Q630
What is a "shaft mine"?
A.
Aquery
B.
An open pit mine
C.
Amine dug deep into the earth
AnswerD.
Amine for descending into which a shaft is generally used
Answer: Option C
Solution
Answer: Option C
Solution:
A mine dug deep into the earth is a "shaft mine". Shaft mining is a type of underground mining where shafts are pushed vertically start to finish to uncover the metals and minerals. It is additionally called shaft sinking.