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A devastating Plinian eruption at Tungurahua volcano reveals formative occupation at ~1100 cal BC in central Ecuador
ArticleAbstract: Based on archaeological and radiometric constraints, previous studies have divided pre-Columbian timPalabras claves:Andes, ECUADOR, Formative culture, Plinian eruption, tephrochronology, TungurahuaAutores:D. Jaya, de Saulieu G., Gailler L., LePennec J.L., Pablo Samaniego PonceFuentes:scopusCollisional interactions and the transition between lava dome sector collapse and pyroclastic density currents at Tutupaca volcano (Southern Peru)
ArticleAbstract: We describe sedimentological variations of the block-rich debris avalanche deposits and associated pPalabras claves:Block clusters, Local kinematics, Sedimentology, Striations, Volcanic debris-avalanche depositAutores:Bernard K., Mariño J., Pablo Samaniego Ponce, Valderrama P., Van Wyk de Vries B.Fuentes:scopusAntisana volcano: A representative andesitic volcano of the eastern cordillera of Ecuador: Petrography, chemistry, tephra and glacial stratigraphy
ArticleAbstract: Antisana volcano is representative of many active andesitic strato-volcanoes of Pleistocene age in EPalabras claves:ANTISANA, Long-lived evolving andesitic volcanism, Northern Volcanic ZoneAutores:Bernardo O. Beate, Claude Robin, Hall M.L., Militzer A., Pablo Samaniego Ponce, Patricia A. Mothes, Patricio A. RamónFuentes:googlescopusConduit 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:googlescopusConstraining magma sources using primitive olivine-hosted melt inclusions from Puñalica and Sangay volcanoes (Ecuador)
ArticleAbstract: Constraining arc magma sources at continental arc settings is a delicate task, because chemical signPalabras claves:ECUADOR, melt inclusions, Olivine, Primary magmas, subduction zone, Volatile elementsAutores:Diego F. Narváez, Koga K.T., Pablo Samaniego Ponce, Rose-Koga E.F., Silvana HidalgoFuentes:googlescopusContrasting 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:scopusAcross-arc versus along-arc Sr-Nd-Pb isotope variations in the Ecuadorian volcanic arc
ArticleAbstract: Previous studies of the Ecuadorian arc (1°N–2°S) have revealed across-arc geochemical trends that arPalabras claves:along-arc variations, arc magmatism, ECUADOR, Northern Volcanic Zone, radiogenic isotopes, SubductionAutores:Ancellin M.A., Gannoun A., Nauret F., Pablo Samaniego Ponce, Silvana Hidalgo, Vlastelic I.Fuentes:scopusActive Tectonics and Earthquake Geology Along the Pallatanga Fault, Central Andes of Ecuador
ArticleAbstract: Based on new geological data and the analysis of a 4 m spatial resolution Digital Elevation Model (DPalabras claves:active tectonics, Andes, Earthquake, ECUADOR, Pallatanga faultAutores:Alexandra P. Alvarado, Audin L., Bablon M., Baize S., Champenois J., Espín P.A., Jomard H., LePennec J.L., Pablo Samaniego Ponce, Quidelleur X.Fuentes:googlescopusAdakites from Ecuador: preliminary data
ArticleAbstract: All the rocks from 12 Quaternary Ecuadorian volcanoes (286 new analyses) show an adakitic signature,Palabras claves:Autores:Claude Robin, Cotten J., Eissen J.P., Hall M.L., Monzier M., Pablo Samaniego Ponce, Patricia A. MothesFuentes:scopusArc volcano activity driven by small-scale metasomatism of the magma source
ArticleAbstract: Arc volcanism arises from the release of fluids from the descending slab, which enables melting in tPalabras claves:Autores:Auclair D., Gannoun A., Julien Bernard, Nauret F., Pablo Samaniego Ponce, Sainlot N., Silvana Hidalgo, Vlastelic I.Fuentes:scopus