Open-pit mining - WikipediaOpen-pit, open-cast or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow. This form of mining differs from extractive methods that require tunneling into . Opencut coal mine loadout station and reclaimed land at the North Antelope Rochelle.open pit coal mining process,Basics of an open pit mine - Mine EngineerThe definition of a open pit mine is "an excavation or cut made at the surface of the . used in coal mining, and they are used extensively in "hard rock" mining for ores . From the start of the planning process, adequate consideration must be.
open pit coal mining process