Search Results - "Carlos W Rapela"

Zircon O- and Hf-isotope constraints on the genesis and tectonic significance of Permian magmatism in Patagonia by Castillo, Paula, Fanning, C. Mark, Pankhurst, Robert J, Hervé, Francisco, Rapela, Carlos W

“…The genesis of Permian magmatism in southern South America is actively debated, particularly in relation to the origin of Patagonia. U-Pb zircon ages of c. 255…”
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A Cambrian mixed carbonate–siliciclastic platform in SW Gondwana: evidence from the Western Sierras Pampeanas (Argentina) and implications for the early Paleozoic paleogeography of the proto-Andean margin by Ramacciotti, Carlos D., Casquet, César, Baldo, Edgardo G., Galindo, Carmen, Pankhurst, Robert J., Verdecchia, Sebastián O., Rapela, Carlos W., Fanning, Mark

“…The Western Sierras Pampeanas (WSP) of Argentina record a protracted geological history from the Mesoproterozoic assembly of the Rodinia supercontinent to the…”
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Comments on Bahlburg (2021), A Silurian-Devonian active margin in the proto- Andes -new data on an old conundrum: International Geology Review doi.org/10.1080/00206814.2021.2012719 by Dahlquist, Juan A., Morales Cámera, Matías M., Alasino, Pablo H., Pankhurst, Robert J., Rapela, Carlos W., Moreno, Juan A., Baldo, Edgardo G., Rocher, Sebastián

“…We clarify some statements on our works included by Bahlburg (2021), which we think are confusing and misleading. Clarification is highly necessary to…”
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Geochemistry in Argentina: from pioneers to the present by Rapela, Carlos W., Depetris, Pedro J.

“…Argentine geochemistry evolved during the nineteenth century hand in hand with other sciences. The Scotsman John J. Kyle was the first chemist to arrive in…”
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Mid- to Late Cambrian docking of the Río de la Plata Craton to southwestern Gondwana; age constraints from U-Pb SHRIMP detrital zircon ages from Sierras de Ambato and Velasco (Sierras Pampeanas, Argentina) by Verdecchia, Sebastián O, Casquet, Cesar, Baldo, Edgardo G, Pankhurst, Robert J, Rapela, Carlos W, Fanning, Mark, Galindo, Carmen

“…The Early Palaeozoic stratigraphy and tectonic history of the Eastern Sierras Pampeanas of central Argentina are complicated by metamorphism and deformation…”
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The Capilla del Monte pluton, Sierras de Córdoba, Argentina: the easternmost Early Carboniferous magmatism in the pre-Andean SW Gondwana margin by Dahlquist, Juan A., Pankhurst, Robert J., Rapela, Carlos W., Basei, Miguel A. S., Alasino, Pablo H., Saavedra, Julio, Baldo, Edgardo G., Murra, Juan A., da Costa Campos Neto, Mario

“…New geochronological, geochemical, and isotopic data are reported for the Capilla del Monte two-mica granite pluton in the northeastern Sierras de Córdoba. An…”
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Lu–Hf isotope evidence for the provenance of Permian detritus in accretionary complexes of western Patagonia and the northern Antarctic Peninsula region by Fanning, C. Mark, Hervé, Francisco, Pankhurst, Robert J., Rapela, Carlos W., Kleiman, Laura E., Yaxley, Greg M., Castillo, Paula

“…Lu–Hf isotope data are presented for dated Permian zircon grains from six samples of the latest Palaeozoic to Jurassic low-grade metasedimentary rocks of…”
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Early Cambrian U-Pb zircon age and Hf-isotope data from the Guasayán pluton, Sierras Pampeanas, Argentina: implications for the northwestern boundary of the Pampean arc by Dahlquist, Juan A., Verdecchia, Sebastián O., Baldo, Edgardo G., Basei, Miguel A.S., Alasino, Pablo H., Urán, Gimena A., Rapela, Carlos W., Da Costa Campos Neto, Mario, Zandomeni, Priscila S.

“…An Early Cambrian pluton, known as the Guasayán pluton, has been identified in the central area of Sierra de Guasayán, northwestern Argentina. A U-Pb zircon…”
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50 years of Isotope Geology in South America - Scientific Highlights from the 9th South American Symposium on Isotope Geology by Babinski, Marly, Rapela, Carlos W., Avila, Janaina

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Identifying Laurentian and SW Gondwana sources in the Neoproterozoic to Early Paleozoic metasedimentary rocks of the Sierras Pampeanas: Paleogeographic and tectonic implications by Rapela, Carlos W., Verdecchia, Sebastian O., Casquet, Cesar, Pankhurst, Robert J., Baldo, Edgardo G., Galindo, Carmen, Murra, Juan A., Dahlquist, Juan A., Fanning, C. Mark

“…The provenance of Neoproterozoic to Early Paleozoic sedimentary rocks in the Sierras Pampeanas has been established using U–Pb SHRIMP age determination of…”
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A review of the Famatinian Ordovician magmatism in southern South America: evidence of lithosphere reworking and continental subduction in the early proto-Andean margin of Gondwana by Rapela, Carlos W., Pankhurst, Robert J., Casquet, César, Dahlquist, Juán A., Mark Fanning, C., Baldo, Edgardo G., Galindo, Carmen, Alasino, Pablo H., Ramacciotti, Carlos D., Verdecchia, Sebastián O., Murra, Juán A., Basei, Miguel A.S.

