News

50 Years Ago METAL MINES GEARED FOR WAR

Canada’s base metal mines are preparing themselves to meet whatever demand arises from the German War, and they appear to be already substantially advantaged by the swift advance in metal prices. Not …


BASE METAL COMEBACK

These days only the most promising exploration projects capture the interest of investors or catch the eye of cash-rich major mining companies looking for joint-venture opportunities. A country-wide s…


COMPUTER PROCESS CONTROL

This is the second of a 2-part article on computerized process control. Part 2 begins where last month’s instalment ended — with a discussion of grinding. The example to be discussed in this sectio…


Positive Displacement Pump

A positive displacement pump designed for longer life when pumping abrasive, high-viscosity fluids is offered by Robbins & Myers Canada. Called the R&M 1000, the pump’s processing cavity design has no…


Maintenance BALANCING ACT

To achieve effective maintenance, it is necessary to always deal successfully with the work demand. This means being capable of handling the peak requiremen ts. When there is breakdown, maintenance wo…


Non-explosive

A non-explosive cracking agent for rock is being introduced on the Canadian market exclusively by Guy Guenette Ltd. of St-Laurent, Que. Called Betonamit, the product is a powder, which, when mixed wit…



PRESCRIPTION FOR THE INDUSTRY

The continued health of Canadian mining Faced with a struggle to survive, Fthe mining industry in Canada Fhas made tremendous strides in the past six years. In some firms, productivity has doubled in …


Cross-Cuts GOLDEN GRIDDLE

At these prices, it’s a steal. We’re talking about solid gold frying pans. “Pure unalderated gold would make a superb frying pan because it diffuses heat more evenly than iron or copper. Being chemica…


50 Years Ago GOLD OUTPUT MAY EXCEED 5 MILLION OZ

If the existing rate of gold output is maintained for the last six months of 1939, Canada’s gold production should pass the 5-million- oz mark for the year, the Dominion Bureau of Statistics reports. …


Letters Evaluation Problems

I wish to comment on Kerry Knoll’s review of several largely unsuccessful new mines, as published in your June, 1989, issue (see “And Now the Bad News”). I have had no professional association with an…


Suggestion Box ESTIMATING RESERVES

In the June, 1989, issue we featured two articles which dealt, in varying degrees, with reserve estimation for mineral deposits. (See Three Solitudes by Norman Champigny and And Now the Bad News by Ke…


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