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Estimation of liberation
By T. Yalcin
"This paper describes the development of a mathematical model for determining the liberation of an ore at various grinding sizes, based on the combined results of microscopic counting, grinding tests,
Jan 1, 1985
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Maximising Concentrate Revenues at the Xstrata Copper Kidd Concentrator
By G. R. Morin, A. R. Leggett
"In 2010, closure of the Kidd metallurgical plants along with structural changes to the historical ratios of payable metals led to a review of the operating targets at the Kidd concentrator. Previous
Jan 1, 2013
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Flotation Feed Size Distribution
By Claude Bazin
"Laboratory semi-batch flotation tests were conducted using two different sulphide ore samples. The size reduction was adjusted to cover a wide range of flotation feed size distributions. Results show
Jan 1, 2006
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Scraper Loading and Scraper Conveying
By J. B. Keast
Introduction The last two or three decades have been marked by striking developments in methods of mining and tunnelling. In view .of increased competition and various economic factors, intensive &ap
Jan 1, 1933
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Analytical Solution for a Deep Tunnel Excavated in a Porous Elasto-Plastic Material Considering the Effects of Seepage Forces
By R. E. Barbosa
Seepage forces generated during tunnel excavation affect the ground response and may cause severe instability problems, including total ground collapse and flooding into the tunnel. This paper present
May 1, 2009
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Optimizing Grinding Circuits
By James Anstey
BHP Billiton?s Cannington facility is a mining and minerals processing plant near Mt. Isa in Central Queensland, Australia, producing silver, lead and zinc. Mine ore is processed in a concentrator, wh
Apr 1, 2005
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Metallurgical Testing: Modeling Recovery versus Ore Grade
By Manqiu Xu
"Ore grades are decreasing and ore deposits are becoming more complex. In order to make a sound economical decision about a mining project, metallurgical testwork must be carried out. A few large “rep
Jan 1, 2013
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Sampling and assaying of coarse gold at La Herradura–Minera Penmont S. de R.L. de C.V., Mexico
By S. Cossio, J. L. Noyola, R. Espinosa
"Minera Penmont’s La Herradura is a joint venture between Industrias Peñoles, S.A. de C.V. and Newmont Mining Corporation. The mine is located in the northern Mexican state of Sonora. La Herradura con
Jan 1, 2004
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Antimony Milling at Consolidated Durham Mines and Resources Limited
By B. St. Pierre
"The alchemists' symbol for antimony is a diamond with a dot in the centre. The latin name ''stibium'' gives this mineral its chemical symbol ""Sb"" and the name to the principal ore containing antimo
Jan 1, 1977
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The Influence of Minerals on Canadian History and Development
By Charles Camsell
Few persons ever stop to consider how vital an influence minerals, and especially metals, have had upon human history, how they have affected the every-day life of the individual or how at different p
Jan 1, 1926
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Environmental Regulation and Compliance - A Summary
By S. W. Stogran
"A brief summary of the environmental testing and analyses required to ensure and maintain compliance of mining properties will be discussed. Programs for new and existing properties and for propertie
Jan 1, 1992
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Lamella Thickener Performance in Potash Refining (eda27180-f1f6-4ab3-854e-c986b2a1249d)
By Douglas M. Smith, G. A. Maki
"The initial development of the massive potash deposits of the prairie evaporite formation took place over a decade ending in 1970. The potash mining and refining facility near Rocanvi11e, Saskatchewa
Jan 1, 1983
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Process Control at Heath Steele Mines Limited
By Mike Sapiro
"Heath Steele Mines is a base metal producer situated near Newcastle, N.B. presently treating 3500 TPD of complex Cu-Pb-Zn ore. The ore consists of massive fine grained sulfides averaging I. 1% Cu, 1.
Jan 1, 1977
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System Analysis and Simulation of Narrow Vein Mining Method with Underground Pre-concentration
By Mario Morin
The application of underground pre-concentration technology to narrow vein mining has the potential to change the entire economics of bulk mining methods when used in narrow vein situations. The rejec
Oct 1, 2004
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Treatment of Gold Mill Effluents with Hydrogen Peroxide: Operating Experience and Costs
By A. Griffiths, G. Vickell
"INTRODUCTIONA successful cyanide destruction process has to ensure environmental compliance at reasonable cost. That this is possible with hydrogen peroxide is shown by the fact that over twenty gold
Jan 1, 1989
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Underground Wireless LAN Deployment at Agrium Incorporated
By Adrian Rosen
When one thinks of innovation and leadership in wireless communications, one would rarely consider a potash mine to be leading the way. Agrium Incorporated has proven that they are leaders and innovat
May 1, 2006
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Compilation of Industry Practices for Control of Hazards Associated with Backfill in Underground Mines - Part I Surface and Plant Operations
By Euler De Souza
The authors conducted a study of backfill practices in underground mines across Canada to assess the current state of backfill usage and to overview potential hazards associated with backfill practice
May 1, 2009
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The Gravity Recoverable Gold Test and Flash Flotation
By André Laplante, Robert C. Dunne
"The role of flash flotation in precious metal recovery is reviewed. Interacting flash flotation and gravity recovery is discussed. The GRG test can be used, when linked to the behaviour of gold in gr
Jan 1, 2002
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Stereolithography—a rapid prototyping technique for orebody modelling and mine design
By A. Akerman, C. P. O’Connor, N. Vayenas
"Stereolithography is a well-known rapid prototyping technique in the manufacturing sector. Essentially, it is a three-dimensional printing process that produces plastic prototype parts from standard
Jan 1, 2006
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Fine Grinding of a Sparsely Disseminated Sulphide Ore
By Augustine O. Orumwense, Micheline Boisclair
"The use of stirred mill to complement tumbling mills in grinding fine grained minerals is increasingly becoming an attractive processing option. Parameters such as agitation speed, grinding media typ
Jan 1, 2008