Which of these methods is least selective in ore extraction?
A. Cut and fill
B. Room and pillar
C. Block caving
D. Shrinkage stoping
Answer: Option C
Solution (By Examveda Team)
Block caving is a bulk mining method with little control over what caves.The correct answer is: Block cavingOre and waste collapse together, leading to high dilution.Suitable only for low-grade, massive ore bodies.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
Related Questions on Mine Development and Mining Methods
What is the primary purpose of mine development?
A. Extraction of ore
B. Ventilation planning
C. Accessing ore body
D. Waste disposal
A. Shaft
B. Adit
C. Stope
D. Raise
A. Room and Pillar
B. Cut and Fill
C. Block Caving
D. Shrinkage Stoping
Which of the following is not an underground mining method?
A. Open-pit mining
B. Shrinkage stoping
C. Sublevel stoping
D. Cut and fill
Join The Discussion