Mostrando 10 resultados de: 10
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Article(10)
Publisher
Journal of South American Earth Sciences(3)
Gondwana Research(2)
Geomorphology(1)
Geotectonics(1)
International Geology Review(1)
Basin-fill development from marine to intermontane settings: Lithostratigraphy, Sedimentology and Paleogeography of the Malacatos-Vilcabamba basin in the southern Ecuadorian Andes
ArticleAbstract: A detailed lithostratigraphic and sedimentologic study was performed in the southern Andes of EcuadoPalabras claves:ECUADOR, Intermontane Basins, Miocene, Northern andes, Sedimentology, stratigraphyAutores:Corrochano D., Pedro S.B. Reyes, Solís-Alulima B.Fuentes:scopusDetecting a master thrust system by magnetotelluric sounding along the western Andean Piedmont of Quito, Ecuador
ArticleAbstract: The Quito Basin, a narrow NE-trending tectonic depression, contains a perched Quaternary volcaniclasPalabras claves:ECUADOR, monoclinal front, Quito master thrust system, Thrust-topAutores:Marcelo I. Cajas, Pedro S.B. Reyes, Ramírez M.R.Fuentes:scopusConstraints on the ages of the crystalline basement and Palaeozoic cover exposed in the Cordillera real, Ecuador: <sup>40</sup>Ar/<sup>39</sup>Ar analyses and detrital zircon U/Pb geochronology
ArticleAbstract: Gabbros and ultramafic rocks of the Huarguallá Gabbro unit exposed in faulted slivers along the westPalabras claves:40 39 Ar/ Ar dating, Detrital zircon dates, Iapetus rift, Palaeozoic, PangaeaAutores:Cristian Vallejo, Paul A., Pedro S.B. Reyes, Spikings R.A.Fuentes:googlescopusFirst timing constraints on the Ecuadorian Coastal Cordillera exhumation: Geodynamic implications
ArticleAbstract: In this study, we provide the first detrital apatite (U–Th-Sm)/He (AHe) and zircon U–Pb ages to estaPalabras claves:Apatite (U–Th-Sm)/He data, Carnegie ridge, Ecuadorian Coastal Cordillera, Exhumation, Forearc domain, Modeling, Subduction, Zircon U–Pb datingAutores:Brichau S., Gautheron C., Jean Noël Proust, Leisen M., María José Hernández, Michaud F.A., O'Sullivan P., Pedro S.B. Reyes, Saillard M., Vacherat A.Fuentes:scopusFold-Axis Parallel Extension along the Southern Ending of the Quito (Ecuadorian Andes) Fault System: Implications in River Network and Aquifer Geometry
ArticleAbstract: Abstract: Extension parallel to fold axis represents a rarely documented tectonic process that occurPalabras claves:ECUADOR, fold-axis parallel extension, Quito fault system, the aquifer geometryAutores:Ana Cabero, Francisco Javier Alcalá, Pedro S.B. Reyes, Peñafiel L.A., Ramírez M.R.Fuentes:scopusExceptionally uncommon overburden collapse behind a natural lava dam: Abandonment of the San-Rafael Waterfall in northeastern Ecuador
ArticleAbstract: On February 2, 2020, a sudden collapse of the volcaniclastic debris avalanche deposit behind the natPalabras claves:Collapsed sinkhole, ECUADOR, Knickpoint retreat, San-Rafael waterfall, Vertical plunge-pool drilling, Volcanic lava-dam failureAutores:Alex O. Orozco, Ana Cabero, Felipe Lima, Francisco J. Vasconez, Jenry Córdova, Jorge Sevilla, Pedro S.B. Reyes, Sandra ProcelFuentes:scopusPaleoseismology and tectonic geomorphology of the Pallatanga fault (Central Ecuador), a major structure of the South-American crust
ArticleAbstract: The Pallatanga fault (PF) is a prominent NNE-SSW strike-slip fault crossing Central Ecuador. This stPalabras claves:ECUADOR, Fault slip rate, Morphotectonics, Paleoearthquake, Pallatanga fault, Seismic hazardAutores:Alexandra P. Alvarado, Audin L., Baize S., Hugo Yepes, Kauffmann P., Mercedes Taipe, Pedro S.B. Reyes, Pilatasig Moreno L., Winter T.Fuentes:googlescopusPetrogenesis of the Tampanchi Ultramafic–Mafic Complex (Ecuador): Geodynamic implications for the northwestern margin of South America during the late Cretaceous
ArticleAbstract: The Tampanchi Ultramafic–Mafic Complex (TUMC), located in the central segment of the Cordillera RealPalabras claves:arc magmatism, Cumulate texture, ECUADOR, Hydrous magma, Mafic intrusion, Northern andesAutores:Blanco-Quintero I.F., F. Villares, García-Gasco A., Lázaro C., Pedro S.B. Reyes, Proenza J.A., Rubén CartagenaFuentes:scopusQuantitative morphometric analysis of the Jama River profile in a tectonically active margin (Northwestern Ecuador)
ArticleAbstract: The longitudinal profile of a river channel can be described in function of mathematical expressionsPalabras claves:active tectonics, Jama River, morphometry, Stream profileAutores:Camilo Zapata, Jenry Córdova, Mauricio E. Valarezo, Michaud F.A., Pedro S.B. ReyesFuentes:scopusThe Peltetec ophiolitic belt (Ecuador): a window to the tectonic evolution of the Triassic margin of western Gondwana
ArticleAbstract: New field and petrographic observations, whole-rock major- and trace-element geochemical data, Nd anPalabras claves:back-arc, Cordillera Real, mélange, Northern andes, Peltetec ophioliteAutores:Blanco-Quintero I.F., Cardona A., F. Villares, García-Gasco A., Montes C., Pedro S.B. ReyesFuentes:scopus