Social Sciences, asked by siriposam, 1 year ago

what is open cast mining and its disadvantages

Answers

Answered by shubham85288
5
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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siriposam: I am sorry but the question is disadvantages not advantages
Answered by mrayyappa123
0

Answer:

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