SUPPLIER’S NOTES (May 01, 1990)
A contract has been awarded by the International Magnesium Association to the Canada Centre for Mineral and Energy Technology (CANMET) for a 4-year project to study the fundamental aspects of the corr…
News
RUNNING ON EMPTY
Not long ago, the larger Canadian gold mining companies were content to report two to three year’s worth of reserves at their individual mines. The practice, I was recently told by a mining veteran, b…
HIGH-TECH OPERATIONS — THE MANLESS MILL
Distributed control systems (DCS) were introduced in the mid-1970s, according to Isabelle Clauzier and Burton Roberts of B.R.I.C. Systems Integrators, who delivered a paper on the subject at an operat…
NATIVE TALENTS
I read, with great interest and some dismay the article “Native Miners” by Erik Watt (NMM, Feb/90), which dealt with the involvement of native persons in northern mine operations. I feel their natural…
AND THERE’S STILL MORE
The 04 break (in underground Tnomenclature) or Kirkland Lake Main break (as it’s more widely known) has been the source of gold ore for Macassa for the past 57 years. It is the same break that nurture…
A HIGH-TECH HORROR STORY
In March, 1989, a miner was killed at Noranda’s Lyon Lake mine in Ontario when a load-haul-dump machine (LHD), controlled by a radio frequency remote control, scooped him up and drove over a 24-metre …
HIGH-TECH UNDERGROUND MANLESS MINES; As the industry shifts to
The Boy Scouts’ motto, “Be prepared,” is equally applicable to today’s mining industry as more and more companies struggle to adapt to new trends. Four years ago, the industry began a shift toward so-…
Rx FOR IMPROVEMENTS
The following is an excerpt from the plenary session paper presented at the recent maintenance engineering conference held in Sudbury, Ont. The conference was sponsored by the Canadian Institute of Mi…
MINING THE BIG BREAK
A disquieting number of rock bursts and the usual creaks and groans of a deep mine once were the daily fare for miners at lac Mineral’s Macassa mine, near Kirkland Lake, Ont. They still contend with r…
LAC MINERALS’ MACASSA MILL
For most of his working life, Macassa’s mill superintendent, Len Robinson, worked with Merrill-Crowe gold recovery systems. He was a stranger to carbon-in-pulp (cip) technology when it was incorporate…
Small oversupply foreseen for global copper market
The global copper market, which experienced exceptional years in 1988 and 1989, is poised to move into marginal oversupply during the next two years, says an international securities firm. Shearson Le…
Cons. TVX reports reduced earnings
Consolidated TVX Mining (TSE) reported reduced annual earnings for 1989 of $6.3 million or 15 cents per share, compared with $13.3 million or 44 cents per share in 1988. TVX said the decrease in earni…