What is the difference between open-cast mining and ...- what is the difference between open cast mining and shaft mining , · Quite similar actually, in layman terms. A quarry is an open cast mines that traditionally serves the purpose of mining in rocks, sand, marble, gravel etc.What is OPEN-PIT MINING? What does OPEN-PIT ... - YouTube · Open-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 …