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Thermodynamics of the Si-B-N System
By Chikabumi Yamauchi, Mitsuru Tanahashi, Toshiharu Fujisawa
"Thermodynamic properties of impurities in molten silicon are of prime importance in developing economical production methods of solar grade silicon. In the present research work, thermodynamic proper
Jan 1, 1998
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Solvent Extraction Removal of Iron from Zinc Process Solutions Using Organophosphorous Extractants
By F. T. Principe
In order for solvent extraction technology to be acceptable as an alternative to existing jarosite precipitation circuits, iron must be cleanly separated and concentrated into a feed stream suitable f
Jan 1, 1998
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Description of the Shear Stree Distribution around and Excavation at WIPP
The estimation of the shear stress distribution around an excavation is important to the design of the excavation since shear stresses can generate cracks, loosen grain boundaries or otherwise degrade
Jan 1, 1998
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A Novel Method For The On-Line Analysis, Of Active Cyanide During The Cyanidation Of Gold
By Kathryn Hindmarsh
The most common method for the concentration of cyanide in gold leach circuits is based on the titration of cyanide ions with silver ions. This can either be done manually as a titration with a visual
Jan 1, 1998
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Maximising Recovery at Silver Swan Nickel Mine using Cement Stabilisation
By P R. Lock
The Silver Swan nickel mine is located at the Black Swan Nickel Project, 53 km north east of Kalgoorlie, Western Australia. The Silver Swan orebody is a massive sulphide nickel deposit dipping 70¦ eas
Jan 1, 1998
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Exploratory Data Analysis: A Precursor to Resource/Reserve Estimation
By A. J. Sinclair
Abstract-Exploratory data evaluation is an essential part of every high quality, mineral inventory estimate. Efficient analysis involves a thorough organization of available quantitative data that are
Jan 1, 1998
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Transfer Station Analysis
By Andrew I. Hustrulid
The discrete element method has successfully been used to model the behavior of material flow in transfer stations. With position, velocity, and applied forces for every particle and boundary in the s
Jan 1, 1998
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A hydraulic ore hoisting installation at the Detour Lake Mine QK Zone project: A feasibility study
By H. J. Glass, J. G. L. Bekkers
"In order to determine the feasibility of a hydraulic ore hoisting installation, the optimal operating conditions were calculated for applying such a system at the Detour Lake Mine of Placer Dome Ltd.
Jan 1, 1998
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Cyanide: Just The Facts
By Courtney A. Young
Cyanide is a fast-acting, highly toxic substance but, at the same time, is deemed essential for sustaining life as well 'as our standard of living. In this manuscript, the facts about cyanide are
Jan 1, 1998
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The Mining Cycle at Gympie Eldorado Gold Mines
By I Levy
At our Monkland Mine at Gympie, we operate a deep, narrow vein gold mine using hand held equipment, rail mounted haulage and narrow shafts. This is in many respects the old-fashioned way and is well s
Jan 1, 1998
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Rolling Texture Simulation with Deformation Banding Criterion
By G. L. Liu
"Deformation Banding ( DB ) in cold rolled mild steel has been experimentally established by microstructure investigation. Deformation banding model includes such deformation mode when it is applied t
Jan 1, 1998
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Statistical Analysis of Dragline Monitoring Data
By Baafi E. Y
Dragline monitoring systems are normally the best tool used to collect data on the machine performance and operational parameters of a dragline operation. This paper discusses results of a time stud
Jan 1, 1998
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Unresolved Problems With the Use of Cyanide in Open Pit Precious Metals Mining
By Glenn C. Miller
Cyanide is the most common lixiviant for extraction of precious metals, and its efficient use in open pit mines has contributed to the increase in world production of gold during the previous two deca
Jan 1, 1998
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The Backfilling Philosophy for Massive Mining at Depth in the South Deep Section, Western Areas Gold Mine
By A J. MacDonald, M P. Raffield
The South Deep massive orebody consists of 20 to 30 m of payable conglomerates ranging in dip from 11¦ to 20¦ and at depths of between 2400 m and 3400 m. The mine design process selected a mining meth
Jan 1, 1998
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Design And Operation Of A Novel Gas Cooler For Refimet Copper Smelter, La Negra, Chile
By Tim J. A. Smith
Fundicion Refimet S.A. has operated a custom copper smelter at La Negra, near Antofagasta in northern Chile since 1993. From an initial operation based on Reverb smelting and Peirce-Smith, converting,
Jan 1, 1998
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Artificial Neural Netword System with Hierarchic Structure to Evaluate Resource Condition of Surface Mining Areas
By Zhang Y. D, Zhang R. X
A new decision-making approach of artificial neural network system with hierarchic structure is presented. The fundamentals of network topology, node functions and network training are introduced. A
Jan 1, 1998
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Use Of Micropiles And Soil Nail Piles In State Of California Earthquake Retrofit Project No.#569 - Deep Foundations Institute Seattle, Washingon October 7-9, 1998
By Ron Bromenschenkel
The State of California, Department of Transportation is currently retrofitting a major interchange near the San Francisco area. The project is located in a highly traveled area of Oakland with light
Jan 1, 1998
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The Trekelano Group of Mines - A Brief History
The old Trekelano mining area is situated in the Cloncurry Gold and Mineral Field 14 km east-south-east of Duchess. It connected with the main Cloncurry-Dajarra railway line by a private line from Jue
Jan 1, 1998
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Management of the Technological Development for the Next Century Challenges: A Case Study
By Paulo Roberto, S. M. Roberto, Francisco Valadares Póvoa, Evandro C. Silva
The market of mineral goods worldwide is characterized by a growing pressure on suppliers for better quality products, lower prices and productive processes which are energetically efficient and envir
Jan 1, 1998
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Liberation Of Alkali Salts From Fluxed Iron Ore Pellets During Induration
By B. P. Mohanty, D. A. Shores
During the induration of fluxed taconite pellets, alkali salts deposit on the grate support bars, causing severe corrosive degradation of these alloys. To determine the source of these deposits and to
Jan 1, 1998