Mostrando 10 resultados de: 13
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Article(13)
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Journal of Volcanology and Geothermal Research(3)
Earth and Planetary Science Letters(2)
Journal of Petrology(2)
Contributions to Mineralogy and Petrology(1)
International Journal of Environmental Research and Public Health(1)
Artisanal and small gold mining and petroleum production as potential sources of heavy metal contamination in ecuador: A call to action
ArticleAbstract: Mining and petroleum production are the source of many elements and base materials fundamental for oPalabras claves:Artisanal and small gold mining, Contaminant movement, ECUADOR, Environmental risks, Extractive industriesAutores:Bernardo O. Beate, Jose Luis Rivera-Parra, María Belén Ochoa, Ximena DíazFuentes:scopusAdakite-like volcanism of Ecuador: Lower crust magmatic evolution and recycling
ArticleAbstract: In the Northern Andes of Ecuador, a broad Quaternary volcanic arc with significant across-arc geochePalabras claves:Adakite, ECUADOR, Igneous fractionation, Quaternary, radiogenic isotopes, VolcanismAutores:Bernardo O. Beate, Chiaradia M., Fontignie D., Müntener O.Fuentes:scopusGeochemical and petrological constraints on rear-arc magma genesis processes in Ecuador: The Puyo cones and Mera lavas volcanic formations
ArticleAbstract: The Puyo scoria cones and the Mera lava flows, two newly recognized volcanic formations dated betweePalabras claves:absarokite, Andes, ECUADOR, phlogopite, Rear-arc, SubductionAutores:Bernardo O. Beate, Bourdon E., Cotten J., Eissen J.P., Fornari M., Hoffer G.Fuentes:scopusGeodynamic controls on Tertiary arc magmatism in Ecuador: Constraints from U-Pb zircon geochronology of Oligocene-Miocene intrusions and regional age distribution trends
ArticleAbstract: We obtained U-Pb zircon ages of Late Tertiary intrusions in the northern Andes to provide robust timPalabras claves:ECUADOR, Geodynamic evolution, Intrusions, Northern andes, Tertiary arc magmatism, Zircon U-Pb geochronologyAutores:Bernardo O. Beate, Chiaradia M., Schütte P.Fuentes:scopusEnormous and far-reaching debris avalanche deposits from Sangay volcano (Ecuador): Multidisciplinary study and modeling the 30 ka sector collapse
ArticleAbstract: Sangay is one of the most active volcanoes in the world. Its eruptions were first recorded by SpanisPalabras claves:Debris avalanche deposits, ECUADOR, Hummocky morphology, Sangay, VolcFlow modelingAutores:Bernardo O. Beate, Julien Bernard, Patricia A. Mothes, Viviana ValverdeFuentes:googlescopusEnriched basaltic andesites from mid-crustal fractional crystallization, recharge, and assimilation (Pilavo volcano, Western Cordillera of Ecuador)
ArticleAbstract: The origin of andesite is an important issue in petrology because andesite is the main eruptive prodPalabras claves:Andesite, Assimilation, ECUADOR, Fractional crystallization, rechargeAutores:Bernardo O. Beate, Chiaradia M., Müntener O.Fuentes:scopusEffects of aseismic ridge subduction on the geochemistry of frontal arc magmas
ArticleAbstract: Aseismic ridges are variably broad linear topographic features built by submarine volcanic activityPalabras claves:adakite-like, Carnegie ridge, ECUADOR, frontal arc, geochemistry, modellingAutores:Bernardo O. Beate, Chiaradia M., Müntener O.Fuentes:scopusMetallogenic features of Miocene porphyry Cu and porphyry-related mineral deposits in Ecuador revealed by Re-Os, <sup>40</sup>Ar/ <sup>39</sup>Ar, and U-Pb geochronology
ArticleAbstract: Mineralization and alteration events at ten Miocene porphyry Cu and porphyry-related epithermal minePalabras claves:Alteration, ECUADOR, geochronology, Mineral deposits, Mineralization, Miocene metallogenic belt, Porphyry CuAutores:Barra F., Bernardo O. Beate, Chiaradia M., Schütte P., Villagómez-Díaz D.Fuentes:scopusMio-Pliocene adakite generation related to flat subduction in Southern Ecuador: The Quimsacocha volcanic center
ArticleAbstract: New geochemical and geochronological data on the Miocene-Pliocene Quimsacocha volcanic center (QVC)Palabras claves:Andes, ECUADOR, Melts, Miocene-Pliocene, Slabs, Subduction, VolcanismAutores:Bernardo O. Beate, Bourdon E., Cotten J., Eissen J.P., Monzier M., Silva J., Spikings R.A.Fuentes:scopusTungurahua Volcano, Ecuador: Structure, eruptive history and hazards
ArticleAbstract: Tungurahua, one of Ecuador's most active volcanoes, is made up of three volcanic edifices. TungurahuPalabras claves:Andesite magmatism, Derbis avalanche and dam, ECUADOR, Hazards, Magma flux rate, Tungurahua VolcanoAutores:Bernardo O. Beate, Claude Robin, Hall M.L., Monzier M., Patricia A. MothesFuentes:googlescopus