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Mining Gold In Ontario Small Scale

Mining Gold In Ontario Small Scale

2017-12-8 · states with widespread artisanal and small scale gold mining or ASGM the major source of mercury air emissions according to UN Environment. When the solid material called ore is extracted it is mixed with mercury to concentrate the gold and create a mercu-ry mixture or amalgam. To get gold the miners evap-orate mercury by heating the amalgam.

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