Información del autor
Autor Alasino, Pablo H. |
Documentos disponibles escritos por este autor (25)
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Alasino, Pablo H. ; Dahlquist, Juan A. ; Galindo Francisco, Mª del Carmen ; Casquet, César ; Saavedra, Julio | Springer Science Business Media | 2010The La Costa pluton in the Sierra de Velasco (NW Argentina) consists of S-type granitoids that can be grouped into three igneous facies: the alkali-rich Santa Cruz facies (SCF, SiO2 *67 wt%) distinguished by the presence of andalusite and Na- an[...]texto impreso
Alasino, Pablo H. ; Dahlquist, Juan A. ; Galindo Francisco, Mª del Carmen ; Casquet, César | Sociedad Española de Mineralogía | 2006En este trabajo se presentan dos casos de cordieritas de comprobado origen ígneo y metamórfico en el plutón de Cerro Toro (Sierras Pampeanas, Argentina). A partir de comparaciones petrográficas y de química mineral entre dichas cordieritas, se c[...]texto impreso
Dahlquist, Juan Andrés ; Galindo Francisco, Mª del Carmen ; Morales Cámera, Matías M. ; Moreno, Juan A. ; Alasino, Pablo H. ; Basei, Miguel A.S. ; Macchioli Grande, Marcos | Elsevier | 2020-06We report new whole-rock Nd and Sr isotope data for two strongly peraluminous and one slightly peraluminous Carboniferous A-type granitic plutons in the eastern Sierras Pampeanas of Argentina. Our study also integrates previous petrological and [...]texto impreso
Dahlquist, Juan A. ; Alasino, Pablo H. ; Galindo Francisco, Mª del Carmen ; Casquet, César | Sociedad Española de Mineralogía | 2006Los granates metamórficos de los esquistos de la zona de la biotita de la sierra de Chepes son ricos en Mn y tienen composiciones muy parecidas a la de los granates ígneos de diferentes rocas graníticas de edad Famatiniana (Ordovícico) de la mis[...]texto impreso
Alasino, Pablo H. ; Dahlquist, Juan A. ; Pankhurst, R.J. ; Galindo Francisco, Mª del Carmen ; Casquet, César ; Rapela, Carlos W. ; Larrovere, M.A. ; Fanning, C.M. | Elsevier Science B. V., Amsterdam | 2012A recently discovered granitic intrusion at Cerro La Gloria in western Sierra de Famatina (NW Argentina) is representative of sub- to mid-alkaline Carboniferous magmatism in the region. The main rock type consists of microcline, quartz and plagi[...]texto impreso
Dahlquist, Juan A. ; Alasino, Pablo H. ; Galindo Francisco, Mª del Carmen ; Pankhurst, R.J. ; Rapela, Carlos W. ; Saavedra, Julio ; Casquet, César ; Baldo, Edgardo G. ; González Casado, José Manuel ; Fanning, C.M. | Asociación Geológica Argentina. Buenos Aires | 2006-03El granate es un mineral accesorio poco común en rocas ígneas y constituye un tema relevante de la petrología ígnea. Estudios combinados de petrología, química mineral, geoquímica de roca total y geoquímica isotópica en el cerro Asperecito indic[...]texto impreso
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Dahlquist, Juan A. ; Alasino, Pablo H. ; Eby, G. Nelson ; Galindo Francisco, Mª del Carmen ; Casquet, César | Elsevier Science B.V., Amsterdam | 2010The intrusion of granitoids into the Eastern Sierras Pampeanas in the Early Carboniferous took place after a long period of mainly compressional deformation that included the Famatinian (Ordovician) and Achalian (Devonian) orogenies. These grani[...]texto impreso
