Mostrando 6 resultados de: 6
Filtros aplicados
Subtipo de publicación
Article(6)
Publisher
Bulletin of Volcanology(3)
Journal of Volcanology and Geothermal Research(2)
Quaternary Geochronology(1)
Área temáticas
Geología, hidrología, meteorología(3)
Ciencias de la Tierra de América del Sur(1)
Ciencias de la tierra(1)
Petrología(1)
Química y ciencias afines(1)
Conduit processes in crystal-rich dacitic magma and implications for eruptive cycles at Guagua Pichincha volcano, Ecuador
ArticleAbstract: Abstract: Stratovolcanoes are commonly characterised by cyclic eruptive activity marked by transitioPalabras claves:Degassing, Dome-forming eruption, Effusive-explosive transition, Eruptive cycles, GUAGUA PICHINCHA, Percolation model, Plinian eruption, Textural analysisAutores:Cáceres F., Cimarelli C., Colombier M., Dingwell D.B., Heap M.J., Julien Bernard, LePennec J.L., Pablo Samaniego Ponce, Vasseur J., Wright H.M.N.Fuentes:googlescopusGlass shard K-Ar dating of the Chalupas caldera major eruption: Main Pleistocene stratigraphic marker of the Ecuadorian volcanic arc
ArticleAbstract: New K-Ar ages obtained on juvenile pumice glass shards indicate that the Chalupas ignimbrite, one ofPalabras claves:Chalupas, ECUADOR, Glass shards, Ignimbrite eruption, K-Ar datingAutores:Bablon M., LePennec J.L., Liorzou C., Nouet J., Pablo Samaniego Ponce, Quidelleur X., Santiago Santamaría, Siani G., Silvana HidalgoFuentes:scopusIdentifying potentially active volcanoes in the Andes: Radiometric evidence for late Pleistocene-early Holocene eruptions at Volcán Imbabura, Ecuador
ArticleAbstract: Recent eruptions from volcanoes with no previously known historical activity in Chile and IndonesiaPalabras claves:Active volcanoes, ECUADOR, Imbabura volcano, Radiometric datingAutores:Andrés Gorki Ruiz, Eissen J.P., Fornari M., Hall M.L., LePennec J.L.Fuentes:scopusNew radiometric and petrological constraints on the evolution of the Pichincha volcanic complex (Ecuador)
ArticleAbstract: Fieldwork, radiometric (40Ar/39Ar and 14C) ages and whole-rock geochemistry allow a reconstruction oPalabras claves:14 C geochronology, 40 39 Ar- Ar geochronology, Eruption frequency, Eruptive rate, explosive volcanism, Pichincha volcanoAutores:Claude Robin, Fornari M., LePennec J.L., Pablo Samaniego Ponce, Patricia A. Mothes, van der Plicht J.Fuentes:googlescopusPre-eruptive physical conditions of El Reventador volcano (Ecuador) inferred from the petrology of the 2002 and 2004-05 eruptions
ArticleAbstract: A petrological study of the eruptive products of El Reventador allowed us to infer the magmatic procPalabras claves:Degassing, ECUADOR, El Reventador, magmatic episodes, Petrology, recharge, ThermobarometryAutores:Chavrit D., Claude Robin, Cotten J., Eissen J.P., Hall M.L., LePennec J.L., Pablo Samaniego Ponce, Patricia A. MothesFuentes:googlescopusPyroclastic flow erosion and bulking processes: comparing field-based vs. modeling results at Tungurahua volcano, Ecuador
ArticleAbstract: Pyroclastic density currents (PDCs) are high-temperature and high-velocity mixtures that threaten poPalabras claves:Componentry, erosion, numerical simulation, Pyroclastic density currents, TungurahuaAutores:Julien Bernard, Kelfoun K., LePennec J.L., Silvia X. VallejoFuentes:scopus