Articulo
Assessment of exploitable geothermal resources using magmatic heat transfer method, Maule Region, Southern Volcanic Zone, Chile
Fecha
2012Registro en:
15090013
s/i
no scielo
eid=2-s2.0-84876232851
Institución
Resumen
The Andean volcanic arc includes over 200 active stratovolcanoes and at least 12 giant caldera systems. Nevertheless, there is not a standard procedure for estimating geothermal resources associated with unexplored volcanic systems. The study area corresponds to the main cordillera in the Maule region, Chile, along the Southern Volcanic Zone (SVZ) between 34.8º and 36.5º S. The tectonic style and magma emplacement model of this zone favors the occurrence of volcanic associated geothermal systems, due to the presence of magmatic chambers and Cenozoic thrust faults that generate secondary permeability and allows the development of geothermal systems in the upper crust. In order to identify areas with a high probability of geothermal system development, and using a GIS based superposition method, a geothermal favorability map was created. This favorability map involves using geological, geophysical and geochemical data, which is analyzed in the light of different volcanic related systems around the world.