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In Geumpang, A local gold dealer in Geumpang holds out three 200g ingots of white amalgam. Each ingot is about 50 per cent pure gold, he says. The white colour comes from other metals, such as silver. “And mercury,” he says. “We choke (melt and process) the ingots to separate the gold to make it pure.” The mercury vapor is released into the air.

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Filename: MR7A1459.jpg
Copyright: Paul Hilton for Earth Tree
Image Size: 5014x3425 / 20.9MB; mining land forest deforestation aerial
Contained in galleries: Mining

In Geumpang, A local gold dealer in Geumpang holds out three 200g ingots of white amalgam. Each ingot is about 50 per cent pure gold, he says. The white colour comes from other metals, such as silver. “And mercury,” he says. “We choke (melt and process) the ingots to separate the gold to make it pure.” The mercury vapor is released into the air.