50 Years Ago QUEBEC MINE BELT PROVES POPULAR
Mining in northwestern Quebec is a flourishing business. This fact is well appreciated by those engaged in the search for new metal orebodies, The Northern Miner found on a recent trip through the 100…
News
50 Years Ago CURRENCY PROBLEMS FOR GOLD MINES
Unless there is war, which now looks remote, the premium in United States funds may shortly diminish, leaving us little gain from a fall in sterling which looks likely to settle the pound quotation at…
Law MORE ON DEFAULTS
In the last instalment on the subject of defaults (see May issue), we left the villain having defaulted under option arrangements and considering the potential of defaulting under farm-in/joint-ventur…
COMPUTER PROCESS CONTROL Part 1
There is a wide distribution in the Tdegree to which process control Tis applied in North American gold mills. We believe that the distribution is decidedly skewed toward pre dominantly manual contro…
FORMIDABLE EXPERTISE
More than 700 people in and around the town of Campbell River on Vancouver Island make their living in Strathcona Provincial Park, some earning more than $80,000 per year. These people aren’t raking l…
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…
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 …