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Area Of Mining Gold In Ghana

Environmental impacts of mining and smelting.Zinc copper total over 28 000 metric tonsyear 1 global releases of mercury from smelting and refining nonferrous metals total 710 metric tonsyear the second largest source after power plants 2 estimates of releases of mercury into the environment from artisanal small scale gold mining range from 400 to 1 102 metric tonsyear 2 3 airborne.

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