Mining method

Details Mining method Mining method

1981-07-14

1984-07-10

Purser, Ernest R.

Mining or in situ disintegration of hard material

Processes

Stabilizing underground structure

E21C 4100

Patent

active

044589476

ABSTRACT:
A deep level mining method wherein conventional mining takes place to recover ore and pillars are left for support purposes. The ore in the pillars is recovered before or after their formation by drilling overlapping holes into the reef in the pillars.
The holes are plugged thereafter to restore the supporting function of the pillars.

REFERENCES:
patent: 3167354 (1965-01-01), Macaul et al.
patent: 3578807 (1971-05-01), Barrett
patent: 4309059 (1982-01-01), Walsh

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