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Alasino, Pablo H. ; Dahlquist, Juan A. ; Galindo Francisco, Mª del Carmen ; Baldo, Edgardo G. ; Casquet, César | Buenos Aires: Asociación Geológica Argentina | 2005La combinación de estudios petrológicos, geoquímicos y de química mineral en el sector noreste de la sierra de Velasco, a la latitud de la localidad de Santa Vera Cruz, revelan la presencia de una unidad ígnea peraluminosa con andalucita (Si = 3[...]texto impreso
Dahlquist, Juan A. ; Alasino, Pablo H. ; Galindo Francisco, Mª del Carmen | Sociedad Geológica de España | 2005Comparative compositional studies between two peraluminous unit with magmatic andalucite and cordierite indicate that they were produced by partial melting of two differents metasedimentary source rocks. We conclude that geochemical studies from[...]texto impreso
Dahlquist, Juan A. ; Pankhurst, R.J. ; Gaschnig, Richard M. ; Pankhurst, R.J. ; Rapela, Carlos W. ; Casquet, César ; Alasino, Pablo H. ; Galindo Francisco, Mª del Carmen ; Baldo, Edgardo G. | Elsevier Science B. V., Amsterdam | 2013Wereport the first study integrating in situ U–Pb and Hf isotope data frommagmatic zircon andwhole-rock Sm–Nd isotope data for granitic rocks of the Sierras Pampeanas, Argentina, in order to evaluate the Palaeozoic growth of the proto-Andean mar[...]texto impreso
Ramacciotti, Carlos ; Casquet, César ; Baldo, Edgardo G. ; Alasino, Pablo H. ; Galindo Francisco, Mª del Carmen ; Dahlquist, Juan A. | Cambridge University Press | 2020-02The Sierra de Pie de Palo, in the Argentinean Sierras Pampeanas (Andean foreland), consists of a Mesoproterozoic basement and an Ediacaran – upper Cambrian sedimentary cover that underwent folding, thrusting and metamorphism during the Ordovicia[...]texto impreso
Dahlquist, Juan A. ; Galindo Francisco, Mª del Carmen ; Pankhurst, R.J. ; Rapela, Carlos W. ; Alasino, Pablo H. ; Saavedra, Julio ; Fanning, C.M. | Elsevier Science B.V., Amsterdam | 1995Garnet is an uncommon accessory mineral in igneous rocks but is petrologically significant. The Peñón Rosado granite (469± 4Ma) at Cerro Asperecito is an S-type granite that contains an unusual amount of magmatic garnet. Combined petrology, chem[...]texto impreso
Alasino, Pablo H. ; Ardill, K. ; Stanback, J. ; Paterson, S. R. ; Galindo Francisco, Mª del Carmen ; Leopold, M. | Geological Society of America | 2019The southwestern margin of the Late Cretaceous Sonora Pass Intrusive Suite, northern Sierra Nevada, California (USA), preserves a densely populated zone of magmatic structures that record dynamic magmatic layer formation and deformation (faultin[...]texto impreso
Larrovere, Mariano Alexis ; de los Hoyos, Camilo R. ; Willner, Arné ; Verdecchia, Sebastián O. ; Baldo, Edgardo G. ; Casquet, César ; Basei, Miguel A. ; Hollanda, Maria H. ; Rocher, Sebastián ; Alasino, Pablo H. ; Moreno, Gabriel G. | Geological Society | 2020New structural data from a mid-crustal segment in the Eastern Sierras Pampeanas, coupled with geochronological methods and P–T estimates, reveal polyphase contractional deformation and metamorphism during the Famatinian Orogeny over a long perio[...]texto impreso
Dahlquist, Juan Andrés ; Macchioli Grande, Marcos ; Alasino, Pablo H. ; Basei, Miguel A.S. ; Galindo Francisco, Mª del Carmen ; Moreno, Juan A. ; Morales Cámera, Matías M. | Elsevier | 2019-08The Las Chacras-Potrerillos together with the Renca batholith (Sierras de San Luis) are the largest Devonian igneous bodies in the Sierras Pampeanas after the Achala batholith (Sierra de Córdoba), all emplaced in the Devonian foreland region. Th[...]texto impreso
