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Paulo Quezada,Francisco Hervé,Mauricio Calderón,Mark Fanning,Robert Pankhurst,Estanislao Godoy,Octavio Urbina,Rodrigo Suárez
Pág. 54 - 74
Previously undated low-grade metamorphic rocks from the Puerto Cisnes-Queulat area (44°30? S) contain detrital zircons of mid-Oligocene age (ca. 28 Ma). Their outcrops represent the easternmost occurrence of the late Oligocene to early Miocene marine vol...
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Francisco Hervé,Mauricio Calderón,Mark Fanning,Robert Pankhurst,Carlos W. Rapela,Paulo Quezada
Pág. 301 - 317
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 Patagonian Massif and the other in an oceanic island arc terrane to the west, Chaitenia, which...
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Francisco Hervé, Francisco José Fuentes, Mauricio Calderón, Mark Fanning, Paulo Quezada, Robert Pankhurst, Carlos Rapela
Pág. 1 - 16
Serpentinites and fresh or partially serpentinized harzburgite crop out in the western slope of the
North Patagonian Andes of continental Chiloé (41°44?-42°12?S). These rocks are spatially associated with low-grade
metamorphic rocks containing Cenozoic d...
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Encarnación Puga, Antonio Díaz de Federico, Mark Fanning, José Miguel Nieto, José Ángel Rodríguez Martínez-Conde, Miguel Ángel Díaz Puga, José Antonio Lozano, Gianluca Bianchini, Claudio Natali and Luigi Beccaluva
The Betic Ophiolites consist of numerous tectonic slices, metric to kilometric in size, of eclogitized mafic and ultramafic rocks associated to oceanic metasediments, deriving from the Betic oceanic domain. The outcrop of these ophiolites is aligned alon...
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Katja Deckart,Francisco Hervé,C. Mark Fanning,Valeria Ramírez,Mauricio Calderón,Estanislao Godoy
Pág. 49 - 82
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J. Enrique Bostelmann,Jacobous P. Le Roux,Ana Vásquez,Néstor M. Gutiérrez,José Luis Oyarzún,Catalina Carreño,Teresa Torres,Rodrigo Otero,Andrea Llanos,C. Mark Fanning,Francisco Hervé
Pág. 458 - 489
A succession of marine and continental strata on the southern flank of Cerro Cono in the Sierra Baguales, northeast of Torres del Paine, can be correlated with stratigraphic units exposed along the southern border of the Lago Argentino region in Santa Cr...
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Rodrigo A. Otero,Teresa Torres,Jacobus P. Le Roux,Francisco Herve,C.Mark Fanning,Roberto E. Yury-Yanez,David Rubilar-Rogers
Pág. 180 - 200
We present new data on the paleoichthyology, paleobotany and radiometric results of the Loreto Formation in the Brunswick Peninsula of southernmost Chile, that allow us to propose a Late Eocene age. The rich diversity of fossil cartilaginous fishes (Chon...
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Francisco Herve,Mauricio Calderon,Mark Fanning,Stefan Kraus,Robert Pankhurst
Pág. 253 - 275
Five new SHRIMP U-Pb zircon ages are reported for gneisses and foliated plutonic rocks belonging to the Tierra del Fuego igneous and metamorphic basement complex (TFIMC), obtained from the bottom of borehole cores through the Magallanes Basin. Three ofth...
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Fernando Sepulveda,Sylvia Palma-Heldt,Francisco Herve,Mark Fanning
Pág. 375 - 397
The Duque de York Complex (DYC) is part ofthe low grade metamorphic accretionary complexes ofthe pre-Andean Patagonian 'basement'. lt is a sedimentary succession exposed along the westem margin of southemmost South America. New U-Pb zircon ages and palyn...
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Alejandro Sanchez,Polina Pavlishina,Estanislao Godoy,Francisco Herve,Mark Fanning
Pág. 413 - 432
On the west coast of Tierra del Fuego, south of Cabo Nariz, in Chile, Upper Cretaceous to Paleocene sedirnentary successions of the Magallanes foreland basin crop out. The presence of dinoflagellate cysts, as well as radiometric U-Pb SHRIMP dating of det...
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