Letters GROUND CONTROL
Your article entitled “King of Zinc,” regarding Brunswick Mining & Smelting (see April issue), contained several errors. In the section on ground control/rock mechanics, you say the cable bolts and st…
News
EMVIRONMENTAL POLICY UNVEILED
The following is the new environmental policy of The Mining Association of Canada: Member companies of the mac are committed to the concept of sustainable development, which requires balancing good st…
What’s New DIRECTIONAL DRILLING
A new, automatic directional drilling tool has been successfully tested in Canada by Redpath Raiseboring of North Bay, Ont. The tool was developed by Bergbau- Forschung and Schwing Hydraulik Electroni…
Specs cs **
** CONTINUOUS PROCESSES ** Solids/liquids separation has gone through quite a change over the past decade. This mineral processing circuit was once dominated by drum or disc filters. But the vacuum fi…
Muckling and hauling a continuous process
The earth-moving technology Tthat makes open pit and underTground coal, salt and potash mining so affordable is making its way into underground hardrock mines. Significant advances have been made in r…
MINING GOES GREEN
Industry and government are grappling with the question of how much pollution is acceptable Nineteen eighty-nine is shaping up to be the year of decision on the environment. Industry and business have…
CYANIDE SOLUTIONS TIONS
An increasing number of Canadian gold mills are turning to chemical treatment processes to destroy and recycle toxic cyanide. Today, environmental protection laws in Canada are increasingly patterned …
LEACH PAD LEADERS
Heap leachers continue to refine their techniques for fatter profits. By Olav Svela Innovation has been a hallmark of the heap leachers. That may be because this mineral extraction process itself was…
Managing STRESS TAKES A HOLIDAY
We have all recently been exposed to a jingle on television that asserts “I need a vacation, gotta get away. * * .” We can even relate to it, but what have we done about it? I was part of a discussion…
Editor’s Note CLEANING UP
Treating the natural environment as an unquenchable toxic sponge never was a solution to mining’s waste disposal problems. The mining industry has slowly come to understand this, through the whip of g…
NovaGold placement
NovaGold Resources (TSE) has completed a private placement of shares through Swiss Canada Capital. The company sold 750,000 shares at an undetermined price. The buyer was Pierre Besuchet, a Swiss-base…
Aussie platinum coin sold out worldwide
GoldCorp Australia says that the first proof issue of The Australian Koala platinum coins have been sold out worldwide. The mintage, which was limited to 6,000 oz of 0.5-oz 0.9995% pure coins, was lau…