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On the early use of iron in the Arctic
By Michael L. Wayman
Archaeological and ethnographic work during the last century has shown clearly that metals have played a small but important role in prehistoric Arctic cultures. For at least the past several millenia
Jan 1, 1999
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The Ecstall Story: The Ecstall Concentrator
By Michael P. Amsden
"THE ECSTALL CONCENTRATOR is situated adjacent to Highway 101 and the Ontario Northland Railroad, 15 miles east of Timmins, Ontario. Ore is delivered to the concentrator by rail from the mine, which i
Jan 1, 1974
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Development of Autoclave Technology
By M. J. Collins
"Autoclaves were first used in the metallurgical industry in 1893 to recover alumina from bauxite. In the 1940s and 1950s, several high temperature and pressure processes were invented in the laborato
Jan 1, 2018
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Grain Refinement in Austenitic and Ferritic Stainless Steels
By R. G. Zaripova, N. D. Ryan, H. J. McQueen
The austenitic and ferritic stainless steels do not undergo any phase transformation that induces very fine grains in the product through thermomechanical processing as practiced in most other steels.
Jan 1, 2004
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The Possibilities and Prospects for the Utilization of Canadian-Produced Copper in Home Manufacturing Industries
By A. H. A. Robinson
Until quite recently-practically up to the present time-all but an insignificant amount of the copper produced in Canada was shipped abroad in the form of ore, matte, blister, etc., there to undergo t
Jan 1, 1931
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The Origins of Pressure Hydrometallurgy
By F. Habashi
The pioneer work on pressure hydrometallurgy was conducted in Russia at the end of the nineteenth, and the beginning of the twentieth centuries, by Karl Josef Bayer (1847-1904) and Vladimir Nikolyevit
Jan 1, 2004
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New bearing application for pinion gear drives on mine hoists
By R. A. McIvor, R. Levac
"The Stobie No. 7 shaft, 14 ft diameter, double- drum skip hoist, was installed at the INCO Limited Frood Stobie Complex in 1942. Figure 1 shows the hoist layout. The hoist was originally equipped wit
Jan 1, 2001
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Technical and Economic Lessons from the Last Charcoal-Blast Furnaces in the World
By R. Luchese de Moraes, J. A. Matthews, C. Feliciano Bruzual
The role of biomass char in blast furnaces has been re-examined by scientists worldwide, as a feasible option to reduce the carbon intensity of ironmaking. This contribution makes a technical and econ
Jan 1, 2015
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Expansion of Uranium Milling at Denison Mines Limited
By E. LaRocque
"Long term contracts requiring delivery of 6,000,000 pounds of U308 per year to its customers have made it necessary for Denison Mines to expand its milling capacity from 7,100 tons per day to 15,000
Jan 1, 1982
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Outotec’s Fully Automated Smelter 2020 – The Vision, the Status and the Future
By Joey Hoang, Robert Johansson, Tapani Keronen, Mikael Jåfs, Jani Jansson, Mikko Korpi
At the Copper 2016 conference in Kobe, Japan, Outotec introduced a vision for the year 2020, wherein smelting would make use of four digital cornerstones: intelligent instruments, advanced process con
Jan 1, 2019
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The BOUSQUET - LARONDE gold--rich volcanogenic massive sulfide complex, Quebec, Canada: discovery, geology and exploration discovery, model
By Patrick M. - Langevin
THIS TALK IS ABOUT : How the DBL mining camp deposits have been found and what is done to find the next one PLAN: Overview of the geological context Historical exploration perspective Deposits
May 1, 2006
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Continuous Improvements of Porcupine Joint Venture (PJV) Dome Mine's Gravity Circuit
By T. Y. Chong, J. A. Folinsbee, M. Fullam
PJV Dome Mine has used some form of gravity concentration since start of milling operation in 1909 to recover free milling gold. Amalgamation and conventional jigs were first used and were replaced wi
Jan 1, 2005
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Froth Recovery Factor-What is it, And why is it so Difficult to Measure?
By M. C. Harris
The past twenty to thirty years have seen unprecedented research activity aimed at understanding the performance of flotation froths. In 1990, Finch and Dobby coined the term froth recovery factor, Rr
Jan 1, 2009
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Chapter 10. Definitions
By Karl J. C. Harries
"10.1. INTRODUCTIONDefinitions are a necessary part of every agreement. Their purposes are to assist the reader in reading and understanding an agreement and to attempt to avert potential confusion an
Jan 1, 2003
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Relative Discovery Potential of the Principal Economic Metals
By C. J. Sullivan
"The outlook for supplying the world's metal needs in the next twenty-five years is good, although in several cases basic costs are likely to increase with rising demand. Metal prices calculated at a
Jan 1, 1970
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Chapter 5. Royalty Interests
By Karl J. C. Harries
"5.1. INTRODUCTIONThis chapter is intended as a general overview of the subject of royalties between private parties – royalties extracted by governments are not dealt with. This same subject is cover
Jan 1, 2003
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Uranium Exploration in the United States
By Phillip I. Merritt
"IntroductionDuring and since• the war, it has been my privilege to work closely with those in Canada who are responsible for the vital raw materials needed in our co-operative atomic energy programme
Jan 1, 1950
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Helicopterborne Electromagnetic, Magnetic and Radiometric Survey-Coronation Mine, Saskatchewan
By Arthur R. Rattew
In conjunction with the research study of the Coronation Mine recommended by the National Advisory Committee on Research in the Geo-logical Sciences and coordinated by the Geological Survey of Canada,
Jan 1, 1962
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Determine Machinery Condition by Vibration and Noise Analysis
By James G. Lyons
All machines vibrate and make noise. An increase signals impending trouble. Vibration and noise analysis allows the condition of the machine to be determined without costly interruption in service for
Jan 1, 1977
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"Target Mattagami"
By R. H. Pemberton
"THE Mattagami district of Quebec has, during the past few years, experienced intense exploration by virtually every mining company operating in Canada. As a result of this activity, a number of well-
Jan 1, 1961