Mostrando 10 resultados de: 24
Publisher
Journal of Volcanology and Geothermal Research(5)
Journal of South American Earth Sciences(2)
Palaeogeography, Palaeoclimatology, Palaeoecology(2)
Archaeological and Anthropological Sciences(1)
Bulletin of Volcanology(1)
Área temáticas
Geología, hidrología, meteorología(12)
Paleontología(6)
Ciencias de la tierra(4)
Factores que afectan al comportamiento social(4)
Geología económica(4)
30,000 years of landscape and vegetation dynamics in a mid-elevation Andean valley
ArticleAbstract: The mid-elevation settings of the Andes are important biodiversity hotspots, yet little is known ofPalabras claves:Charcoal, Eastern Andes, fire, Holocene, Palms, Phytoliths, Pleistocene, River dynamicsAutores:Gosling W.D., Lougheed B.C., McMichael C.N.H., Patricia A. Mothes, Prins M.A., Scholz S., Witteveen N.H., Zwier M.Fuentes:googlescopusA pre-Columbian obsidian trade from secondary fluvial sources supported by new geochemical data from the Alto Coca Reserve and Sumaco sites (Napo Province, Ecuador)
ArticleAbstract: New obsidian samples (fragments of pebbles and flakes), mixed with ceramic sherds, were found in 10–Palabras claves:Cosanga River sources, ECUADOR, obsidian, Pre-Columbian trade, Quijos ValleyAutores:Oddone M., Patricia A. Mothes, Renzulli A., Santi P., Taussi M., Thurber M.Fuentes:googlescopusA younger dryas icecap in the Equatorial Andes
ArticleAbstract: Morphologic and stratigraphic evidence shows that a late-glacial ice cap existed on part of the EastPalabras claves:Autores:Clapperton C., Gemmell A., Hall M.L., Helmens K., Hole M., Kuhry P., Patricia A. Mothes, Still J.Fuentes:googlescopusAntisana 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: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:scopusAdakites 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:scopusAquatic community response to volcanic eruptions on the Ecuadorian Andean flank: evidence from the palaeoecological record
ArticleAbstract: Aquatic ecosystems in the tropical Andes are under increasing pressure from human modification of thPalabras claves:Chironomids, Lake sediment burial, Long-term changes, Non-Pollen Palynomorphs (NPP), sensitivity, TephrasAutores:Brooks S.J., Gosling W.D., Gulliver P., Matthews-Bird F., Montoya E., Patricia A. MothesFuentes:googlescopusEcological consequences of post-Columbian indigenous depopulation in the Andean–Amazonian corridor
ArticleAbstract: European colonization of South America instigated a continental-scale depopulation of its indigenousPalabras claves:Autores:Gosling W.D., Loughlin N.J.D., Montoya E., Patricia A. MothesFuentes:googlescopusGeochemistry and petrology of the most recent deposits from Cotopaxi Volcano, Northern Volcanic Zone, Ecuador
ArticleAbstract: Cotopaxi volcano is located in the Northern Volcanic Zone of the South American Andes. Pyroclastic dPalabras claves:Igneous petrology, Lower crustal melting, Rhyolite, Subduction, U-series isotopesAutores:Davidson J., Garrison J.M., Hall M.L., Patricia A. MothesFuentes:googlescopusHistorical Distal Lahar Deposits on the Remote Eastern-Drainage of Cotopaxi Volcano, Ecuador
ArticleAbstract: Cotopaxi is an active stratovolcano, located 60 km SE of Quito. During historical times, Cotopaxi exPalabras claves:Cotopaxi Volcano, Eastern lahars, Historical lahars, Lahar characterization, Volume estimationAutores:Daniel Sierra, Francisco J. Vasconez, Marco Almeida, Patricia A. Mothes, S. Daniel AndradeFuentes:googlescopus