Underground Mining:
* Room and Pillar Mining: This method involves excavating rooms in the ore body, leaving pillars of ore to support the roof. The rooms are then filled with waste rock, and the process is repeated.
* Longwall Mining: This method involves using a longwall shearer to extract ore in a continuous strip. Hydraulic supports are used to hold up the roof as the machine moves forward.
* Shaft Mining: This method involves sinking a vertical shaft into the ore body. Ore is then extracted using hoisting equipment.
* Drift Mining: This method involves excavating horizontal tunnels into the ore body. Ore is then extracted using carts, conveyor belts, or other methods.
* Sublevel Stoping: This method involves dividing the ore body into horizontal slices. Ore is then extracted from the slices using a variety of methods.
* Block Caving: This method involves creating a large, open cavity in the ore body. Ore is then extracted by gravity, falling into a series of underground bins and conveyors.
Other Methods:
* Solution Mining: This method involves dissolving the ore in a solution and then extracting the dissolved minerals.
* In-Situ Leaching: This method involves injecting a solution into the ore body to dissolve the minerals. The dissolved minerals are then pumped to the surface.
The specific method used will depend on factors such as the type of ore, the location of the deposit, and the geological conditions.