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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, 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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Derek J. Weller, María Eugenia de Porras, Antonio Maldonado, César Méndez, Charles R. Stern
Pág. 229 - 248
Sediment cores from lakes and bogs in the Río Cisnes valley contain tephra from explosive eruptions of
volcanoes in the southern part of the Andean Southern Volcanic Zone (SSVZ). These tephra, which thicken and coarsen
to the west, are attributed to erup...
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Gabriel Vargas Easton,Sofía Rebolledo,Sergio A. Sepúlveda,Alfredo Lahsen,Ricardo Thiele,Brian Townley,Cristóbal Padilla,Rodrigo Rauld,Maria José Herrera,Marisol Lara
Pág. 141 - 171
The Liquiñe-Ofqui fault zone (LOFZ) in the Patagonian Andes is an active major transpressional intra-arc fault system along which Quaternary faulting and volcanism develop. Subaerial and submarine geomorphologic and structural characterization of latest ...
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Jose Antonio Naranjo,Manuel Arenas,Jorge Clavero,Oscar Munoz
Pág. 137 - 146
The epicentre of the long-lasting seismic crisis started on the evening of January 22,2007 and it was located 20 km to the west of Puerto Chacabuco in the Patagonian fjordland, Chile (45°25'S). Approximately 7,000 events were recorded up to early May, fo...
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Alberto Adriazola,Bernhard Stockhert
Structural and microstructural observations combined with apatite and zircon fission track thermochronology within two sectors of the Main Andean Range in the Los Lagos Region of Chile reveal an episodic history of intrusion and deformation in the North ...
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Gloria Arancibia,Jose Cembrano,Alain Lavenu
Pág. 3 - 21
Dextral transpression and deformation partitioning in the Liquiñe-Ofqui Fault Zone, Aisén, Chile (44-45ºS). The segment of the North Patagonian Batholith between 44 and 45ºS is affected by locally intense ductile and brittle deformation spatially associa...
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Leopoldo Lopez-Escobar,Jose Cembrano,Hugo Moreno
Pág. 219 - 234
ABSTRACT. Between latitudes 37° and 46°S of the Andes, the Nazca-South America Plate convergence is currently slightly oblique, Postglacial volcanism has been continuous and intense, being expressed as numerous composite stratovolcanoes (SV) and hundreds...
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