Coal MiningSurface mining. 4 Main Types of Surface Mining. Strip Mining. Removal of large strips of overlying rock and soil to reveal coal. Open-Pit Mining. Removal of rock.ppt on opencast coal mining,Mining 101 (PPT) - Minerals Education CoalitionA mine is a place where rocks and minerals of value are extracted. Government Permits . Longwall coal mining cuts a slice from the long wall. Notice the safety.
ppt on opencast coal mining