Deep Mine Development at Mclntyre Porcupine Mines, Limited

CIM Bulletin1950
THE STAFF
THE difficulties to be overcome in shaft sinking and development at depth are centred at Mclntyre in and a round No. 12 shaft. Generally they have been due to increasing pressures and temperatures and to changes in geological structure. This paper describes the difficulties and the measures taken to meet them.
Keywords: Cables, chlorite, diabase, Gunite, porphyry, schist, Hoists, Ore, Ores, Pipe, Porphyry, Shafts, Water, Waters
Full Access to Technical Paper
PDF version for $20.00
Other papers in CIM Bulletin1950