Types of Mining Methods | Sell Side Handbook
09/03/2018#0183;#32;Compared to other mining methods, roomandpillar mining is a lowcost method with a low recovery rate (since some ore is left behind in pillars). Yet, the method causes very little dilution as the contact between ore and waste is limited due to the waste being on top and ore being at the bottom. Direct operating costs for roomandpillar method range from 520/tonne. Some variations of the