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Autor Pankhurst, R.J. |
Documentos disponibles escritos por este autor (44)
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Murra, Juan Alberto ; Baldo, Edgardo G. ; Galindo Francisco, Mª del Carmen ; Casquet, César ; Pankhurst, R.J. ; Rapela, Carlos W. ; Dahlquist, Juan A. | Instituto de Ciencias de la Tierra "Jaume Almera" (Barcelona) | 2011The Sierra Brava Complex on the eastern flank of the Sierra de Ancasti consists of marbles, metabasites, calc-silicate rocks, psammo-pelitic schists and gneisses. In the central part of this sierra a thick succession of banded schists (Ancasti F[...]texto impreso
Galindo Francisco, Mª del Carmen ; Casquet, César ; Rapela, Carlos W. ; Pankhurst, R.J. ; Baldo, Edgardo G. ; Saavedra, Julio | Elsevier Science B.V., Amsterdam | 2004Sr, C and O isotope data are presented for carbonate rocks from the Sierra de Pie de Palo and other crystalline outcrops of the Western Sierras Pampeanas. These are used to distinguish three groups of rocks of quite different ages within the nap[...]texto impreso
Casquet, César ; Fanning, C.M. ; Galindo Francisco, Mª del Carmen ; Pankhurst, R.J. ; Rapela, Carlos W. ; Torres , P. | Elsevier Science B.V., Amsterdam. | 2010The enigmatic Arequipa Massif of southwestern Peru is an outcrop of Andean basement that underwent Grenville-age metamorphism, and as such it is important for the better constraint of Laurentia–Amazonia ties in Rodinia reconstruction models. U–P[...]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 ; Hervé, F. ; Pankhurst, R.J. ; Baldo, Edgardo G. ; Calderón, M. ; Fanning, C.M. ; Rapela, Carlos W. ; Dahlquist, Juan A. | Elsevier | 2014The Mejillonia terrane, named after the Mejillones Peninsula (northern Chile), has been traditionally considered an early Paleozoic block of metamorphic and igneous rocks displaced along the northern Andean margin in the Mesozoic. However, U–Pb [...]texto impreso
Casquet, César ; Pankhurst, R.J. ; Rapela, Carlos W. ; Galindo Francisco, Mª del Carmen ; Fanning, C.M. ; Chiaradia, Massimo ; Baldo, Edgardo G. ; González Casado, José Manuel ; Dahlquist, Juan A. | Elsevier Science B. V., Amsterdam | 2008The rocks of Sierra de Maz and Sierra del Espinal (Western Sierras Pampeanas) represent pre-Famatinian (Ordovician) basement. Isotope compositions (Nd and Pb) of metasedimentary rocks and SHRIMP U–Pb dating of detrital zircons, combined with oth[...]texto impreso
Rapela, Carlos W. ; Fanning, C.M. ; Casquet, César ; Pankhurst, R.J. ; Spalletti, Luis ; Poiré, Daniel ; Baldo, Edgardo G. | Elsevier Science B. V., Amsterdam | 2011The 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 la Plata craton of South America in the light of new evidence from a borehole at the [...]texto impreso
Rapela, Carlos W. ; Pankhurst, R.J. ; Casquet, César ; Fanning, C.M. ; Baldo, Edgardo G. ; González Casado, José Manuel ; Galindo Francisco, Mª del Carmen ; Dahlquist, Juan A. | Elsevier Science B.V., Amsterdam | 2007The extent and nature of the Archaean–Palaeoproterozoic craton of Río de la Plata of southern South America, a major but poorly understood crustal component in Neoproterozoic plate reconstructions, as well as the depositional, metamorphic and ma[...]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
Iannizzotto, Noelia F. ; Rapela, Carlos W. ; Baldo, Edgardo G. ; Galindo Francisco, Mª del Carmen ; Fanning, C.M. ; Pankhurst, R.J. | Elsevier Science B.V., Amsterdam. | 2013The Sierra Norte-Ambargasta batholith is one of the largest plutonic expressions of the Pampean orogeny in western Argentina. A thorough petrographic, geochemical, isotopic (Sr and Nd) and geochronological (UePb SHRIMP) study is reported. The ba[...]texto impreso
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Rapela, Carlos W. ; Pankhurst, R.J. ; Casquet, César ; Baldo, Edgardo G. ; Galindo Francisco, Mª del Carmen ; Fanning, C.M. ; Dahlquist, Juan A. | Elsevier Science B.V., Amsterdam. | 2010New U–Pb SHRIMP zircon ages combined with geochemical and isotope investigation in the Sierra de Maz and Sierra de Pie de Palo and a xenolith of the Precordillera basement (Ullún), provides insight into the identification of major Grenville-age [...]texto impreso
Colombo, F. ; Baldo, Edgardo G. ; Casquet, César ; Pankhurst, R.J. ; Galindo Francisco, Mª del Carmen ; Rapela, Carlos W. ; Dahlquist, Juan A. ; Fanning, C.M. | Elsevier Science B.V., Amsterdam | 2009Two orthogneisses have been recognized in the sierras of Espinal and Maz (Western Sierras Pampeanas, NW Argentina) that were emplaced within a Grenvillian metasedimentary sequence. Microcline, plagioclase and quartz are the main rock-forming min[...]texto impreso
Casquet, César ; Pankhurst, R.J. ; Fanning, C.M. ; Baldo, Edgardo G. ; Galindo Francisco, Mª del Carmen ; Rapela, Carlos W. ; González Casado, José Manuel ; Dahlquist, Juan A. | Elsevier Science B. V., Amsterdam | 2006Metamorphism of Grenvillian age (ca. 1.2 Ga; U–Pb zircon dating) is recognized for the first time in the Western Sierras Pampeanas (Sierra de Maz). Conditions reached granulite facies (ca. 780 °C and ca. 780 MPa). Comparing geochronological and [...]