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Boletín de Geología
versión impresa ISSN 0120-0283
Resumen
BOCANEGRA, Laura C. y SANCHEZ, John J.. MAP OF FAULTS FOR THE CHILES - CERRO NEGRO VOLCANOES REGION (NARIÑO) FROM DATA MINING AND FIELD CONFIRMATION. bol.geol. [online]. 2017, vol.39, n.3, pp.71-86. ISSN 0120-0283. https://doi.org/10.18273/revbol.v39n3-2017005.
A compilation of faults and lineaments within the region of interest of the Binational Geothermal Project TufiñoChiles-Cerro Negro (Colombia-Ecuador border) was achieved by means of data mining among all available published sources of information, which included fault traces and lineaments. Examination and georeferencing of features included in the various sources of information allowed discarding repeated structures. A number of new potential lineaments are proposed based on visual inspection of a 30-m resolution DEM and a 15-m resolution LANDSAT image. A total of 30 potential lineaments were found in the literature, 50 additional lineaments were inferred from images analyses and 14 lineaments were found which include segments that cross the interest area of the geothermal project. The latter are oriented SE-NW (transversal system) and SW-NE (longitudinal system), with dominance of the transversal system. The present study highlights the importance of lineaments and faults on the controls on geothermal fluids circulation.
Palabras clave : Geothermal Energy; Chiles - Cerro Negro volcanoes; Binational Geothermal Project Colombia - Ecuador; lineaments; geothermal fluids.