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.