It is unusable for several decades, much like what happens to an area after an atom bomb is used, just not as severe.
underground mining is done when the rocks, minerals of gemstones are too far underground to get out with surface mining some kinds of underground mining are Borehole Mining Drift Mining Hard Rock Mining Shaft Mining Slope Mining
it is open not underground (it has no roof)
it is, because if underground the mine can cave in.
Advantages of Underground Mining are: * It allows minerals to be extracted from deep underground * It doesn't create a mess like open cut or surface mining * Does not affect the physical environment as much as surface mining
Open cast mining and Underground mining.
they put dirt in it
Get the Armor Fossil in the Underground, and have it restored at Oreburgh Mining Museum.
underground coal mining
underground mining is done when the rocks, minerals of gemstones are too far underground to get out with surface mining some kinds of underground mining are Borehole Mining Drift Mining Hard Rock Mining Shaft Mining Slope Mining
Surface mining occurs close to the surface (less than a mile deep), while underground mining is underground.
it is open not underground (it has no roof)
In several ways. The type of mining may be changed to a form that has a lesser impact on surroundings, and mined land can be reclaimed, restored, or placed into other uses.
Underground mining surface mining
underground mining
The two types of mining are Open-cast mining and Underground mining. Underground mining is further divided in to Adit mining and Shaft mining.
it is, because if underground the mine can cave in.
Advantages of Underground Mining are: * It allows minerals to be extracted from deep underground * It doesn't create a mess like open cut or surface mining * Does not affect the physical environment as much as surface mining