PRESCRIPTION FOR THE INDUSTRY
The continued health of Canadian mining Faced with a struggle to survive, Fthe mining industry in Canada Fhas made tremendous strides in the past six years. In some firms, productivity has doubled in …
News
Letters Evaluation Problems
I wish to comment on Kerry Knoll’s review of several largely unsuccessful new mines, as published in your June, 1989, issue (see “And Now the Bad News”). I have had no professional association with an…
COLOMAC COUNTDOWN
“Welcome to Fantasy Island,” says the neatly- lettered sign on the road from the Colomac airstrip to the bustling site near Steeves Lake in the Northwest Territories. And skeptics believe this really …
Innovations MANTLES, THIOSALTS AND MILLS
Mineral Processing engineers attending the International Conference on Autogenous and Semi-Autogenous Grinding (sag) in Vancouver this month will no doubt be interested in speaking with a representati…
BASE METAL COMEBACK
These days only the most promising exploration projects capture the interest of investors or catch the eye of cash-rich major mining companies looking for joint-venture opportunities. A country-wide s…
THE POWER OF PEDDLING
The ingenious and complex chain of companies that De Beers has set up to market diamonds worldwide has been called the most successful cartel of the century. The Central Selling Organization (cso) was…
Managing MID-LIFE MUDDLE
Often the things I write about Oare the very things I’m strugOgling with. This article is a particularly tough one. As I consider what has been termed the “mid-life crisis” and the implications of ea…
Maintenance BALANCING ACT
To achieve effective maintenance, it is necessary to always deal successfully with the work demand. This means being capable of handling the peak requiremen ts. When there is breakdown, maintenance wo…
Non-explosive
A non-explosive cracking agent for rock is being introduced on the Canadian market exclusively by Guy Guenette Ltd. of St-Laurent, Que. Called Betonamit, the product is a powder, which, when mixed wit…
Suggestion Box ESTIMATING RESERVES
In the June, 1989, issue we featured two articles which dealt, in varying degrees, with reserve estimation for mineral deposits. (See Three Solitudes by Norman Champigny and And Now the Bad News by Ke…
SINGLE-BOOM JUMBOS
How do manufacturers rate Htheir own drifters? By impact Henergy? If so, is that figure calculated or is it measured? Manufacturers that recommend a particular drifter for a given hole diameter may ha…
Winter Hose
A hose that can endure constant flexing at low temperatures has been introduced by Aeroquip Canada. The FC690 Polyon thermoplastic hose, specially designed for over-the- sheave and general hydraulic s…