Explain how open cast mining is done

      

Explain how open cast mining is done

  

Answers


Davis
- The overburden is stripped off to reach the ore where it is soft .
- It is dug out where hard, the rock is blasted.
- Minerals make hedges as they extract mineral to avoid collapse of mine
- The ore is loaded onto the trucks or rail wagons and transported to the factory
Githiari answered the question on October 25, 2017 at 13:01


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