What are the main methods of mining? | American ...

There are four main methods: underground, open surface pit, placer, and in-situ . Underground mines are more expensive and are often to reach deeper deposits. Surface mines are typically for more shallow and less valuable deposits. Placer is to sift out valuable metals from sediments in river channels, beach sands, or other environments.

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    These include: Sodium Cyanide drums. Caustic soda. Activated Carbon. Floatation . Acids. Flocculants. We also have professionals who are there to assist with advice to our valued customers on which to , how to and handle them, safety precautions required when using those .

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