What is a "shaft mine"?

A. Aquery

B. An open pit mine

C. Amine dug deep into the earth

D. Amine for descending into which a shaft is generally used

Answer: Option C

Solution(By Examveda Team)

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.