Resultats globals: 54 registres trobats en 0.01 segons.
Articles, 52 registres trobats
Publicacions periòdiques, 1 registres trobats
Documents de recerca, 1 registres trobats
Articles 52 registres trobats  1 - 10següentfinal  anar al registre:
1.
46 p, 356.8 KB Cerro Quema (Azuero Peninsula, Panama) : Geology, Alteration, Mineralization, and Geochronology of a Volcanic Dome-Hosted High-Sulfidation Au-Cu Deposit / Corral, Isaac (Universitat Autònoma de Barcelona. Departament de Geologia) ; Cardellach López, Esteve (Universitat Autònoma de Barcelona. Departament de Geologia) ; Corbella i Cordomí, Mercè (Universitat Autònoma de Barcelona. Departament de Geologia) ; Canals i Sabaté, Àngels (Universitat de Barcelona) ; Gómez-Gras, David (Universitat Autònoma de Barcelona. Departament de Geologia) ; Griera Artigas, Albert (Universitat Autònoma de Barcelona. Departament de Geologia) ; Cosca, Michael A. (Geological Survey (USA))
Cerro Quema (Azuero Peninsula, southwest Panama) is a high-sulfidation epithermal Au-Cu deposit hosted by a dacite dome complex of the Río Quema Formation (late Campanian to Maastrichtian), a fore-arc basin sequence. [...]
2016 - 10.2113/econgeo.111.2.287
Economic Geology, Vol. 111, Issue 2 (March-April 2016) p. 287-310  
2.
18 p, 19.9 MB Meso-Neoproterozoic basic-intermediate mafic granulites (metabasites) from the ∼1 Ga granulitic southwestern Oaxacan complex, Mexico, crustal evolution and phase equilibria modeling / Culí i Verdaguer, Laura (Universitat Autònoma de Barcelona. Departament de Geologia) ; Reche Estrada, Joan (Universitat Autònoma de Barcelona. Departament de Geologia) ; Solé, Jesús (Universidad Nacional Autónoma de México. Instituto de Geología) ; Ortega-Gutiérrez, Fernando (Universidad Nacional Autónoma de México. Instituto de Geología)
The basement of eastern Mexico is made up of Grenvillian granulite-facies metamorphic rocks, which constitute an inferred microcontinent named Oaxaquia. Proto-Oaxaquia oceanic arc reconstructions are related to the transition from Columbia to Rodinia supercontinents (∼1. [...]
2023 - 10.1016/j.lithos.2023.107239
Lithos, Vol. 454-455 (October 2023) , art. 107239  
3.
24 p, 41.2 MB A tool for Zn-Pb MVT exploration by combining C and O isotopes and REE geochemistry of dolomite / Navarro Ciurana, Didac (Universitat Autònoma de Barcelona. Departament de Geologia) ; Corral, Isaac (Universitat Autònoma de Barcelona. Departament de Geologia) ; Corbella i Cordomí, Mercè (Universitat Autònoma de Barcelona. Departament de Geologia)
An exploration guide for Mississippi Valley-type (MVT) deposits is proposed and illustrated in the Riópar area (SE Spain), where extensive dolostone geobodies hosting Zn-(Fe-Pb) MVT mineralization occur. [...]
2023 - 10.1016/j.oregeorev.2023.105405
Ore Geology Reviews, Vol. 156 (May 2023) , art. 105405  
4.
11 p, 1.8 MB Anthropogenic acidification of surface waters drives decreased biogenic calcification in the Mediterranean Sea / Pallacks, Sven (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Ziveri, Patrizia (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Schiebel, Ralf (Max Planck Institute for Chemistry. Department of Climate Geochemistry) ; Vonhof, Hubert (Max Planck Institute for Chemistry. Department of Climate Geochemistry) ; Rae, James (University of St Andrews. School of Earth and Environmental Sciences) ; Littley, Eloise (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Garcia-Orellana, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ; Langer, Gerald (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Grelaud, Michael (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Martrat, Belen (Institut d'Avaluació Ambiental i Recerca de l'Aigua)
Anthropogenic carbon dioxide emissions directly or indirectly drive ocean acidification, warming and enhanced stratification. The combined effects of these processes on marine planktic calcifiers at decadal to centennial timescales are poorly understood. [...]
