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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:googlescopusCauses and consequences of bimodal grain-size distribution of tephra fall deposited during the August 2006 Tungurahua eruption (Ecuador)
ArticleAbstract: The violent August 16-17, 2006 Tungurahua eruption in Ecuador witnessed the emplacement of numerousPalabras claves:Bimodal grain size, Eruption type, tephra fall, Tungurahua Volcano, Volcanic Explosivity IndexAutores:Eychenne J., Gouhier M., LePennec J.L., Liliana Troncoso, Nedelec J.M.Fuentes:googlescopusEruptive parameters and dynamics of the April 2015 sub-Plinian eruptions of Calbuco volcano (southern Chile)
ArticleAbstract: We conducted geological and petrological analyses of the tephra fallout and pyroclastic density currPalabras claves:Calbuco volcano, Southern Andes, Sub-Plinian eruption, Triggering mechanismsAutores:Castruccio A., Clavero J., Droguett B., LePennec J.L., Pablo Samaniego Ponce, Roche O., Segura A.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:googlescopusVolcanic history reconstruction in northern Ecuador: insights for eruptive and erosion rates on the whole Ecuadorian arc
ArticleAbstract: In the northern Andes, the Ecuadorian arc presents a large number of Quaternary volcanoes, spread ovPalabras claves:ECUADOR, erosion, Eruptive rates, K-Ar dating, Volcanic arc, VolumesAutores:Bablon M., Eschbach B., LePennec J.L., Liorzou C., Pablo Samaniego Ponce, Quidelleur X., Santiago Santamaría, Silvana HidalgoFuentes:scopusPyroclastic 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