Dahlquist, Juan A. ; Pankhurst, R.J. ; Rapela, Carlos W. ; Galindo Francisco, Mª del Carmen ; Alasino, Pablo H. ; Fanning, C.M. ; Saavedra, Julio ; Baldo, Edgardo G. | Instituto de Ciencias de la Tierra "Jaume Almera" (Barcelona) | 2008New SHRIMP U-Pb zircon ages are reported for igneous and sedimentary rocks of the Famatina Complex, constraining the age of the magmatism and the ensialic basins. Together with whole-rock and isotope geochemistry for the igneous rocks from the c[...]texto impreso
Alasino, Pablo H. ; Casquet, César ; Galindo Francisco, Mª del Carmen ; Pankhurst, R.J. ; Rapela, Carlos W. ; Dahlquist, Juan A. ; Recio, C. ; Baldo, Edgardo G. ; Larrovere, Mariano Alexis ; Ramacciotti, Carlos | Cambridge University Press | 2020We report a study of whole-rock O–H–Sr–Nd isotopes of Ordovician igneous and metamorphic rocks exposed at different crustal palaeodepths along c. 750 km in the Sierras Pampeanas, NW Argentina. The isotope compositions preserved in the intermedia[...]texto impreso
Alasino, Pablo H. ; Dahlquist, Juan A. ; Galindo Francisco, Mª del Carmen ; Casquet, César | Asociación Geológica Argentina. Buenos Aires | 2006Estudios combinados de petrología, química mineral y geoquímcia de roca total revelan la presencia de dos unidades graníticas peraluminosas con minerales aluminosos magmáticos tales como granate y mica blanca y la presencia distintiva de turmali[...]texto impreso
Rapela, Carlos W. ; Pankhurst, Robert J. ; Casquet, César ; Dahlquist, Juan A. ; Fanning, C. Mark ; Baldo, Edgardo G. ; Galindo Francisco, Mª del Carmen ; Alasino, Pablo H. ; Ramacciotti, Carlos D. ; Verdecchia, Sebastián O. ; Murra, Juán A. ; Basei, Miguel A.S. | Elsevier | 2018-12Along the proto-Pacific margin of Gondwana, from Venezuela to northeastern Patagonia, the Early–Middle Ordovician Famatinian orogeny was the first orogenic event following assembly of the supercontinent. Previous isotope studies of the igneous a[...]texto impreso
Alasino, Pablo H. ; Casquet, César ; Larrovere, M.A. ; Pankhurst, R.J. ; Galindo Francisco, Mª del Carmen ; Dahlquist, Juan A. ; Baldo, Edgardo G. ; Rapela, Carlos W. | Elsevier Science B.V., Amsterdam | 2014A sheeted tonalite complex at Cerro Toro in western Sierra de Famatina, Argentina, was emplaced in the middle crust during an early phase of the Ordovician Famatinian orogeny. The intrusion produced a large-scale thermal aureole that provoked si[...]texto impreso
Casquet, César ; Alasino, Pablo H. ; Galindo Francisco, Mª del Carmen ; Dahlquist, Juan A. ; Baldo, Edgardo G. ; Ramacciotti, Carlos ; Verdecchia, Sebastián ; Larrovere, Mariano Alexis ; Rapela, Carlos W. ; Recio, C. | Springer | 2021The Famatinian is a segment of the Ordovician Terra Australis accretionary orogen that stretched along the SW Margin of Gondwana from Australia to Colombia. The present knowledge of this orogenic segment still is incomplete. We present geochemis[...]texto impreso
Dahlquist, Juan A. ; Pankhurst, R.J. ; Rapela, Carlos W. ; Casquet, César ; Fanning, C.M. ; Alasino, Pablo H. ; Baez, Miguel | Elsevier Science B.V., Amsterdam. | 2006New geochronological and geochemical data are reported for the San Blas Pluton (SBP), in the northwestern Sierra de Velasco, Sierras Pampeanas, which intrudes Ordovician granitoids developed during the Famatinian orogeny. A precise Carboniferous[...]texto impreso