Large deposits of gold are sometimes located in remote zones of the country. The rampant informality combined with the socioeconomic characteristics of some regions of Colombia has led to the expansion of illegal activities in the ASGM while at the same time, the unregulated use of mercury and cyanide has poisoned water and wildlife.
read more... https://www.unido.org/news/colombia-effort-towards-artisanal-and-small-scale-gold-mining-formalization-and-economic-alternatives
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