Mostrando 10 resultados de: 17
Publisher
Andean Tectonics(3)
Gondwana Research(2)
Journal of South American Earth Sciences(2)
Cretaceous Research(1)
Earth and Planetary Science Letters(1)
Detrital zircon U-Pb geochronology of modern Andean rivers in Ecuador: Fingerprinting tectonic provinces and assessing downstream propagation of provenance signals
ArticleAbstract: Recognizing detrital contributions from sediment source regions is fundamental to provenance studiesPalabras claves:Autores:Cristian Vallejo, Horton B.K., Jackson L.J.Fuentes:googlescopusDid accretion of the Caribbean oceanic plateau drive rapid crustal thickening in the northern Andes?
ArticleAbstract: The onset of orogenic shortening in the northern Andes Mountains coincided with latest Cretaceous acPalabras claves:Autores:Cristian Vallejo, George S.W.M., Gutierrez E.G., Horton B.K., Jackson L.J.Fuentes:googlescopusConstraints 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:googlescopusGeology of El Domo deposit in central Ecuador: a VMS formed on top of an accreted margin
ArticleAbstract: El Domo is a Cu-Au-Zn-Ag volcanogenic massive sulfide deposit (VMS) within the Paleocene–Eocene submPalabras claves:ECUADOR, El Domo, Macuchi, Massive sulfides, Western CordilleraAutores:Cochrane R., Cristian Vallejo, Naranjo G., Rosero B., Salazar F., Soria F., Tornos F.Fuentes:googlescopusGeology of the Campanian M1 sandstone oil reservoir of eastern Ecuador: A delta system sourced from the Amazon Craton
ArticleAbstract: The Campanian M1 sandstone Member of the Napo Formation is one of the main reservoirs of the CapironPalabras claves:DELTA, ECUADOR, M1 sandstone, Napo Formation, Oriente Basin, Provenance analysis, Tena FormationAutores:Cardenas M., Cristian Vallejo, Cuenca D., Esteban J.J., Figuera M., Janeth Gaibor, Leal J., Steel R., Tapia D., Valdez A., Winkler W.Fuentes:googlescopusOrigin and Cretaceous tectonic history of the coastal Ecuadorian forearc between 1°N and 3°S: Paleomagnetic, radiometric and fossil evidence
ArticleAbstract: The presence of at least one Block (Pallatanga Block) derived from the Caribbean-Colombian Oceanic PPalabras claves:Caribbean plate, chronostratigraphy, Ecuadorian forearc, Late Cretaceous, Northern andes, paleomagnetismAutores:Cristian Vallejo, Heller F., Luzieux L.D.A., Spikings R.A., Winkler W.Fuentes:googlescopusPaleoenvironmental significance of trace fossils from mixed tide- and river-influenced marginal-marine settings, Cretaceous U and M2 Sandstone members, Napo Formation, Oriente Basin of Ecuador
ArticleAbstract: The Upper Cretaceous M2 and U Sandstone members of the Napo Formation are prolific hydrocarbon produPalabras claves:Brackish water, DELTA, Estuary, Ichnofacies, Ichnology, Sequence stratigraphyAutores:Buatois L.A., Cristian Vallejo, Mángano M.G., Zuniga M.Fuentes:googlescopusPalynological and sequence stratigraphic analysis of the Napo Group in the Pungarayacu 30 well, Sub-Andean Zone, Ecuador
ArticleAbstract: The study of palynomorphs and calcareous nannofossils from the Albian-Campanian Napo Group in the PuPalabras claves:ECUADOR, Napo Group, Palynofacies, palynology, Sequence stratigraphy, Sub-Andean ZoneAutores:Cristian Vallejo, Hochuli P.A., von Salis K., Winkler W.Fuentes:googlescopusMode and timing of terrane accretion in the forearc of the Andes in Ecuador
Conference ObjectAbstract: The volcanic basement of the Ecuadorian Western Cordillera (Pallatanga Formation and San Juan unit)Palabras claves:Autores:Bussy F., Cristian Vallejo, Heller F., Luzieux L.D.A., Spikings R.A., Winkler W.Fuentes:googlescopusLate cretaceous to miocene stratigraphy and provenance of the coastal forearc and Western Cordillera of Ecuador: Evidence for accretion of a single oceanic plateau fragment
Book PartAbstract: The Western Cordillera and coastal forearc along the western margin of Ecuador share an allochthonouPalabras claves:Accretion, ECUADOR, Macuchi arc, Pallatanga Formation, Piñon Formation, Western CordilleraAutores:Christian Romero, Cristian Vallejo, Horton B.K., Luzieux L.D.A., Spikings R.A., Winkler W.Fuentes:googlescopus