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Mercury Usage in Gold Mining and Why Is It a Problem - The Balance

In alluvial, colluvial or eluvial placer deposits, mercury is used for the extraction of secondary gold by gravity methods. Thanks to Mercury's intrinsic properties, it allows for the separating of gold from other materials easily. ​"Mercury readily forms alloys with other metals called amalgams (...) Mercury is amalgamated with...

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955 Workers Rescued from South Africa Gold Mine - The New York ...

Feb 2, 2018 ... The miners were trapped after a power outage knocked out the elevators that were used to take them to the surface.

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