Search Results - "Víctor A. Valencia"

Transition From Collisional to Subduction‐Related Regimes: An Example From Neogene Panama‐Nazca‐South America Interactions by León, Santiago, Cardona, Agustín, Parra, Mauricio, Sobel, Edward R., Jaramillo, Juan S., Glodny, Johannes, Valencia, Víctor A., Chew, David, Montes, Camilo, Posada, Gustavo, Monsalve, Gaspar, Pardo‐Trujillo, Andrés

“…A geological transect across the suture separating northwestern South America from the Panama Arc helps document the provenance and thermal history of both…”
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Increased megathrust shear force drives topographic uplift in the Colombian coastal forearc by León, Santiago, Monsalve, Gaspar, Jaramillo, Carlos, Posada, Gustavo, de Miranda, Tiago Siqueira, Echeverri, Sebastián, Valencia, Víctor A.

“…The subsidence/uplift patterns of forearc basins are controlled by subduction dynamics and are strongly dependent on the nature of the margin (erosive vs…”
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Middle Triassic to Jurassic convergence at the north-western margin of Gondwana: insights from the Central Cordillera of Colombia by Bustamante, Camilo, Cardona, Agustín, Restrepo, Marcela, Zapata, Daniela, Beltrán-Triviño, Alejandro, Bustamante, Andrés, Valencia, Víctor A.

“…The northern Andes are crucial for understanding the processes associated with the break-up of Pangea and its impact on the evolution of the Pacific margin of…”
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New petrochronological evidence for magmatic activity at the Central American arc at ∼100-84 Ma by León, Santiago, Avellaneda-Jiménez, David S., Monsalve, Gaspar, Bustamante, Camilo, Valencia, Víctor A.

“…New detrital zircon petrochronological data (~380 analysed grains), including U-Pb dating, trace element, and isotopic analyses from modern sediments and…”
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Multiple metamorphic events in the Palaeozoic Mérida Andes basement, Venezuela: insights from U-Pb geochronology and Hf-Nd isotope systematics by Tazzo-Rangel, M. Daniela, Weber, Bodo, González-Guzmán, Reneé, Valencia, Víctor A., Frei, Dirk, Schaaf, Peter, Solari, Luigi A.

“…The metamorphic basement of the Mérida Andes in western Venezuela is constituted of paragneiss, orthogneiss, amphibolite, and metagranitoid of the Iglesias…”
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U-PB geochronology and magnetostratigraphy of a north Patagonian syn-orogenic Miocene succession: Tectono-stratigraphic implications for the foreland system configuration by Bucher, Joaquín, Milanese, Florencia N., López, Manuel, García, Micaela, D'Elia, Leandro, Bilmes, Andrés, Naipauer, Maximiliano, Sato, Ana María, Funes, Daniela, Rapalini, Augusto, Valencia, Víctor A., Santos, Roberto Ventura, Hauser, Natalia, Vieira, Lucieth Cruz, Franzese, Juan

“…The syn-orogenic Miocene deposits of the Patagonian Foreland System were the focus of numerous works in the latest years, due to their central role in the…”
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Timing of sediment-hosted Cu-Ag mineralization in the Trans-Hudson orogen at Janice Lake, Wollaston Domain, Saskatchewan, Canada by Perelló, José, Valencia, Víctor A., Cornejo, Paula, Clifford, John, Wilson, Alan J., Collins, Greg

“…The Janice Lake Cu-Ag mineralization in the Wollaston Domain of northern Saskatchewan is hosted by a metasedimentary sequence in the upper part of the…”
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Rifting evolution of the Malvinas basin, offshore Argentina: New constrains from zircon U–Pb geochronology and seismic characterization by Lovecchio, Juan Pablo, Naipauer, Maximiliano, Cayo, Lubin Eric, Rohais, Sébastien, Giunta, David, Flores, Gonzalo, Gerster, Ricardo, Bolatti, Néstor D., Joseph, Philippe, Valencia, Víctor A., Ramos, Victor A.

“…The Malvinas basin, emplaced offshore southern Patagonia, is an asymmetric extensional basin formed by NNW-striking faults. In this contribution we present a…”
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Detrital zircon ages of Neoproterozoic sedimentary successions in Uruguay and Argentina: Insights into the geological evolution of the Río de la Plata Craton by Gaucher, Claudio, Finney, Stanley C., Poiré, Daniel G., Valencia, Víctor A., Grove, Marty, Blanco, Gonzalo, Pamoukaghlián, Karina, Peral, Lucía Gómez

“…Although the Río de la Plata craton is exposed over a relatively large area in Uruguay, eastern Argentina, and southernmost Brazil, its geological evolution is…”
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Gondwanan magmatism with adakite-like signature linked to Cu (Mo)-porphyry deposits from the San Rafael Massif, Mendoza Province, Argentina by Gómez, Anabel L.R., Rubinstein, Nora A., Valencia, Víctor A.

