difference between and open cut mine and a underground mine

  • What are the differences between open pit mining ...

    Apr 07, 2017 · There are always risks of collapse, explosion and fire in such operations. Some ilnesses are seen frequently in miners (e.g. black lung disease). Acid mine drainage from mines and waste piles can pollute many kilometers of streams and rivers. Land subsidence might ocur over mines. Coal fires in underground mines can cause illnesses and ecological damage.

  • What is Underground Mining? (with pictures)

    Aug 15, 2019 · Underground mining is a technique used to access ores and valuable minerals in the ground by digging into the ground to extract them. This is in contrast with techniques like open pit mining, in which the surface layers of ground are scooped away to access deposits, or mountaintop removal, in which the top of a mountain is simply shaved off to access the ore inside.

  • What is the difference between an opencast mine and an ...

    Sep 06, 2006 · Open pit, is when it's actually smaller tunnels, and eventhough trucks or rail carts can sometimes go in there, it's always underground (Look up Johannesburg gold mine shafts, also one of the deepest in the world) Hope this helps. Source(s): Grew up on a Manganese mine in South Africa.