FUTURES PRICES (July 09, 1990)
N.Y. Commodity Exchange Week’s High Low Close Change COPPER (HG) (in US cents per lb.) July 115.90 114.20 114.40 + 6.05 Aug 114.90 114.05 114.10 + 6.50 Sept 114.80 112.90 113.10 + 6.25 SILVER (in US c…
Articles by Northern Miner Staff
ORE-IFEROUS ABITIBI; Northwestern Quebec is home to 10 operating
You don’t have to look far to find today’s mining frontier. It lies just north of the well-developed string of gold mines stretching from Val d’Or in the east to the Ontario border in the west, and k…
On Site At Casa Beradi
In late April, the snow was off the ground at the Casa Berardi mine in northwestern Quebec. Temperatures hovered at a tolerable 12/7ch/C, and black flies and mosquitoes had yet to emerge from the vast…
Suppliers’ Notes (July 06, 1990)
Berlet Electronics of Mississauga, Ont. has appointed Thomson Technology of Sudbury as the northern Ontario representative for Telemotive radio remote controls. As the largest manufacturer of industri…
The Northern Miner, July, 1940
CHINS UP “We shall never surrender,” declared British Prime Minister Winston Churchill. And never in all history has a more stirring battle cry gone out from the leader of a free people bent on the de…
The Advantages of O_2
Adding pure oxygen to a conventional cyanide leach circuit has several advantages. It reduces the consumption of cyanide, lime and lead nitrate; it reduces the requirement for compressed air; and it i…
Making Allowances
In almost every joint venture or other property acquisition agreement wheremoney is spent on exploration, development or other mining work, the operator is allowed to charge an allowance for overhead …
Geophysics made easy
IP Time Domain Equipment A new line of induced polarization (ip) time domain equipment is available from Androtex Ltd. of Mississauga, Ont. The instrumentation is easy to operate and employs the lates…
Development ABCs
Through a period in the late 1980s when too many new domestic gold projects failed because the operators did not adhere to even elementary principles in proving up reserves and developing mines, opera…
Motors Matter; ‘High-efficiency’ electric motors are not your run-
As custodians of a wealth of natural resources, Canadians are accustomed to plentiful, cheap electricity. We seldom worry about wasting it. But like communism in Eastern Europe, that attiutude is outd…
C.I.M. IN U.S.A.
Environmental concerns that U.S. mining companies are grappling with today will probably be facing Canadian miners in the future. That prospect prompted the Canadian Institute of Mining and Metallurgy…
ANFO Still Reigns
The 1980s saw a consolidation of the explosives industry. Through mergers and acquisitions, three large manufacturers (ICI Explosives, ETI Inc. and Ireco) now dominate the Canadian underground mining …