26   Artículos

 
en línea
Diego Palma,Sebastián Jovic,Luciano López,Diego Guido,Gerardo Páez,Facundo De Martino,Gustavo Sotarello,Pablo Rolando     Pág. 387 - 402
The Casposo District is located in the Cordillera Frontal, in the center-west of San Juan Province, Argentina. It is characterized by the presence of a low sulfidation epithermal system hosted in volcanic rocks of the Choiyoi Group, where the Mercado-Kam... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
Marcos Podesta,Gustavo Ortiz,Paola Orozco,Patricia Alvarado,Facundo Fuentes     Pág. 327 - 344
The Iglesia basin, in the San Juan Province, is the northern part of a Cenozoic piggy-back basin (the Iglesia-Calingasta-Uspallata basin), located above of the active flat-slab subduction zone of western Argentina. This basin is located between two mount... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
Isabel Méndez-Bedia,Gloria Gallastegui,Pedro Busquets,Silvia N. Césari,Carlos O. Limarino,Eva Prats,Raúl Cardó,Ferrán Colombo     Pág. 275 - 294
In the Argentinian Andes (Frontal Cordillera) the upper part of the late Carboniferous-early Permian San Ignacio Formation is made up of lacustrine-palustrine microbial carbonates and interbedded volcanic deposits. In this lacustrine-palustrine environme... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
Felipe Coloma, Ximena Valin, Verónica Oliveros, Paulina Vásquez, Christian Creixell, Esteban Salazar, Mihai Nicolae Ducea     Pág. 147 - 178
Permian to Triassic igneous rocks cropping out in the Coastal and Frontal cordilleras in northern Chile between 28º00?S and 30º15?S have long been interpreted to represent products of magmatism related to an extensional tectonic setting, either as the re... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
Stella Poma, Adriana Ramos, Vanesa D. Litvak, Sonia Quenardelle, Emma B. Maisonnave, Iris Díaz     Pág. 249 - 274
A Miocene to Pliocene (13 to 4.6 Ma) mostly pyroclastic sequence is exposed along the Iglesia Valley, to the east of the former main volcanic arc. This area is a transitional region between Cordillera Frontal and Precordillera, over the flat slab segment... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
Sebastian Rocher,Graciela Vallecillo     Pág. 589 - 625
The Permo-Triassic Choiyoi rhyolite province of Chile and Argentina is by its extension, volume and geological significance, the record of one of the most important magmatic events of the southwestern margin of Gondwana. However, aspects dealing with the... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
Stella Poma,Eduardo O. Zappettini,Sonia Quenardelle,Joao O. Santos,?Magdalena Koukharsky,Elena Belousova,Neal J. McNaughton     Pág. 267 - 292
We have carried out zircon U-Pb SHRIMP dating and Hf isotope determinations as well as geochemical analyses on three plutonic units of Gondwanan magmatism that crop out in NW Argentina. Two episodes of different age and genesis have been identified. The ... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
Pedro Busquets,Carlos Oscar Limarino,Raúl Cardó,Isabel Méndez-Bedia,Gloria Gallastegui,Ferrán Colombo,Nemesio Heredia,Silvia N. Césari     Pág. 172 - 195
This paper addresses the stratigraphic analysis of the Late Paleozoicsequence outcroping in the Sierra de Castaño area (Cordillera Frontal, San Juan Province, Argentina). In this region three major stratigraphic units have been recognized. The lower one ... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
Nemesio Heredia,Pedro Farias,Joaquín García-Sansegundo,Laura Giambiagi     Pág. 242 - 257
The Andean Paleozoic basement of the Cordón del Plata (Argentina) consists of two sets of rocks showingdifferent stratigraphy, structure and metamorphism. The lower one is represented by the pre-Carboniferous (Devonian?)Vallecitos beds. These rocks have ... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
Fenando Martínez,César Arriagada,Constantino Mpodozis,Matías Peña     Pág. 258 - 278
The Triassic and Jurassic tectonic history of northern Chile has been dominated by extension, althoughclear evidence about the nature and geometry of the extensional basins and subsequent inversion structures has beenadequately illustrated in only a few ... ver más
Revista: Andean Geology    Formato: Electrónico

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