The price of gold has increased greatly in the last ten years, causing more and more people to start small-scale (or “artisanal”) gold mining operations. Small-scale gold miners mix mercury with soil containing small amounts of gold to form a mercury-gold amalgam. That amalgam is then heated; the mercury is burned off and the gold is left behind
read more... .https://www.pureearth.org/wp-content/uploads/2021/03/ASGM.pdf
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