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Juan-Manuel Sayol, Veriozka Azeñas, Carlos E. Quezada, Isabel Vigo and Jean-Paul Benavides López
As many other regions worldwide, the Bolivian Altiplano has to cope with water scarcity during dry periods, which in turn impacts on crop production as flood irrigation is overwhelmingly extended in the region. Since farming is the main income in the Alt...
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Diego Frau, Brendan J. Moran, Felicity Arengo, Patricia Marconi, Yamila Battauz, Celeste Mora, Ramiro Manzo, Gisela Mayora and David F. Boutt
High-elevation wetlands in South America are not well described despite their high sensitivity to human impact and unique biodiversity. We describe the hydroclimatological and limnological characteristics of 21 wetlands on the High Andean Plateau of Arge...
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Sebastian Herrera, Luisa Pinto, Katja Deckart, Javier Cortés, Javier Valenzuela
Pág. 87 - 122
Crustal thickening by horizontal shortening and associated deformation have been broadly considered as
prime mechanisms for mountain building in the Central Andes of western South America. However, timing and structural
style of Andean orogeny in norther...
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Romina L. Lopez Steinmetz,Claudia I. Galli
Pág. 1 - 19
The environment of the Andean Puna Plateau is mostly characterized by the dominance of evaporative processes due to aridity. Since the intermittent runoff lacks the morphodynamic competence to generate the present day landscape, authors have usually cons...
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Felipe Espinoza,Diego Morata,Mireille Polve,Yves Lagabrielle,Rene Maury,Aude de la Rupelle,Christele Guivel,Joseph Cotten,Herve Bellon,Manuel Suarez
Pág. 300 - 328
We presenta chronological (K-Ar), petrologic and geochemical study (major and trace elements, SrNd isotopes) ofMiddle Miocene (ca. 16-14 Ma) calc-alkaline rocks (basalts to andesites) extruded in the present-day back-arc region ofCentral Patagonia (Zebal...
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Akihisa Motoki,Yuji Orihashi,Jose A. Naranjo,Daiji Hirata,Pedro Skvarca,Ryo Anma
Pág. 177 - 187
Lautaro is the volcano closest to the Chile Triple Junction in the Andean Austral Volcanic Zone. The volcanic edifice of 3,607 m a.s.l. stands out on the north-western part of the plateau of the South Patagonian Ice Field. The volcano basement is compose...
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Luisa Pinto,Gerard Herail,Reynaldo Charrier
Pág. 19 - 44
In northern Chile (18-20°S), the western border of the high Andean Plateau (Altiplano) was uplifted by high-angle thrust faults and associated folds. These developed along the Precordillera, which is the morphostructural unit that connects the Andean Pla...
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Francisco Fuentes,Mario Vergara,Luis Aguirre,Gilbert Feraud
Pág. 207 - 225
Eight 40Ar/39Ar ages of rocks from two different areas of the Andes at ca. 33°S, where volcanic units separated by unconformities are exposed, are reported and discussed. These areas are Cuesta de Chacabuco at the northern prolongation of the Central Val...
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