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Stoping from Pit Walls While Developing the Underground Mine at St. Lawrence ColumbiumBy L. Ferland, D. LaRonde, J. C. Caron
"The free-world production of columbium ore concentrates has doubled in the last five years. St. Lawrence Columbium and Metals. Corporation has contributed largely to this expansion, its production r
Jan 1, 1967
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Canadian 1970’s Energy Strategy - Conserver Society - SustainabilityBy H. J. McQueen
About 1973 the abrupt decrease in crude oil shipments due to political action by Middle Eastern suppliers, caused a shortage and a steep price rise. In response, Canada had to develop strategies of di
Jan 1, 2015
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Drift prospecting for gold in saskatchewan - use of heavy mineral concentrates in tillsBy S. Averill, B. Schreiner, V. Sopuck
The La Ronge. Kisseynew, Glennie Lake and Flin Flon domains. the main focu for gold exploration in the southeast part of the Saskatchewan Shield, were subject to continental glacial ice advances from
Jan 1, 1986
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Limestone in IndustryBy M. F. Goudge
This paper is intended to call attention to the manifold uses of limestone in industry; to indicate the types of limestone desired by some of the large consuming industries; and to give some informati
Jan 1, 1930
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The Mechanics and Potential Applications of Semiconductor RectifiersBy Janos de Warga
"After a short introduction to the history of the semi-conductor theory, the paper describes the principles of electron and hole flow in the semiconducting materials, the operation of the PN junction,
Jan 1, 1967
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Controls on the distribution of gold mineralization within the cadillac tectonic zone, Rouyn-Beauchastel segment, Abitibi Belt, QuebecBy Yves Gagnon, Nicole Gauthier, Daniel Kelly, Michel Rocheleau
"The Larder Lake-Cadillac Tectonic Zone in Rouyn-Beauchastel area (a 20 km long segment) contains distinct lithotectonic units bounded by artastomosing or sub-parallel shear zones. The gold deposits i
Jan 1, 1990
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Corrosion properties of skin and bulk of semi-solid processed and high pressure die cast AZ91 alloyBy C. Blawert
The corrosion properties of the skin and the bulk of semi-solid processed and high pressure die cast AZ91 alloy were studied in 5% NaCI solution by (a) analysing the corrosion morphology, (b) measurin
Jan 1, 2004
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Copper Sulfate Pentahydrate Production at Phelps Dodge Sierrita Inc.By G. T. Fisher
A continuous process is used at Phelps Dodge Sierrita Inc. to produce copper sulfate pentahydrate via a solution extraction ? crystallization approach to supply the animal feed market. A review of the
Jan 1, 2007
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Protection of aluminosilicate aggregates against the corrosion by molten aluminumBy S. Afshar, C. Allaire
Several studied have recently shown that the use of non-wetting additives is not always a sufficient solution to improve the corrosion resistance of refractories against molten aluminum. Once in conta
Jan 1, 2004
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The Nickel Industry (Review and Projections)By E. H. Holm
"This paper is a market-oriented review of the industry's present and forecasted performance, considering some of the principal factors influencing natural resource development. The author illustrates
Jan 1, 1972
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Rare Earth Metal Ion Solubility in Acidic Sulphate-Phosphate SolutionsBy S. Jayasekera, A. M. T. S. Bandara, J. Kyle, E. Koenigsberger, L. Koenigsberger
The extraction of rare earth oxides from fluoroapatite rich phosphate concentrates often involves a weak acid leach of fluoroapatite and a sulphuric acid bake of the leach residue followed by water le
Jan 1, 2014
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Kinetics of the CESL Gold ProcessBy E. Asselin, P. Sauve, H. Salomon-de-Friedberg
"Residues from the CESL Copper process were leached using the CESL Gold process. The kinetics of reaction were confirmed to be fast with over 50% of the gold consistently extracted within 2 minutes of
Jan 1, 2012
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Precipitation of Iron Fluoride Trihydrate from Mixed Acid Pickle LiquorsBy K. Östcrdahl
We are developing a cost-saving and environmentally friendly process with low energy consumption to recover the metal content and recycle the acid from spent pickle baths. The metals are precipitated
Jan 1, 2006
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A Contribution to Chloride Hydrometallurgy: Regeneration of Superazeotropic Strength HCL via Reactive CrystallizationBy T. Feldmann, G. P. Demopoulos
The feasibility of chloride leaching processes depends on interfacing them with cost-effective HCl regeneration technologies. This paper summarizes the most important findings of research conducted in
Jan 1, 2014
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Thermodynamic Assessment of Ternary NiCrAl Alloys from Calculations to ExperimentsBy R. C. Reed, L. T. Wu, H. C. Harada, K. Kawagish, R. T. Wu
Oxidation of pure metals is a chemical reaction in which the metal loses one or more electrons, such that the atom of the metal changes from the neutral state to a positively charge ion and reacts wit
Jan 1, 2010
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Extracting Gold from Gravity Concentrates Using Grinding and SievingBy G. Clarkson, M. Hitch, R. Clarkson
"A novel reagent-free method of extracting gold from gravity middling concentrates in the Yukon placer fields is presented in this paper. This method exploits the malleability of gold by submitting co
Jan 1, 2017
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The Ontario Securities ActBy W. E. Segsworth
Introduction By far the largest part of the money raised for mining is raised by honest and legitimate means; but a not inconsiderable amount is raised by fraudulent sales methods. It will be conced
Jan 1, 1934
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The Effect of Water Corrosion and Shot Peening on Fatigue Strength of Mining Drill RodsBy T. W. Wlodek
"AbstractThe results of research into the fatigue properties of SAE 1080 carbon steel and nickel-chromium-molylbdenum steel for mining drill rods are analysed and described in detail.The effect of wat
Jan 1, 1952
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Quantitative Characterization of Au Ores by Automated Mineralogy: From Exploration to Mines and Operating PlantsBy T. Grammatikopoulos, K. Gibbs, H. De Souza, C. Gunning
The mineralogy of any ore body is a key factor in defining ore zones and predicting minerals/metals behaviour during processing. The determination of forms of gold, defined as the different chemical s
Jan 1, 2011
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Chapter 11. Types of RoyaltiesBy Karl J. C. Harries
"11.1. INTRODUCTIONA royalty is the most common form of interest retained by an owner who is disposing of his property or by a joint venturer who ceases, voluntarily or otherwise, to participate in th
Jan 1, 2003