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    Artisanal and Small Scale Mining , (especially coal mines, , Mercury is used during the amalgamation process as a cheap way to collect small gold particles from .

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    Coal mining is the process of extracting coal from the ground , Small-scale mining of surface deposits dates back thousands of years For example, .

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    Because small-scale mining activities generally have a relatively low environmental impact, you may be able to operate without an environmental authority (EA) provided your activities meet the eligibility criteria below If you already have an environmental authority and meet the criteria, you can apply to surrender your environmental authority when ,

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    small scale coal mining processing , Coal mining is the process of extracting coal from the ground Coal is valued for its energy content, and, .

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  • Artisanal and Small-Scale Gold Mining Without Mercury ,

    In many countries, elemental mercury is used in artisanal and small-scale gold mining Mercury is mixed with gold-containing materials, forming a mercury-gold amalgam which is then heated, vaporizing the mercury to obtain the gold This process can be very dangerous and lead to significant mercury .

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    Coal mining - Wikipedia Coal mining is the process of extracting coal from the ground Coal is valued for its energy content, and, since the 1880s, has been widely used to generate electricity

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  • Environmental Risks of Mining

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