“…The gondwanan magmatism in the San Rafael Massif, known as Choiyoi Magmatic Cycle, was emplaced during the inception of a magmatic arc setting during the early…”
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Neuroimaging education in psychiatric training by Cooper, Joseph J., Valencia, Victor A., Niu, Kathy

“…As the histories of psychiatry, neurology, and neuroimaging interweave through time, psychiatry has only recently started to recognize the need to embrace…”
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Re-Os molybdenite and LA-ICPMS-MC U-Pb zircon geochronology for the Milpillas porphyry copper deposit: insights for the timing of mineralization in the Cananea District, Sonora, Mexico by Noguez Alcántara, Benito, Ruiz, Joaquín, Quintanar, Francisco, Valencia-Moreno, Martín, Valencia Gómez, Víctor A, Barra, Fernando, Gehrels, George

“…New geochronological data presented here improves the understanding of the temporal evolution of the Cananea Mining District, and particularly of the Milpillas…”
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Primera datación radiométrica (U-Pb, LA-ICP-MS, en circones detríticos) de la Formación Punta Topocalma: observaciones sobre la sedimentación marina durante el Cretácico Tardío en Chile central by Encinas, Alfonso, Stinnesbeck, Wolfgang, Valencia, Victor A.

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Late Sinistral Shearing along Gondwana’s Paleo‐Pacific Margin in the Ross Orogen, Antarctica: New Structure and Age Data from the O’Brien Peak Area by Paulsen, Timothy, Encarnación, John, Grunow, Anne, Valencia, Victor A., Rasoazanamparany, Christine

“…New isotopic data from O’Brien Peak, Antarctica, provide constraints on the timing of deformation within the Ross Orogen in the Queen Maud Mountains. U‐Pb…”
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U-Pb Ages and Hf Isotopes in Zircons from Parautochthonous Mesozoic Terranes in the Western Margin of Pangea: Implications for the Terrane Configurations in the Northern Andes by Bustamante, Camilo, Archanjo, Carlos J., Cardona, Agustín, Bustamante, Andres, Valencia, Victor A.

“…U-Pb laser ablation inductively coupled plasma mass spectrometry ages and Hf isotopes in zircons were used to constrain the nature of two geological units…”
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Arizpe sub–basin: A sedimentary and volcanic record of Basin and Range extension in north–central Sonora, Mexico by Gonzalez-Leon, Carlos, Valencia, Victor, Lopez-Martinez, Margarita, Bellon, Hervé, Valencia-Moreno, Martín, Calmus, Thierry

“…The Arizpe sub–basin located in the northern part of the Río Sonora basin is a Basin and Range half–graben that initiated during Late Oligocene time in…”
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Propuesta de escision de la denominada 'Formacion Silgara' , a partir de edades U-Pb en circones detriticos by Mantilla-Figueroa, Luis C, García-Ramírez, Carlos A, Valencia, Víctor A

“…La Formación Silgará (s.l.) aflorante en el Macizo de Santander (Cordillera Oriental de Colombia) en la franja Matanza-Cachiri, presenta litologías…”
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Geochemistry and geochronology of Permian plutonic rocks at the north‐western margin of Gondwana by Restrepo, Marcela, Bustamante, Camilo, Cardona, Agustín, Beltrán‐Triviño, Alejandro, Valencia, Victor A.

“…The occurrence of Permian magmatic rocks in the Colombian Andes is restricted to a few localities. Previous works have focused mainly on explaining its…”
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The lower Mesozoic record of detrital zircon U-Pb geochronology of Sonora, Mexico, and its paleogeographic implications by Amato, Jeffrey M, Lawton, Timothy F, Valencia, Victor A, Gehrels, George, Leggett, William J, Montijo-Contreras, Oscar, González León, Carlos M, Fernández, Miguel A

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New ages from the Shackleton Glacier area and their context in the regional tectonomagmatic evolution of the Ross orogen of Antarctica by Paulsen, Timothy, Encarnación, John, Grunow, Anne M., Valencia, Victor A., Pecha, Mark E., Benowitz, Jeffrey, Layer, Paul

“…The Ross orogenic belt in Antarctica is one of several Neoproterozoic-early Palaeozoic orogens that crisscrossed Gondwana and are associated with Gondwana's…”
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