Mostrando 10 resultados de: 12
Publisher
Andean Tectonics(2)
Earth and Planetary Science Letters(2)
Gondwana Research(2)
Chemical Geology(1)
Global and Planetary Change(1)
Área temáticas
Geología, hidrología, meteorología(6)
Paleontología(6)
Ciencias de la tierra(4)
Geología económica(2)
Astronomía y ciencias afines(1)
Constraints 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:googlescopusGeochemical and isotopic variations in a frontal arc volcanic cluster (Chachimbiro-Pulumbura-Pilavo-Yanaurcu, Ecuador)
ArticleAbstract: Volcanic arc clusters are groups of adjacent volcanic edifices that allow the investigation of geochPalabras claves:Chachimbiro, ECUADOR, Fractional crystallization, geochemistry, recharge, Volcanic clusterAutores:Bellver-Baca M.T., Chiaradia M., Spikings R.A., Viviana ValverdeFuentes:scopusJurassic 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:scopusThe Yanaurcu volcano (Western Cordillera, Ecuador): A field, petrographic, geochemical, isotopic and geochronological study
ArticleAbstract: The Yanaurcu volcanic center in the Ecuadorian frontal arc is characterized by several epochs of actPalabras claves:Adakite, Andesite, Crustal processes, ECUADOR, Garnet fractionation, rechargeAutores:Béguelin P., Bernardo O. Beate, Chiaradia M., Spikings R.A.Fuentes:scopusThe early interaction between the Caribbean Plateau and the NW South American Plate
ArticleAbstract: The determination of accurate and precise ages for the timing of collision between oceanic plateausPalabras claves:Autores:Chew D.M., Cristian Vallejo, Luzieux L.D.A., Page L., Spikings R.A., Winkler W.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:googlescopusSedimentology, 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:scopusOrigin 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:googlescopusMio-Pliocene adakite generation related to flat subduction in Southern Ecuador: The Quimsacocha volcanic center
ArticleAbstract: New geochemical and geochronological data on the Miocene-Pliocene Quimsacocha volcanic center (QVC)Palabras claves:Andes, ECUADOR, Melts, Miocene-Pliocene, Slabs, Subduction, VolcanismAutores:Bernardo O. Beate, Bourdon E., Cotten J., Eissen J.P., Monzier M., Silva J., Spikings R.A.Fuentes:scopusMode 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:googlescopus