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Drag-Line Dredging
By J. F. Magee
THERE is nothing new about drag-line dredging for placer gold. The use of the separate unit for excavating preceded the large barge with bucket-line excavator mounted upon it, which has developed to a
Jan 1, 1937
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Laboratory Study on Rockbolt Corrosion
The effect of long term exposure of full size bolts to corrosive environments is presented. A special test rig was used to test four bolts under different loading conditions. Four, X-grade identical p
Aug 1, 2013
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Mapping Mining-Induced Subsidence from Space in a Hard Rock Mine: Example of SAR Interferometry Application at the Kiruna Mine, Sweden
By Emmanuel Henry
Hanging wall deformation monitoring at the Kiruna Mine is a major concern for Luossavaara- Kiirunavaara AB (LKAB) since underground production is deepening towards the Kiruna Town. In the quest for mo
May 1, 2003
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The Plugging Effect of Bacteria 1n Sandstone Systems
By T. Fekete, D. L. Flocks, R. T. Hart
The plugging effect of bacteria was investigated by injecting various concentrations of dead bacteria cells though sandstone cores. Pressure profiles along the cores were recorded periodically during
Jan 1, 1960
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Flotation and leaching studies on processing phosphate ore from El-Sebaiya East, Egypt
By A. M. Ramadan
The composition of phosphate rocks, mainly used in manufacturing fertilizers, varies among deposits; therefore, phosphate rocks from different sources are expected to behave differently in acidulation
Jan 1, 2014
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Options for the Separation of Rare Earth Elements
By John R. Goode
"This paper reviews options for the separation of a mixture of rare earth elements (REE) into its component elements. Earlier separations used selective chemistry such as double salt precipitation and
Jan 1, 2016
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Evolution of Dispersoids and Elevated-Temperature Properties during Two-Step Heat Treatments in Al-Mn-Mg 3004 Alloys
By K. Liu
"In the present work, two-step heat treatments with preheating treatments at different temperatures (175, 250 and 330°C) as the first step followed by the peak precipitation treatment (375°C/48h) as t
Jan 1, 2017
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Autonomous Tramming System for Open Pit Drilling Platforms
By V. Polotski
This paper describes a platform for autonomous operations in open pit mining environments. A typical operation consists of: (1) Initial locomotion toward a remote worksite; (2) Pattern navigation with
May 1, 2003
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Prospects for Industrial Development in Cape Breton
By John A. Teeter
"A SHORT WHILE AGO I enquired about The Mining Society of Nova Scotia. In all honesty I was apprehensive about addressing such a body if it was highly geared to the technical aspects of discovering an
Jan 1, 1972
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Cyanidation Studies at the S.A. Lands Gold Mine
By C. E. Smith, R. J. Inglis, M. I. Brittan, J. H. Schoeman
"AbstractA number of plant-scale cyanidation tests were carried out in an attempt to uncover the causes of fluctuations in gold recovery efficiency. Computer analysis of the results verified that the
Jan 1, 1977
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Significant Aspects of the Alberta Sulphur Industry
By W G. Brese
The attention of the world is being focused on the spectacular rise of elemental sulphur production in Alberta. In the short space of a decade, production has increased from less than 10,000 long tons
Jan 1, 1963
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Evaluation of Ion Exchange as a Means of Separating and Recovering Base Metals from Concentrated Chloride Leach Solutions
By G. B. Harris, C. W. White
A study to investigate the recovery of base metals, notably copper, nickel, cobalt, zinc and manganese from iron-free concentrated chloride solutions using ion exchange was undertaken. In such soluti
Jan 1, 2015
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Copper Electrowinning at Duisburger Kupferhuette
By H. Kudelka
Copper electrowinning at Duisburger Kupferhuette was introduced in March 1975. The electrowinning plant has a capacity of 10,000 mT of copper cathodes a year. The cuprous oxide feed material is an int
Jan 1, 1977
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The OECD Steel Industry -with emphasis on Europe
By G. E. Wittur
"The twenty-one members of the Organization for Economic Cooperation and Development, comprising eighteen western European nations plus Canada, the United States and Japan. account for two-thirds of w
Jan 1, 1967
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Major Bulk Loading and Storage Facilities at Port Moody, B. C.
By A. H. Harvey, M. Delangen, A. D. Fernie
"A large-scale expansion to Pacific Coast Bulk Terminals Ltd. has now been completed and placed in operation. The original plant, built approximately eight years ago, consists of the direct rail-car t
Jan 1, 1969
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Dust collection
By I. Tinto
"IntroductionEnvironmental pollution problems, caused by gases or effluents, by high noise levels or from air borne dust, are placing increasing demands of the operators, from statutory authorities, a
Jan 1, 1989
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Froth Flotation and Agglomerate Tabling of Nonmetallic Minerals
By Oliver C. Ralston
DURING the development of froth flotation for the treatment of sulphide ores, a certain amount of information was collected about a few of the nonmetallic minerals, and occasionally the gangue mineral
Jan 1, 1937
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Perthite as Age Indicator in Laurentian Gneiss and Pine Hill Intrusives
By Carl Faessler
Abstract Some Canadian geologists believe chat, in the Grenville sub-province of Eastern Canada, there is no granitic intrusion older than the anorthosite. The writers are among those who hold the
Jan 1, 1946
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The Current Status of the Chemistry of Gold Flotation in Industry
By C. Fortin
The subject of gold flotation has been reviewed extensively in a number of publications. The focus in most of these reviews has been on the theories of gold flotation as well as the physical and chemi
Jan 1, 2011
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Mathematical modelling of oxidative leaching of nickel concentrate magnetic fraction
By M. I. Kalashnikova, Y. M. Shneerson, E. E. Zhmarin, Y. V. Degtiarev, E. M. Vigdorchik
Separation of a magnetic fraction from nickel concentrate following matte flotation, and its treatment in a separate circuit enable reduces precious metals losses. The magnetic fraction is treated in
Jan 1, 2005