To
recover the gold from the amalgam, it’s burned, which most miners do
out in the open (or on their kitchen stoves), which vaporizes the
mercury and releases it to the atmosphere. Apart from breathing the
fumes, as mercury re-enters the environment it threatens the health of
the miners, communities, wildlife and all who consume poisoned proteins.
Finally, the spent ore is dumped on site or into a water body.
http://www.artminers.org/artminers/mercury.html
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