Uppers drilling for mechanized cut-and-fill stoping at Brunswick Mining and Smelting No. 12 Mine
CIM Bulletin, Vol. 81, No. 909, 1988
R.W. BAKER,Brunswick Mining and Smelting Corporation Ltd. Bathurst, New Brunswick
The development of uppers drilling at Brunswick Mining is reviewed. This paper describes design criteria for drilling patterns and the research required for selection of a suitable drill jumbo. The success of the uppers drilling program based on operating procedures is highlighted.
Mots Clés:
Underground mining, Drilling, Stoping, Brunswick Mining and Smelting Corporation Ltd.
