Open pit mining usually covers the whole boundaries. Horizontal slices with certain thickness are defined to extract ore from top to bottom until reaching the ultimate or temporary boundary and forming the ultimate or temporary slope. The stripping method usually includes the positioning of open trench, advancing direction, and the arrangement and factors of working face. It impacts both the production technologies and economic benefits in the initial stage.
Underground mining is to dig a series of wells and tunnels from the surface to the ground to reach the ore body for preparation and mining. The underground mining of Xinhai mining equipment mainly includes three stages of mine falling, transportation and ground pressure management, and different mining methods are adopted according to different geological morphological characteristics.