2023 - 10.1038/s43247-023-00947-7
Communications earth & environment, Vol. 4 (August 2023) , art. 301  
5.
15 p, 9.6 MB Geochemical approach for decoding the paleoenvironmental and depositional evolution of a coastal lacustrine Konservat-Lagerstätte (Early Cretaceous, south-Central Pyrenees) / Gil-Delgado, Alejandro (Universitat Autònoma de Barcelona. Departament de Geologia) ; Cruset, David (Geosciences Barcelona) ; Oms, O (Universitat Autònoma de Barcelona. Departament de Geologia) ; Botero, Edgar (Technische Universitaat Hamburg-Harburg) ; Ibánez-Insa, Jordi (Geosciences Barcelona) ; Delclòs Alió, Xavier (Universitat de Barcelona. Departament de Dinàmica de la Terra i de l'Oceà) ; Sellés, Albert G (Institut Català de Paleontologia Miquel Crusafont) ; Galobart, Àngel (Institut Català de Paleontologia Miquel Crusafont) ; Mercedes Martin, Ramon (Universitat Autònoma de Barcelona. Departament de Geologia)
The lithographic limestone of La Pedrera de Meià (LPM) in south-Central Pyrenees (NE Spain) is considered one of the best preserved lacustrine-coastal successions of the Early Cretaceous in Europe, hosting a taxonomically diverse record of Barremian biota. [...]
2023 - 10.1016/j.sedgeo.2023.106440
Sedimentary geology, Vol. 453 (July 2023) , art. 106440  
6.
17 p, 5.0 MB Allanite in Variscan Post-Collisional Lamprophyre Dykes from Les Guilleries (NE Iberia) as a Part of Rare Earth Elements Recycling in Collisional Orogens / Mellado, Esteban (Universitat Autònoma de Barcelona. Departament de Geologia) ; Corbella i Cordomí, Mercè (Universitat Autònoma de Barcelona. Departament de Geologia) ; Kylander-Clark, Andrew (University of California. Department of Earth Science)
Recent studies of Late Permian calc-alkaline lamprophyre dykes located in the Les Guilleries Paleozoic massif of the Catalan Coastal Range have revealed that allanite is present as the main REE-bearing accessory phase, which is the object of this study. [...]
2022 - 10.3390/min12080954
Minerals, Vol. 12, Issue 8 (August 2022) , art. 954  
7.
11 p, 2.2 MB Stability and nature of the volume collapse of ε-FeO under extreme conditions / Sans, J. A. (Universitat Politècnica de València. Instituto de Diseño para la Fabricación y Producción Automatizada) ; Monteseguro, Virginia (Universitat de València. Institut de Ciència dels Materials) ; Garbarino, G. (European Radiation Synchrotron Facility) ; Gich García, Martí (Institut de Ciència de Materials de Barcelona) ; Cerantola, V. (European Radiation Synchrotron Facility) ; Cuartero, V. (Centro Universitario de la Defensa de Zaragoza) ; Monte, M. (European Radiation Synchrotron Facility) ; Irifune, T. (Tokyo Institute of Technology. Earth-Life Science Institute) ; Muñoz, A. (Universidad de La Laguna. Departamento de Física) ; Popescu, Catalin (ALBA Laboratori de Llum de Sincrotró)
Iron oxides are among the major constituents of the deep Earth's interior. Among them, the epsilon phase of FeO is one of the less studied polymorphs and there is a lack of information about its structural, electronic and magnetic transformations at extreme conditions. [...]
2018 - 10.1038/s41467-018-06966-9
Nature communications, Vol. 9 (November 2018) , art. 4554  
8.
