You dont die as easily
Yes. Ancient man began doing it and open pit mining continues today.
The idea of open-pit mining was first introduced by the Romans in ancient times. They used this method to extract ores such as copper and iron.
no.
Uranium mining can be either by open pit mining or by underground mining.
Strip Mining.
Open pit mining is used when the materials being mined are closer to the surface. It is safer to do open pit mining than it is to do underground mining. Underground mining is only used for mining hard minerals.
1.Depth:strip mining is done for <60 m while open pit is done for>60 to near about 120 m. 2.Design:Strip mining is done maintaining spoil & piles system while open pit has a specific mining structure to follow. 3.Environment:strip mining is normally done for dry area while for open pit mining we have to lower the ground water level.
Cash
The three types of mining -strip mining,open pit mining,and shaft mining
Strip mining, Open pit mining and Mountaintop removal mining
open pit mining
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