There are four main methods of mining: underground, surface, placer and in-situ. The type of mining method used depends on the kind of resource that is being targeted for extraction, the deposit's ...

There is an aspect of coal mining that gets relatively little attention, even though it is growing in popularity, It is with this method that I will conclude this series on mining, and its precursor ...

Underground mining has become more scientific, controlled and automated, requiring fewer people underground, improving safety and efficiency. Source: © International ...