42 p, 12.1 MB Crandallite-rich beds of the Libkovice Member, Most Basin, Czech Republic : climatic extremes or paleogeographic changes at the onset of the Miocene Climatic Optimum? / Mach, Karel (Severočeské doly a.s) ; Rapprich, Vladislav (Czech Geological Survey) ; Faměra, Martin (Institute of Inorganic Chemistry of the Czech Academy of Sciences) ; Havelcová, Martina (Institute of Rock Structure and Mechanics of the Czech Academy of Sciences) ; Grygar, Tomáš Matys (Institute of Inorganic Chemistry of the Czech Academy of Sciences) ; Novotný, Tomáš (Severočeské doly a.s.) ; Řehoř, Michal (Brown Coal Research Institute, Inc.) ; Kochergina, Yulia Erban (Czech Geological Survey)
We describe the occurrence and possible origin of rare beds 1-10cm thick and containing 20-70% of crandallite, a Ca-Al phosphate enriched in Sr and Ba, found within otherwise monotonous clay-rich lacustrine sediments of the Most Basin in the Central-European Neogene Ohře Rift system. [...]
2021 - 10.1344/GeologicaActa2021.19.11
Geologica acta, Vol. 19 (2021) , p. 1-29 (Articles)  
9.
17 p, 2.2 MB Geochemistry of plutons in central Sumatra and their correlation to Southeast Asia tectonic history / Irzon, R. (Center for Geological Survey, Ministry of Energy and Mineral Resources) ; Syafri, I. (Faculty of Geological Engineering, Padjadjan University) ; Suwarna, N. (Geological Agency, Ministry of Energy and Mineral Resources) ; Hutabarat, J. (Faculty of Geological Engineering, Padjadjan University) ; Sendjaja, P. (Center for Geological Survey, Ministry of Energy and Mineral Resources) ; Setiawan, V. E. (Center for Geological Survey, Ministry of Energy and Mineral Resources)
Previous investigations of plutons in Sumatra were focused on age dating with minimum geochemistry composition analysis. The purpose of this study is to define the geochemistry classification of the intrusions in central Sumatra on describing the emplacement mechanism associated with Southeast Asia tectonics. [...]
2021 - 10.1344/GeologicaActa2021.19.9
Geologica acta, Vol. 19 (2021) , p. 1-III (Articles)  
10.
16 p, 897.2 KB The smectite-to-disordered kaolinite transition in a tropical soil chronosequence, Pacific Coast, Costa Rica / Fisher, G. Burch (Dartmouth College. Earth Sciences Department) ; Ryan, Peter C. (Middlebury College. Geology Department)
Soils developed on Quaternary fluvial fill terraces in the humid tropics of Costa Rica display progressive changes in mineral assemblage, chemical composition and particle size with age. Clay minerals from B horizons of active floodplains are predominantly smectite with lesser amounts of disordered kaolinite. [...]
2006 - 10.1346/CCMN.2006.0540504
Clays and Clay Minerals, Vol. 54, Núm. 5 (2006) , p. 571-586  

Articles : 52 registres trobats   1 - 10següentfinal  anar al registre:
Publicacions periòdiques 1 registres trobats  
1.
Clays and clay minerals / Clay Minerals Society
Clays and Clay Minerals aims to present the latest advances in research and technology concerning clays and other fine-grained minerals, including but not limited to areas in agronomy, ceramics, colloid chemistry, crystallography, environmental science, foundry engineering, geochemistry, geology, medicinal chemistry, mineralogy, nanoscience, petroleum engineering, physical chemistry, sedimentology, soil mechanics, and soil science. [...]
Aurora : Clay Minerals Society, [200-?]-
41 documents

Documents de recerca 1 registres trobats  
1.
388 p, 6.9 MB Impacto ambiental de las áreas de minería metálica: Aplicación de metodologías analíticas no destructivas al análisis geoquímico / González Fernández, Óscar ; Queralt Mitjans, Ignasi, dir. ; Cardellach López, Esteve ; Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals
La recerca que es presenta en aquesta tesi se centra en l'aplicació de diferents metodologies de mostreig i de diferents tècniques analítiques per l'estudi dels efectes ambientals de la dispersió de metalls al voltant de zones de mineria metàl·lica abandonada. [...]
La investigación que se presenta en esta tesis se centra en la aplicación de diferentes metodologías de muestreo y de diferentes técnicas analíticas para el estudio de los efectos ambientales de la dispersión de metales alrededor de zonas de minería metálica abandonada. [...]
This thesis is focused on the application of different sampling methodologies and analytical techniques in order to determine the environmental impacts produced by metals' dispersion around abandoned mining zones. [...]

[Barcelona] : Universitat Autònoma de Barcelona, 2015  

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