seismic profile is given, and then the Ossa-Morena Zone (OMZ) and ... -
Significance of MORB-derived Amphibolites from the Aracena Metamorphic Belt, Southwest Spain
Castro Dorado, Antonio; Fernández Rodríguez, Carlos; Rosa Díaz, Jesús de la; Moreno-Ventas Bravo, Ignacio; Rogers, Graeme (Oxford University Press, 1996)
The Aracena metamorphic belt, in the southwest Iberian Massif, is characterized by the presence of MORB-derived amphibolites and continental rocks deformed and metamorphosed during the Hercynian orogeny. Geochemical ... -
Size distribution and chemical composition of metalliferous stack emissions in the San Roque petroleum refinery complex, southern Spain
Sánchez de la Campa Verdona, Ana María; Moreno, T.; Rosa Díaz, Jesús de la; Alastuey Urós, José Andrés; Querol, X. (Elsevier, 2011-06)
We demonstrate that there is great variation in the size range and chemical composition of metalliferous particulate matter (PM) present within petrochemical complex chimney stacks. Cascade impactor PM samples from seven ... -
Sólidus anhidro para anfibolitas en el rango de 4 a 14 kbar
López Aparicio, Susana; Castro Dorado, Antonio (Universidade da Coruña: Instituto Universitario de Geología, 2000-12)
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A study on the relationship between mass concentrations, chemistry and number size distribution of urban fine aerosols in Milan, Barcelona and London
Rodríguez González, Sergio; Van Dingenen, R.; Putaud, J.-P.; Dell’Acqua, A.; Pey, J.; Querol, X.; Alastuey Urós, José Andrés; Chenery, S.; Ho, K.-F.; Harrison, R.; Tardivo, R.; Scarnato, B.; Gemelli, V. (European Geosciences Union, 2007)
A physicochemical characterization, including aerosol number size distribution, chemical composition and mass concentrations, of the urban fine aerosol captured in MILAN, BARCELONA and LONDON is presented in this article. ... -
Subduction of young oceanic plates : a numerical study with application to aborted thermal‐chemical plumes
Blanco Quintero, Idael Francisco; Gerya, Taras V.; García Casco, Antonio; Castro Dorado, Antonio (American Geophysical Union, 2011)
We investigated numerical models of initiation and subsequent evolution of subduction of young (10-30 Myr) oceanic lithosphere. Systematic numerical experiments were carried out by varying the age of the subducting plate ... -
Supergene enrichment of precious metals by natural amalgamation in the Las Cruces weathering profile (Iberian Pyrite Belt, SW Spain)
Yesares Ortiz, María Dolores; Sáez Ramos, Reinaldo; Nieto Liñán, José Miguel; Ruiz de Almodovar Sel, Gabriel; Cooper, Stephen (Elsevier, 2014)
Natural Au–Ag–Hg alloys occur in the Las Cruces ore deposit, in the eastern part of the Iberian Pyrite Belt. They are mainly concentrated in the lower part of the gossan profile including a sheared black shale level where ... -
Taller de elaboración de pieles de laca en la enseñanza de Sedimentología
Morales González, Juan Antonio; Borrego Flores, José (Asociación Española para la Enseñanza de las Ciencias de la Tierra (AEPECT), 2012)
El presente trabajo presenta el proceso técnico para la elaboración de una piel de laca sobre un perfil de sedimento en el medio natural o en testigos en caja. Estas pieles de laca son reproducciones fieles del original ... -
Temperature- and H-NS-Dependent Regulation of a Plasmid-Encoded Virulence Operon Expressing Escherichia coli Hemolysin
Madrid, Cristina; Nieto Liñán, José Miguel; Paytubi, Sònia; Falconi, Maurizio; Gualerzi, Claudio O.; Juárez, Antonio (American Society for Microbiology, 2002-09)
Proteins H-NS and Hha form a nucleoprotein complex that modulates expression of the thermoregulated hly operon of Escherichia coli. We have been able to identify two H-NS binding sites in the hly regulatory region. One ... -
The Betic Ophiolites and the Mesozoic Evolution of the Western Tethys
Puga, Encarnación; Díaz de Federico, Antonio; Fanning, C. M.; Nieto Liñán, José Miguel; Rodríguez Martínez Conde, José Ángel; Díaz Puga, Miguel Ángel; Lozano, José Antonio; Bianchini, Gianluca; Natali, Claudio; Beccaluva, Luigi (MDPI, 2017)
The Betic Ophiolites consist of numerous tectonic slices, metric to kilometric in size, of eclogitized mafic and ultramafic rocks associated to oceanic metasediments, deriving from the Betic oceanic domain. The outcrop ... -
The Evolution of Pollutant Concentrations in a River Severely Affected by Acid Mine Drainage: Río Tinto (SW Spain)
Olías Álvarez, Manuel; Ruiz Cánovas, Carlos; Macías Suárez, Francisco; Basallote Sánchez, María Dolores; Nieto Liñán, José Miguel (MDPI, 2020-06)
The Río Tinto, located in the Iberian Pyrite Belt (SW Spain), constitutes an extreme case of pollution by acid mine drainage. Mining in the area dates back to the Copper Age, although large-scale mining of massive sulfide ... -
Las tonalitas ocelares del Batolito de la Sierra Norte de Sevilla. Implicaciones en mezclas de magmas
Rosa Díaz, Jesús de la; Castro Dorado, Antonio (Universidade da Coruña: Instituto Universitario de Geología, 1991-12)
El Batolito de la Sierra Norte de Sevilla se caracteriza por la presencia de cuerpos kilométricos alternantes de composición gabro-dioritica y granítica, siendo fre¬cuente la existencia en los contactos entre ambos de zonas ... -
Top-down structures of mafic enclaves within the Valle Fértil magmatic complex (Early Ordovician, San Juan, Argentina)
Castro Dorado, Antonio; Otamendi, Juan E.; Pinotti, Lucio P.; D’Eramo, Fernando J.; Vujovich, Graciela I.; Tibaldi, Alina M. (Institut de Ciències de la Terra "Jaume Almera", 2008-09)
Magmatic structures related to the mechanical interaction between mafic magmas and granitoids have been studied in the Valle Fértil calc-alkaline igneous complex, Argentina. Excepcional outcrops with vertical walls of more ... -
Transgressive sequences on foreland margins : a cause studie of the neogene central Guadalquivir basin, southern Spain
Pendón Martín, José Gabriel; Ruiz Muñoz, Francisco; Abad de los Santos, Manuel; González-Regalado Montero, María Luz; Baceta, Juan Ignacio; Tosquella Angrill, Josep (Università degli Studi di Milano, 2004-07)
The Guadalquivir foreland basin, located between the Iberian basement northward and the Betic orogen to the South, repre¬sents the western sector of the earlier foredeep basin of the Betic Cor¬dillera. Along the northern ...
