1988

Maintenance PREDICTING PROBLEMS

Mining companies have been traditionally slow in accepting or adopting new tech nology for predictive maintenance. I helped with the installation of such technology at the first planning and schedulin…


PGM PERFECT

The six platinum group metals (PGMs) are elements that possess unique chemical and physical characteristics. Members of the group have been in high demand by jewellers since their discovery in ancient…


BIOTECHNOLOGICAL PROGRESS

Busy Little Bacteria II: One way to deal with ores which contain gold trapped in the crystal lattice of arsenopyrite is to feed it to microscopic bacteria. These little microbes oxidize the sulphides,…


TONS OF FORTUNE

The size of the winnings has yet to be determined. But at the very least, the McCoy/Cove gold-silver deposit in north-central Nevada illustrates how a successful exploration program can boost the over…


LOOK OUT BELOW

In 1968, a supposedly stable, near-surface backfilled stope in Timmins collapsed. In 1981, an old stope caved to surface near the town of Malartic, Que., creating a depression 300 ft across and more t…


Managing THE NEW ECONOMICS

Is mankind doomed to someday walk the earth alone, save for domesticated animals and mutant insects? Will we turn our once “Garden of Eden” into a living purgatory, or even blow ourselves off the face…


Letters THE LOWDOWN ON THE ALPINE LOADER

I was interested to read the article in the June issue of your magazine entitled “High-Speed Mucking” and especially the portion on the Voest Alpine AL-60 loader. Unfortunately, the writer does not ap…


Editor’s Note

Talk about a notable lack of success. In Canada, we produce tons of by-product silver, enough to rank us fourth in the world, and the Sudbury Basin coughs up sufficient platinum group metals to make C…


Research THE MOTHER LODE BELT

About 120 million years ago, a metal-bearing, carbonate-rich hydrothermal fluid was channelled by a steeply dipping, major strike-slip fault zone which developed nearly 10 km beneath the contemporary…


Noranda nearing 20% stake in Falconbridge

Not content with simply being Falconbridge Ltd.’s largest single shareholder, Noranda Inc. has increased its ownership of the nickel producer to 16.5% and will probably buy more. After failing once to…




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