This summer the Rock Shaft
Head Tower at the mine was demolished as part of a major redevelopment.
The first step will see a PS16m programme this summer to replace the Rock Shaft
Head Tower at Boulby which will significantly increase its maximum production potential.
A CAVE-EXPLORING pensioner had to be rescued after falling down a rock shaft
and getting stuck overnight.
SOB is a man and rock shaft
that delivers ore to a 7,400 t/d surface crusher.
Shafts have produced both fluorite and zinc; the deepest on the property is the Rock shaft
, 240 feet deep.
But now the Rock Shaft
Head Tower at Cleveland potash mine has been demolished as part of a major redevelopment.
A series of probes are being launched into the dumping of nuclear waste in Dounreay's notorious doomwatch rock shaft
Speirs, Innovation and Perseverance Breaking New Ground in Hard Rock Shaft
Sinking in the 1990s, CIM Annual Convention, Ottawa, Ontario, 6-10 May 1990.
Replacing the rock shaft
head tower will cost an estimated PS16m and is part of the redevelopment announced in April by ICL, which owns the mine at Boulby.
One of the first steps will involve a PS16m programme this summer to replace the Rock Shaft
Head Tower at Boulby.
The shafts have been sunk using a combination of methods: slurry wall excavation of the over-burden, followed by drilling and blasting of the rock shafts
and starter tunnels.