1. Distinguish between surface and subsurface mining, between openpit and strip mines, and between shaft and slope mines. 2. What is overburden? What is a spoil bank? 3. What is smelting? What are...


1. Distinguish between surface and subsurface mining, between openpit and strip mines, and between shaft and slope mines.


2. What is overburden? What is a spoil bank?


3. What is smelting? What are tailings?



May 02, 2022
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