In the Elqui Basin, volcano-sedimentary and plutonic rocks of calc-alkaline intermediate character dominate, along with numerous ore deposits and hydrothermal alteration zones (Oyarzún et al., 2003; Dittmar, 2004). There are three main sub-basins: those of the Turbio, Claro and Elqui rivers (Bodini and Araya, 1998). The Turbio River receives part of its flow from the Toro River, the latter being directly affected by the presence of the El Indio District, at the head of the Elqui watershed (Figure 1). El Indio is a mining district of Tertiary age, representing a special environmental concern...
Technical Note: The El Indio Mine Closure Plan Effects Over the Water Quality of the Upper Elqui Basin
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Jorge Oyarzún, Jorge Núñez, Hugo Maturana, Ricardo Oyarzún; Technical Note: The El Indio Mine Closure Plan Effects Over the Water Quality of the Upper Elqui Basin. Environmental and Engineering Geoscience ; 24 (3): 349–355. doi: https://doi.org/10.2113/EEG-2022
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