Epithermal gold/silver targets have become the rage in the Bathurst camp as well and Brunswick is also involved. When, in 1983, Brunswick geologists were asked to locate a quarry from which to extract rock for filling mined-out stopes, the only stipulation was that the rock contain no sulphides. That has proved to be the case in the rhyolite unit selected, but there is potential for finding gold in that very formation, says Luff.
The company is planning to drill three diamond drill holes this year to investigate the gold potential of a silicified unit uncovered during quarrying operations. That quarry, by the way, is a bigger rock-moving operation (5,000 tonnes per day) than most mines in Canada, says Mechanical Superintendent Jack Smith. Some 6.5 million tonnes have been broken and crushed in a mobile crusher since 1984. The crusher was originally designed to follow the electric shovel around the pit so that the shovel could feed directly into the crusher. A conveyor would then transport the rock to a raise which feds into an underground storage bin. But the converyors were never purchased and the crusher is stationed in one corner of the pit over the raise bore hole. Broken rock is trucked to the crusher with 85-tonne Haul Pac trucks.
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