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Contrasting origin of two clay-rich debris flows at Cayambe Volcanic Complex, Ecuador
ArticleAbstract: We investigate the sedimentological and mineralogical properties of a debris flow deposit west of CaPalabras claves:Cayambe Volcanic Complex, Clay minerals, Debris flow deposit, Hydrothermal alteration, Volcanic debris avalancheAutores:Alicia Guevara, Delmelle P., Detienne M., Opfergelt S., Pablo Samaniego Ponce, Patricia A. MothesFuentes:scopusDecompression and degassing, repressurization, and regassing during cyclic eruptions at Guagua Pichincha volcano, Ecuador, 1999–2001
ArticleAbstract: In 1999–2001, Guagua Pichincha volcano, Ecuador, produced a series of cyclic explosive and effusivePalabras claves:Crystal size distribution, Degassing, Eruption style, GUAGUA PICHINCHA, Magma decompression, Microlites, OutgassingAutores:Cashman K.V., Cioni R., Patricia A. Mothes, Rosi M., Wright H.M.N.Fuentes:googlescopusNew 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:googlescopusThe enormous Chillos Valley Lahar: An ash-flow-generated debris flow from Cotopaxi Volcano, Ecuador
ArticleAbstract: The Chillos Valley Lahar (CVL), the largest Holocene debris flow in area and volume as yet recognizePalabras claves:Cotopaxi, debris flow, ECUADOR, North Andes, Pyroclastic flowAutores:Hall M.L., Janda R.J., Patricia A. MothesFuentes:googlescopusThe rhyolitic-andesitic eruptive history of Cotopaxi volcano, Ecuador
ArticleAbstract: At Cotopaxi volcano, Ecuador, rhyolitic and andesitic bimodal magmatism has occurred periodically duPalabras claves:Alternating rhyolitic-andesitic volcanism, Cotopaxi Volcano, Holocene history, Northern andesAutores:Hall M.L., Patricia A. MothesFuentes:googlescopus