BLASTHOLE DRILLS
Efficient blasthole drilling can lower the cost of blasting overburden and ore in open pit mines. Low drilling costs mean larger pits and higher strip ratios can be justified. At least eight drill rig…
News
On the Move (February 01, 1990)
James Sackston has been appointed to the position of vice-president, sales and marketing, of Landry Filtration Products. The company is based in Concord, Ont. Joining Dresser’s parts division in Broad…
THIRTY-SIX YEARS YOUNG
Although the Labrador Trough was identified and iron formations noted by A.P. Low in 1894, iron orebodies were not identified until two junior exploration companies — McKay (Quebec) Exploration and L…
FIRE DOWN BELOW
We are often reminded that “safety is the first priority.” In maintenance, we have to provide the means to practice this. Preventive programs vital to safety must be implemented and kept functional. A…
THE GOLDEN GIANT MILL; Part 2 — Grinding Circuit Pre-treatment
The following is the conslusion of an article featured in the December, 1989, issue of The Northern Miner Magazine. It ended with a discussion of the “Hemlo treatmen process.” In the original grinding…
%0 Years Ago
50 Years Ago [in] THE NORTHERN MINER, FEBRUARY, 1940 CALL FOR ACTION Right now Canada should be searching for war minerals. Who can say how much or how little we have until we investigate? Prospectors…
Suppliers’ Notes (February 01, 1990)
Caterpillar Inc., the equipment maker that brought the world the elevated sprocket, has passed another milestone. After just four short years in the field of plus-100-ton trucks, the company has sold …
ARTICULATED TEREX
Articulated Terex Three articulated dump trucks with payload capacities of up to 40 tons have been introduced by Terex of Hudson, Ohio. They include the 2766 (with a 27.5-ton payload capacity); the 30…
PERFORMANCE TEST: Management at Giant Yellowknife Mines is out to
The Yellowknife division of Giant TYellowknife Mines has been Tdogged by high-cost gold production. The mine began operation as an underground mine in 1947 with total aggregate production of gold to d…
Calendar (February 01, 1990)
Calendar March 5-6, Phoenix, Ariz. Metals Week’s 3rd Lead-Zinc Conference. At the Pointe at Tapatio Cliffs. Contact Maryann Whalen, Metals Week, 42nd Floor, 1221 Avenue of the Americas, New York, N.Y….
LABRADOR LORE
The 1950s were frenetic years for the mining industry. Discovery followed discovery in rapid succession. Brunswick in the Maritimes, Mattagami Lake in Quebec, Ontario’s Geco base metal find and the ur…
SUDBURY PHYSICS LESSON
SUDBURY PHYSICS LESSON Miners will soon carve out a 10-storey cavern at the bottom of Inco Ltd.’s Creighton mine in Sudbury, Ont. Into this excavation will be placed a massive 12-metre-diameter acryli…