Mostrando 10 resultados de: 10
Filtros aplicados
Publisher
Andean Tectonics(3)
Gondwana Research(2)
Journal of South American Earth Sciences(2)
Geology(1)
Global and Planetary Change(1)
Did 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: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: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:googlescopusLatest Triassic to Early Cretaceous tectonics of the Northern Andes: Geochronology, geochemistry, isotopic tracing, and thermochronology
Book PartAbstract: Triassic rifting within western Pangaea was followed by almost-continuous subduction beneath the wesPalabras claves:geochemistry, geochronology, Jurassic-Cretaceous, Northern andes, Tectonics, ThermochronologyAutores:Cochrane R., Cristian Vallejo, Paul A., Spikings R.A., Van der Lelij R., Villagómez-Díaz D., Winkler W.Fuentes:googlescopusJurassic to Early Paleogene sedimentation in the Amazon region of Ecuador: Implications for the paleogeographic evolution of northwestern South America
ArticleAbstract: The retroarc Amazon region of Ecuador recorded distinct events that are preserved in the Mesozoic-CePalabras claves:Cretaceous, ECUADOR, Jurassic, Oriente Basin, paleogeography, Provenance analysisAutores:Christian Romero, Cristian Vallejo, Elizabeth Mariño, Esteban J.J., Horton B.K., Janeth Gaibor, Spikings R.A., THOMSEN T.B., Winkler W.Fuentes:scopusSedimentological and provenance analysis of the Río Playas stratigraphic section: Implications for the evolution of the Alamor-Lancones Basin of southern Ecuador and northern Peru
ArticleAbstract: The Cretaceous Alamor-Lancones Basin is located in the forearc region of southern Ecuador and northePalabras claves:Alamor-Lancones basin, Andes, ECUADOR, Forearc Basin, Perú, Provenance analysis, Río Playas stratigraphic section, SedimentologyAutores:Bernardo O. Beate, Carolina Bernal, Cristian Vallejo, Esteban J.J., Horton B.K., Hugo Carrasco, Jackson L.J., Janeth Gaibor, Mauricio E. Valarezo, Winkler W.Fuentes:scopusSedimentology, provenance and radiometric dating of the silante formation: Implications for the cenozoic evolution of the western andes of ecuador
ArticleAbstract: The Silante Formation is a thick series of continental deposits, exposed along a trench-parallel disPalabras claves:ECUADOR, Miocene, Provenance analysis, Silante Formation, Western AndesAutores:Christian Romero, Cristian Vallejo, Jose L. Herrera, Santiago Almagor, Spikings R.A., Vanessa Escobar, Vermeesch P., Winkler W.Fuentes:scopusProvenance and geochronological insights into Late Cretaceous-Cenozoic foreland basin development in the Subandean Zone and Oriente Basin of Ecuador
Book PartAbstract: The evolution of sediment source regions in the Andes of Ecuador can be linked to Late Cretaceous-CePalabras claves:Andes, Detrital Zircons, Ecuadorian andes, geochronology, Northern andes, Oriente BasinAutores:Cristian Vallejo, George S.W.M., Gutierrez E.G., Horton B.K., Jackson L.J.Fuentes:googlescopusThe geological history of northwestern South America: From Pangaea to the early collision of the Caribbean Large Igneous Province (290-75 Ma)
ReviewAbstract: Northwestern South America preserves a record of the assembly of western Pangaea, its disassembly anPalabras claves:geochemistry, geochronology, Pangaea, SOUTH AMERICA, Tectonic reconstruction, ThermochronologyAutores:Bernardo O. Beate, Cochrane R., Cristian Vallejo, Spikings R.A., Van der Lelij R., Villagómez-Díaz D., Winkler W.Fuentes:googlescopus