Question

what is open cast mining?​

Answer 1

Answer:

Open cast mining means a process of digging out rock or minerals from the earth by their elimination from an open pit or borrow. Open cast mining results in a large hole, or pit, being formed in the process of extracting a mineral.

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Answer 2

Answer:

Open-cast mining is a method of extraction in which minerals lying at shallow depths are taken out by removing the surface layer.