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2.078  Articles
1 of 209 pages  |  10  records  |  more records»
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 environmen... see more

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 mounta... see more

Roberto Caminos (1931-1997), recibido en la Universidad de Buenos Aires, fue un notable geólogo regional. Su sólida base petrológica era apropiada para mapear terrenos ígneos y metamórficos. Relevó varias hojas geológicas, cuyo desarrollo comenzaban en el... see more

Roberto Caminos (1931-1997), recibido en la Universidad de Buenos Aires, fue un notable geólogo regional. Su sólida base petrológica era apropiada para mapear terrenos ígneos y metamórficos. Relevó varias hojas geológicas, cuyo desarrollo comenzaban en el... see more

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 res... see more

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 ... see more

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 c... see more

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 b... see more

Las rocas igneas y sedimentarias del Proterozoico superior a Silurico, y sus equivalentes metamorficos, aflorantes en el oeste de Argentina y en el este de Chile entre 28° y 34°S, son aqui interpretadas como representantes de un margen continental de tipo... see more

1 of 209 pages  |  10  records  |  more records»