Winston Lake A WINDOW ON THE WORLD OF ZINC
To the people of a tourist town located in a non-mining part of the country, a 10-year mine life doesn’t sound like much — certainly not enough to justify spending $73 million today to scoop 600,000 …
News
Managing HUMANITY AND AUTOMATION
It is easy to discuss (in the cold terms of international economics) job losses and dislocations Icaused by the introduction into our mines and mills of cost-cutting technology. It is less easy to mak…
CROSS-CUTS NEW TREATMENT, OLD DEPOSIT
Soviet scientists have developed a new method of extracting a 95% copper concentrate from Udokan ores found in remote eastern Siberia. The method has been successfully tested in experimental laborator…
Law HEMLO RULING: ‘MUST READING’
Since November, 1986, the mining and investment industries have been awaiting the Ontario Court of Appeal judgment in the case involving Lac Minerals and International Corona Resources. Well, it is he…
50 Years Ago DECEMBER, 1937 STRAW LAKE DRIFTS IN HIGH GRADE
Drifting to date on the No. 1 shoot east on the 425-ft level at Straw Lake Beach Mines shows it to be of considerably higher grade than the same shoot on the 300-ft horizon where it showed an average …
Cross-Cuts NOVA SOCTIA LEADS
The Nova Scotia Department of Mines and Energy’s method of mineral claim- staking (commonly known as paper-staking) will likely form the basis of a new, streamlined system of claim-staking for the cou…
Ore Horizons GRENVILLE POLYMETALLICS
The Montauban and Grand Calumet deposits are geologically similar lead-zinc-gold- silver deposits occurring in the Grenville Province. The lithological, mineralogical and economic similarities are str…
COST-CUTTER
Copper was one of the last metals to recover from the economic recession. But whether today’s higher prices will continue is a big question. Even so, the red metal is finally attracting some attention…
50 Years Ago DECEMBER, 1937 BIG TONNAGE IRON DEPOSITS INDICATED IN
During the past season, exploration of the large mining concession in Labrador, held by Labrador Mining and Exploration Co., has resulted in the discovery of two iron ore deposits believed to have pos…
DECADES OF CHANGE
Ten years ago, at the Exploration ’77 meeting in Ottawa, Allan Spector and Wilfred Parker presented a paper entitled Computer Compilation and Interpretation of Geophysical Data. At that time, the geop…
LETTERS New Refinery
I have just read your article “Very Refined” in the September, 1987, edition. This article reports on “Canada’s private precious metal refiners — Degussa Canada in Burlington, Ont…. and Johnson Ma…
COST-CUTTER The History of Highland Valley Copper
Discovered in the early 1960s by Egil Lorntzsen, the Lornex orebody was the first porphyry copper deposit developed in British Columbia’s Highland Valley. Shortly thereafter, the larger and higher gra…