“…Along the proto-Pacific margin of Gondwana, from Venezuela to northeastern Patagonia, the Early–Middle Ordovician Famatinian orogeny was the first orogenic…”
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A review of Devonian–Carboniferous magmatism in the central region of Argentina, pre-Andean margin of SW Gondwana by Dahlquist, Juan A., Morales Cámera, Matías M., Alasino, Pablo H., Pankhurst, Robert J., Basei, Miguel A.S., Rapela, Carlos W., Moreno, Juan A., Baldo, Edgardo G., Galindo, Carmen

“…We review a widespread project database for Devonian–Carboniferous magmatism in the Sierras Pampeanas and Frontal Cordillera between 27° and 35°S, including…”
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The Devonian accretionary orogen of the North Patagonian cordillera by Rapela, Carlos W., Hervé, Francisco, Pankhurst, Robert John, Calderón, Mauricio, Fanning, Christopher Mark, Quezada, Paulo, Poblete, Fernando, Palape, Camilo, Reyes, Tomas

“…[Display omitted] •Devonian zircon age and isotopic composition define two domains.•The Foreland domain has a continental arc, the Pacific domain an oceanic…”
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Review of the Cambrian Pampean orogeny of Argentina; a displaced orogen formerly attached to the Saldania Belt of South Africa? by Casquet, César, Dahlquist, Juán A., Verdecchia, Sebastián O., Baldo, Edgardo G., Galindo, Carmen, Rapela, Carlos W., Pankhurst, Robert J., Morales, Matias M., Murra, Juán A., Mark Fanning, C.

“…The Pampean orogeny of northern Argentina resulted from Early Cambrian oblique collision of the Paleoproterozoic-Mesoproterozoic MARA block, formerly attached…”
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The Rio de la Plata craton and the adjoining Pan-African/brasiliano terranes: Their origins and incorporation into south-west Gondwana by Rapela, Carlos W., Fanning, C. Mark, Casquet, Cesar, Pankhurst, Robert J., Spalletti, Luis, Poiré, Daniel, Baldo, Edgardo G.

“…The Neoproterozoic to Early Cambrian amalgamation of SW Gondwana through the Brasiliano/Pan-African orogeny is reviewed with emphasis on the role of the Río de…”
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Hf and Nd isotopes in Early Ordovician to Early Carboniferous granites as monitors of crustal growth in the Proto-Andean margin of Gondwana by Dahlquist, Juan A., Pankhurst, Robert J., Gaschnig, Richard M., Rapela, Carlos W., Casquet, César, Alasino, Pablo H., Galindo, Carmen, Baldo, Edgardo G.

“…We report the first study integrating in situ U–Pb and Hf isotope data from magmatic zircon and whole-rock Sm–Nd isotope data for granitic rocks of the Sierras…”
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Extending the Pampean orogen in western Argentina: New evidence of Cambrian magmatism and metamorphism within the Ordovician Famatinian belt revealed by new SHRIMP U–Pb ages by Larrovere, Mariano A., Casquet, César, Aciar, R. Hernán, Baldo, Edgardo G., Alasino, Pablo H., Rapela, Carlos W.

“…New SHRIMP U–Pb zircon and monazite ages from the Sierra de Fiambalá (Sierras Pampeanas, NW Argentina) record coeval granitoid peraluminous magmatism and…”
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Petrogenesis of volcanic rocks that host the world-class Ag Pb Navidad District, North Patagonian Massif: Comparison with the Jurassic Chon Aike Volcanic Province of Patagonia, Argentina by Bouhier, Verónica E., Franchini, Marta B., Caffe, Pablo J., Maydagán, Laura, Rapela, Carlos W., Paolini, Marcelo

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Isotope (Sr, C) and U–Pb SHRIMP zircon geochronology of marble-bearing sedimentary series in the Eastern Sierras Pampeanas, Argentina. Constraining the SW Gondwana margin in Ediacaran to early Cambrian times by Murra, Juan A., Casquet, Cesar, Locati, Francisco, Galindo, Carmen, Baldo, Edgardo G., Pankhurst, Robert J., Rapela, Carlos W.

“…•First Sr–C–O isotope data in marbles from Sierras de Córdoba are presented.•Marbles from Sierras de Córdoba were correlated with others from Sierras…”
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The country rocks of Devonian magmatism in the North Patagonian Massif and Chaitenia by Hervé, Francisco, Calderón, Mauricio, Fanning, Mark, Pankhurst, Robert, Rapela, Carlos W., Quezada, Paulo

“…Previous work has shown that Devonian magmatism in the southern Andes occurred in two contemporaneous belts: one emplaced in the continental crust of the North…”
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