Surface mining, including strip mining, open-pit mining and mountaintop removal mining, is a "Strip mining" is the practice of mining a seam of mineral, by first removing a long strip of overlying soil and rock (the overburden). It is most.
Strip mining process is most suitable for fairly flat shallow single-seam coal, . to underground mining and is practiced as strip mining, the most common form.
Surface coal mining technology, practice and development of mining systems are introduced since the founding of China. The development of surface coal.