LETTERS COMPRESSED AIR DEVICE Stress and Strain
Re: October, 1988, page 71 article entitled “Breakthrough in Measuring Stress.” We appreciate that we have the opportunity to elaborate on the new CANMET strain/stress monitoring device by responding …
News
POLAR PRODUCERS LUPIN
Despite a barren location (90 km south of the Arctic Circle, where there are no roads or navigable waterways) and an inhospitably cold climate, Echo Bay’s Lupin mine has produced more than 910,000 oz …
Core Shack THE MOBRUN DEPOSIT
The Mobrun polymetallic massive sulphide deposit, 30 km north of Rouyn-Noranda, Que., is owned 70% by Audrey Resources, the operator, and 30% by Minnova Inc. The deposit hosts reserves of 1.6 million …
CROSS-CUTS SUPERCONDUCTING R&D
High-temperature superconductors made a big splash a couple of years back because of highly publicized scientific breakthroughs. Little has been seen on the subject in the popular press of late. Never…
MINING NORTH OF 60
When the Pine Point lead/zinc mine closed last year, the event marked not just the death of a huge pro- ducer, but the end of a true technical pioneer in Canada’s North. The 33 individual Pine Point o…
THE NANISIVIK POWER PLANT
Perhaps the most important instalPlation to the town of Nanisivik is the electrical generating station, within the main industrial building. All power requirements at Nanisivik are dependent on this p…
POLAR PRODUCERS NECRO-CON
The acquisition by Nerco Minerals of Cominco’s Con gold mine at Yellowknife, N.W.T., two years ago first exposed Nerco to underground mining. Until that time, Nerco was primarily an open-pit silver pr…
PUSH BACK THE FRONTIER
Since base metals deposits in southern Canada are being mined at such great depths today, exploration geologists are being forced to rethink the meaning of the word “remote.” Base metals deposits disc…
THE NANISIVIK MILL
After it is mined, ore from the Nanisivik deposit is broken up by a jaw crusher. From there, it is moved along a kilometer of conveyors to the grinding mill. In the flotation process that follows, the…
50 Years Ago FEBRUARY, 1939 DOME RESUMING AT EAST END
This year Dome Mines enters upon the active development of the No 6 shaft area towards the east end of the mine, after two years of letting that section lie fallow. This development will carry detaile…
LETTERS COMPRESSED AIR DEVICE
In the article “Compressed Air, Naturally” in the November issue, the following was stated: “Thus was born, in 1910, the world’s first and only water-powered compressed air plant — the Ragged Chutes …
Specs AN INDEX TO LHSs
Reliability, productivity and flexibility are the hallmarks of any load-haul-dump (LHD) machine worth its weight in ore. Striking an appropriate balance for the job at hand is a tough job for an equi…