Types of Mining Methods | Sell Side HandbookMar 9, 2018 . The broken ore is left in the mined-out stope and serves as a support to . Some variations of the room-and-pillar mining method include post.what is stopeand pillarmining method,Thickness Reduction Method of the Pillar Size Set Safely and Its .Room-and-pillar mining method is more popular in the current mining methods[5,6], such as .. method. Exposed area of open stope and hidden danger of.
what is stopeand pillarmining method