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SUPPLIERS NOTES

Gundle Lining Systems of Houston, Tex., recently completed an 8.5-million-sq-ft polyethylene lining project for a mine site in Ridgew ay, S.C. The Ridgeway gold mine is one of the largest mining taili…


Editor’s Note MODEL P.R.

Uranium mining has a distinct set Uof problems. In fact, its very disUtinctiveness has led Saskatchewan’s mine-operators to adopt a public relations drive. But first, the question of high grade. For …


Cross-Cuts FAILSAFING

Mine operators at Inco’s copper/nickel mine in Thompson, Man., have a talent for innovation in more than one field. Even etymology is within their sphere of expertise, having invented a word of their …


Research SOLID MODELING

Wth the help of a computer graphic technique called “solid modeling,” mining engineers now can combine the accuracy of drill sections and plans with the visual effect of Plexiglas models to produce a …


CIGAR’S HIGH-GRADE HURDLE

Cigar Lake Mining Corp. is constructing a test mine at its large and prodigiously rich uranium deposit in northern Saskatchewan. “This project is a major step toward development of a full-scale uraniu…


The Midwest Test

The Midwest Joint Venture, which is developing a uranium mine at the eastern fringe of the Athabasca Sandstone Basin, faces very similar challenges to the ones facing Cigar Lake’s operators. That shou…


SPECS MAXIMUM UTILITY

Not all underground mine vehicles are directly involved in bringing muck to surface. Auxiliary equipment is needed by all mines to move miners from place to place, to handle heavy materials and for a …


Suggestion Box THREE SOLITUDES

The use of geostatistics for reserve estimation began in the 1970s and, with the availability of computer technology, is becomin g increasingly accepted. Initially, few consulting firms were capable …


DIGITAL PROSPECTING

Grassroots geological mapping is entering a digital revolution. If the trend gains momentum, it could be so far advanced by the turn of the century that exploration geologists will begin searching for…


50 YEARS AGO TIPSTER SHEETS AND THE PUBLIC

In Ontario the list of “tipster sheets” and “advisory services” is growing so quickly that the Ontario Securities Commission in response to public requests is investigating the situation. The “tipster…


50 YEARS AGO QUEEN STEALS HEARTS

Captivating Sudburians as they have charmed the rest of Canada, Their Majesties King George VI and Queen Elizabeth gave the nickel mining district an additional thrill this week by going underground t…


50 YEARS AGO MACASSA DEEP LEVELS

At the annual meeting Macassa Mines Ltd. held March 23rd, shareholders were told by the president, R.A. Bryce, that there was every indication that ore results on the three new bottom levels would be …


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