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José Cabello
Pág. 297 - 306
The discovery of lithium in the Salar de Atacama in northern Chile in 1969 laid the foundations for the development of the world?s leading lithium brine deposit. The available background on the brine deposits located in the Atacama and Maricunga salt fla...
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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...
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Pablo Saavedra Briones, Alejandra Sepúlveda-Varas
Pág. 396 - 407
Historical studies of land use changes help us to understand the current configuration of the landscape and identify the environmental and social impacts that are associated with these transformations. Several authors describe the transitions as a proces...
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Juan Manuel Álvarez Cerimedo,Darío Orts,Emilio Rojas Vera,Andrés Folguera,Germán Bottesi,Víctor A. Ramos
Pág. 504 - 520
The eastern Andean orogenic front at 36ºS shows unique attributes when compared to neighbor segments, from an anomalous eastward development of the orogenic front area due to the uplift of a zone of reduced topography in the foothills constituting a pre-...
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Ivana A. Urraza,Laura E. Grecco,Sergio H. Delpino,Monica L. Arrese,Carlos W. Rapela
Pág. 98 - 118
In the present contribution, the partial results of a detailed study of the magmatic, metamorphic and tectonic events developed in the Aluminé Igneous-Metamorphic Complex (AIMC) are given. We define the AIMC as the set of pre-andean and andean intrusive ...
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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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Juan A. Murra,Edgardo G. Baldo
Pág. 277 - 298
An important magmatic and tectonometamorphic activity of Early and Middle Ordovician age is registered in the pre-Andean basement of the Sierras Pampeanas of Argentina. These were linked to the development of a continental magmatic arc during the Famatin...
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RENÉ GARREAUD,JOSÉ RUTLLANT
Aiming at the statistical and sypnoptical characterization of summer precipitation events in the adean portion of their impact on the local river discharge, 94 summer rainfall events within -he period 1970-1992 were defined. For that purpose daily rainfa...
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