what is open cast mining and its disadvantages
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Open-cast mining has several advantages compared to underground mining, these are:-
Open-cast allows for high tonnages to be moved hence economies scale
Safe as workers are not working under disturbed roof
Open-cast trucks have higher payload hence more economical.
Massive blasts can be take which allows for more efficient and cheaper rock breaking.
It is easier to separate ore from waste
However open-cast mining become more as the depth of the ore from surface increases.
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Open-cast allows for high tonnages to be moved hence economies scale
Safe as workers are not working under disturbed roof
Open-cast trucks have higher payload hence more economical.
Massive blasts can be take which allows for more efficient and cheaper rock breaking.
It is easier to separate ore from waste
However open-cast mining become more as the depth of the ore from surface increases.
plzz mark as brainliest answer
siriposam:
I am sorry but the question is disadvantages not advantages
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