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Collisional 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:scopusDegassing patterns of Tungurahua volcano (Ecuador) during the 1999-2006 eruptive period, inferred from remote spectroscopic measurements of SO<inf>2</inf> emissions
ArticleAbstract: This paper presents the results of 7 years (Aug. 1999-Oct. 2006) of SO2 gas measurements during thePalabras claves:COSPEC, DOAS, sulfur dioxide, Tungurahua Volcano, volcanic degassingAutores:Andrés Gorki Ruiz, Arellano S.R., Hall M.L., Hugo Yepes, Indira Molina, LePennec J.L., Pablo Samaniego PonceFuentes:scopusGeochronological evolution of the potentially active Iliniza Volcano (Ecuador) based on new K-Ar ages
ArticleAbstract: The youngest volcanism of the Ecuadorian Volcanic Front (Western Cordillera) is mainly dominated byPalabras claves:ECUADOR, geomorphology, Iliniza volcano, K-Ar dating, Volcanic hazardsAutores:Espín P.A., Lahitte P., LePennec J.L., Liorzou C., Marco D. Córdova, Pablo Samaniego Ponce, Quidelleur X., Santiago Santamaría, Silvana HidalgoFuentes:scopusGranular fingering as a mechanism for ridge formation in debris avalanche deposits: Laboratory experiments and implications for Tutupaca volcano, Peru
ArticleAbstract: The origin of subparallel, regularly-spaced longitudinal ridges often observed at the surface of volPalabras claves:Analogue experiments, Debris avalanche, Granular fingering, Granular flow, RidgeAutores:Araujo G., Pablo Samaniego Ponce, Roche O., Valderrama P., van Wyk des Vries B.Fuentes:scopusEruptive chronology of Tungurahua volcano (Ecuador) revisited based on new K-Ar ages and geomorphological reconstructions
ArticleAbstract: This study focuses on the evolution through time of Tungurahua volcano (Ecuador), and provides new iPalabras claves:ECUADOR, geochemistry, geomorphology, K-Ar dating, Tungurahua VolcanoAutores:Bablon M., Jorge Eduardo Bustillos, Lahitte P., LePennec J.L., Liorzou C., Pablo Samaniego Ponce, Quidelleur X., Silvana HidalgoFuentes:scopusEruptive history of Chimborazo volcano (Ecuador): A large, ice-capped and hazardous compound volcano in the Northern Andes
ArticleAbstract: New fieldwork, radiometric and whole-rock chemical data permit the reconstruction of the main eruptiPalabras claves:40 39 Ar- Ar geochronology, Andean volcanism, CHIMBORAZO, Eruptive rates, Late pleistocene, Volcanic hazardsAutores:Claude Robin, D. Barba, Fornari M., Julien Bernard, Pablo Samaniego PonceFuentes:scopusEcuadorian Andes volcanism: A review of Late Pliocene to present activity
ArticleAbstract: This article provides background information about Ecuador's general volcanic setting, as an introduPalabras claves:diverse arc magmatism, Ecuador volcanism, Northern andesAutores:Hall M.L., Johnson J.B., LePennec J.L., Pablo Samaniego PonceFuentes:scopusGrowth and evolution of long-lived, large volcanic clusters in the Central Andes: The Chachani Volcano Cluster, southern Peru
ArticleAbstract: In the Central Andes, large (> 500 km2) and long-lived (1–5 Ma) volcanic clusters (LVCs) are less exPalabras claves:Central andes, Chachani, Eruptive rate, Perú, Petrogenesis, Volcanic clusterAutores:Aguilar R., Finizola A., Jicha B., Pablo Samaniego Ponce, Paquette J.L., Suaña E., Thouret J.C., Wörner G.Fuentes:scopusHolocene recurrent explosive activity at Chimborazo volcano (Ecuador)
ArticleAbstract: Ice-capped Chimborazo is one of the large composite Ecuadorian volcanoes whose recent eruptive activPalabras claves:Chimborazo volcano, Ecuadorian andes, Holocene volcanism, Phreatomagmatism, Pyroclastic flowAutores:Claude Robin, D. Barba, Eissen J.P., Pablo Samaniego PonceFuentes:scopusPetrological analysis of the pre-eruptive magmatic process prior to the 2006 explosive eruptions at Tungurahua volcano (Ecuador)
ArticleAbstract: Understanding the processes at the origin of explosive events is crucial for volcanic hazard mitigatPalabras claves:ECUADOR, Magma mixing, Plumbing system, recharge, Thermobarometry, TungurahuaAutores:Claude Robin, LePennec J.L., Pablo Samaniego Ponce, Silvana HidalgoFuentes:scopus