Q47
What is a crosscut used for in underground mining?
A.
Surface excavation
B.
Connecting ore bodies
C.
Accessing veins perpendicular to drift
AnswerD.
Ventilation shaft
Answer: Option C
Solution
Answer: Option C
Solution:
Crosscut is a horizontal tunnel driven perpendicular to the main drift.The correct answer is: Accessing veins perpendicular to driftIt provides access to ore zones that are not aligned with the main tunnel.Essential in block caving and vein mining.