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Mining Methods at the Wright-Hargreaves Mine
By L. B. Smith
Introduction The property of Wright-Hargreaves Mines, Limited is situated at the northeastern end of Kirkland lake, Ontario. It lies immediately east of the Lake Shore mine, and about in the centre o
Jan 1, 1934
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Difficult Gold Gravity Recovery Separations
By J. Ling, L. Racine, P. Cousin, A. R. Laplante
"The problem of gold recovery by gravity from high density gangues is first discussed from a fundamental perspective. Three potential difficulties are presented: poor liberation and fine gold particle
Jan 1, 1997
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Ball Charge Dynamics and Liner Wear Simulation
By Peter Raziszewski
"A ball charge dynamics model is presented. Simulation results are compared with observed data showing good correlation. Based on the charge dynamics models, a liner wear model is presented along with
Jan 1, 1997
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Assessment of the Impact of Water-Cooled Chill Technology on Microstructure Length-Scales in an A319 Engine Block Casting
By Daan Maijer, Wade Marquardt, Robert MacKay, Steven Cockcroft, Farzaneh Farhang Mehr
"To comply with the new Corporate Average Fuel Economy (CAFE) standards, the automotive industry is aiming to reduce weight and increase the power and efficiency of small displacement engines through
Jan 1, 2017
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Experimental and Modelling Research of Slag Properties in Nickel Laterite Smelting
By Peter Hayes, Evgueni Jak, Taufiq Hidayat, Gary O’Connell, Denis Shishin, Jeff Chen, Francis Letarte
"Knowledge of slag properties is required for the optimisation of smelting operations. The phase equilibria and viscosities of the Al2O3-CaO-FeO-Fe2O3-MgO-MnO-NiO-Cr2O3-SiO2 slags at conditions of int
Jan 1, 2017
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Process Applicaiton Design of Hydrocyclones for Closed-Circuit Grinding
"Generation and removal of fines are considered in the context of the mill and classifier as a single-unit process in which grinding rates and mechanisms, mill residence time distribution, circulating
Jan 1, 1984
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Metrology in Mineral Exploration
By Jan W. Merks
The objective of metrology in mineral exploration is to derive unbiased confidence limits for masses of metals contained in reserves and resources. Sets of test results for gold and silver determined
Oct 1, 2009
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Training to Process Analysis Methods using a Gold Leaching Simulator
By Jessica Egan, Daniel Hodouin, Mohammed Reza Khalezi, Steve Bellec, Claude Bazin, Carl Duchesne
"A model for gold leaching was developed and implemented into a simulator. The simulator uses a description of the ore that is based on the mineral composition and precious metal content. The model ac
Jan 1, 2008
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Hydrophobic-Hydrophilic Separation (HHS) Process for Simultaneous Recovery and Dewatering of Fine Particles
By Minerals Refining Company, Gerald Luttrell, Biao Li, Robert Bratton, Roe-Hoan Yoon, Stan Suboleski, Nikhil Gupta
Flotation is regarded as the best available method of upgrading coal and mineral fines in the mining industry. However, its efficiency deteriorates rapidly with decreasing particle size. Furthermore,
Jan 1, 2016
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A Study of Some Alloys of Titanium
By W. E. Kuhn
Introduction The work, of which some of the results are described in this paper, was started with the object of investigating the properties of certain binary alloys of titanium made from powders.
Jan 1, 1950
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Converting AG to Sag Mills: The GOL-E-Gohar Iron Ore Company Case
By M. Maleki-Moghaddam
At the concentration plant of the Gol-E-Gohar Iron Ore Company (Iran) three 9 m × 2.05 m AG mills (fixed speed) are used in parallel in a dry operation. The performance of AG mills has been lower than
Jan 1, 2012
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An investigation into the relationship between the expiosibility and mineralogy of sulphide ore dusts
By J. P. Sairrlon, K. G. Wheeland, K. J. Mintz, B. J. Kiener
Iwenty-one ore dusts of varying mineralogy, sulphur content and reputed in-mine explosibility were selected from eight mines. After chemical and mineralogical analysis and sieving into two size fracti
May 11, 1988
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Analysis of Decisive Factors in Opening an Underground Dimensional Limestone Quarry
By I. Cotman
Dimensional stone processing has become an important part of the world extractive industry, and today?s total stone block yearly production is estimated to be around 134.000.000 tons and is still grow
Aug 1, 2013
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Mining law: Bridging the gap between common law and civil law systems
By C. Siac
"It is a widely held view that in the 21st century, the mining industry will be dominated by a relatively small number of large companies, truly global in scope and internationally staffed (Gooding, 1
Jan 1, 2003
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The Orvan Brook Volcanogenic Massive Sulfide Deposit: Anatomy of a Highly Attenuated Massive Sulfide System, Bathurst Mining Camp, New Brunswick
By D. R. Lentz, S. H. Mcclenaghan, J. A. Walker
"Abstract - The Orvan Brook deposit is one of several (Zn+Pb>>Cu)-rich sulfide deposits hosted by the Spruce Lake Formation (California Lake Group) in the northwestern part of the Bathurst Mining Camp
Jan 1, 2006
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Geology and Mineral Deposits of the Gallinas Mountains REE Deposit, Lincoln and Torrance Counties, New Mexico, USA
By Virginia T. McLemore
The Gallinas Mountains are in northern Lincoln County and southern Torrance County, New Mexico, USA where a series of alkaline igneous bodies, including porphyritic latite, trachyte/syenite, andesite,
May 1, 2011
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Mathematical Models for Optimum Design of Grinding Circuits
By A. L. Mular
Some specific cases of the collection of data from industrial grinding and classifying operations, and the development of models from the data so obtained, will be described. The problems encountered,
Jan 1, 1971
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Design and Construction Evolution of the Kemess Mine Tailings Dam
By Georgia J. Lysay
The Kemess Mine tailings impoundment is retained behind an earthfill and rockfill dam that, when complete, will measure about 140 m in height with a crest length in excess of 1 km. Due to weak foundat
May 1, 2007
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Case History of Lost Circulation Jobs Leduc-Woodbend Field, Alberta
By H. F. Naldrett
"AbstractAt the end of May, 1950, Imperial Oil, Limited, had completed a total of 192 D-3 wells in the Leduc-Woodbend field, 62 of which lost circulation in the D-3 zone for periods ranging from two h
Jan 1, 1950
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Real-Time Data Reconciliation for Process Control
By Éric Poulin, Simon Gariépy, Mario Paredes Malca
"While the design of a control strategy depends on the available process knowledge, its implementation depends on the available process information. On-line chemical analyzers are today widely spread
Jan 1, 2006