Artisanal and Small-Scale Gold Mining Without Mercury - US EPADec 5, 2016 . In many countries, elemental mercury is used in artisanal and small-scale gold mining. Mercury is mixed with gold-containing materials, forming.gold processing small scale used,The Borax Method of Gold Extraction for Small-Scale Minersand small-scale gold miners (ASGM) . small-scale mining, whole-ore amalgamation, heavy mineral amalgamation. J Health . Mercury is used in gold mining.
gold processing small scale used