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Theory
A general analytical solution of the effect of an inclined contact separating two media of differing electrical properties on a normally incident plane electromagnetic field has been given (Geyer, 197
Jan 1, 1973
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Assessing the Feasibility of Constructing a Subsea Water Supply from the New Territories to Ma Wan Island ù Directionally Drill or Tunnel?
By D Moy, T Carter
This paper outlines the feasibility assessment conducted to explore the possibility of constructing two submarine water supply pipelines beneath the Ma Wan Channel in Hong Kong using either horizontal
Jan 1, 1999
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TQM Principles at Work at Nickol Bay Quarry - A Case Study
By Marton A
The Readymix Group have a Quarry Improvement Program - 'Building in Quality (BIQ) which has many parallels to the ICI Explosives' total quality management - 'Quality Improvement Progr
Jan 1, 1994
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Designing The Sacaton Concentrator
By Dennis K. Mortensen
Startup of the 9000 tpd Sacaton concentrator is expected to increase Asarco's domestic copper concentrate capacity by 21%. The plant site is located due west of the mining operations, consisting
Jan 11, 1974
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Solvent Extraction Studies of Molybdenum with Cyanex® 600
By Michael Moser, Brighty Dutta, David Dreisinger
"Molybdenum is widely used in the industries as an alloying element in the manufacture of steels and super alloys. The widespread use of the element encourages a growing need to develop extraction pro
Jan 1, 2017
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The effect of energy impacts on the leaching performance of eudialyte concentrate and selective recovery of zirconium and REE from pregnant solutions
By I Zh Bunin, V A. Chanturia, V G. Minenko, M V. Ryazantseva, A L. Samusev
A promising source for the extraction of rare metals and REEs in Russia is the eudialyte ores of the Lovozero deposit, which do not contain active uranium components. The eudialyte ore reserves of the
Aug 24, 2022
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What the Mining Industry Expects of Mining and Mineral Processing Engineers
The purpose of this talk is to report the answers to the-'two following questions: I. What unique services does the mining industry expect of mining and mineral processing engineers? II. What
Jan 1, 1961
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Integrating Data, Applications and Users
By McAuley T. J
Computer software is an integral part of mining operations today with many sites using six or more software packages on a daily basis. However, the use of these different programs generates the need
Jan 1, 1995
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Nickel Smelter Slag Microstructure and its Effect on Slag Leachability
By llya Perederiy, Vladimiros G. Papangelakis, Indje Mihaylov
"Nickel slags obtained from various smelting furnaces and converters differ in terms of their chemical composition and microstructure. The microstructure of the slag is largely affected by how fast th
Jan 1, 2012
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Major Underground Station in Montreal - RETC2021
By Verya Nasri, Jaeseoung Lee, Ashish Bhargava, Shashank Gupta
This paper presents the unique design and construction challenges for the Technoparc Station, located in downtown Montreal as a part of Réseau Express Métropolitain (REM), a light rail rapid transit s
Jun 13, 2021
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Photochemical Reactions At The ZnS-H20 Interface ? Introduction
By D. R. Dixon
Since the critical role of oxygen in xanthate flotation of sulphides was established (1) subsequent studies have been concerned mainly with the galena-xanthate system. It is therefore surprising to fi
Jan 1, 1974
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Bougainville Copper Concentrate Slurry Pumping System ? Introduction
By Robert D. Coale
This paper will describe the copper concentrate slurry pipeline and pumping system between the concentrator and the port at Bougainville Copper Ltd. The operations of Bougainville Copper Ltd. are loca
Jan 1, 1974
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RI 5950 Bituminous Coal Deposits Of The Matanuska Coalfield, Alaska: Central And Western Parts, Wishbone District ? Summary And Conclusions
By Robert S. Warfield
The Federal Bureau of mines and U.S. Geological Survey conducted exploratory investigations and geologic mapping in the Wishbone Hill district of the Matanuska coalfield almost continuously from 1942
Jan 1, 1962
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Extraction of Rare Earth Elements from Phalaborwa phosphogypsum
By R. A. Wildenboer, R. F. Sandenbergh
Rare earth elements (REE) are present at concentrations of approximately 0.36 % in phosphogypsum stacks located in Phalaborwa, South Africa. The REE are present in the phosphogypsum in solid solution
Nov 6, 2024
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Development And Application Of Non-Explosive Demolition Agent Used Limestone As Main Material - 1. Introduction
By Shiro Ishii
When construction sites are in a densely- populated area or near roads, railroad or river, restrictions upon the ways of handling and using explosives such as dynamite and large demolition equipment a
Jan 1, 1982
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The Extraction of the Basal Reef below the Weak Khaki Shale at Harmony Gold’s Tshepong Mine
By K R. Brentley
"Tshepong Mine, Harmony’s largest gold producing mine, is situated in the Free State portion of the Witwatersrand Basin, east of Odendaalsrus and north of Welkom, South Africa. The Basal reef is a nar
Jan 1, 2015
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Apolar Physically-Adsorbed Agents In Froth Flotation
By S. Kondratiev
Mechanism of the action of nonpolar physically adsorbed reactants in froth flotation is under discussion in the paper. It is shown that their basic influence on flotation includes removing of the kine
Sep 1, 2012
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Empleo de microfiller de carbonato de calcio como adición mineral en mezclas de shotcrete para aplicaciones mineras.
By Enrique Pasquel Carbajal
El presente texto describe los resultados realizados por el Centro de Investigación tecnológica del Cemento y del Concreto (CIDETEC) sobre el empleo de microalfiler de carbonato de calcio como adició
Sep 12, 2011
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Current Research in the Geological Sciences in Canada
By J. E. Hawley
This paper constitutes a report from the Committee on Geological Research to the Geology Division of the Institute. Two years have elapsed since a formal report was made containing several resoluti
Jan 1, 1949
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Empirical Evaluation of Factors Affecting Froth Stability in Copper Flotation
By M Zanin, E Chan, D Xu
An experimental design has been developed to investigate the relative influence of distinct pulp and environmental properties on froth stability in the flotation of a typical porphyry copper ore. In p
Sep 1, 2014