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Accounting for Risks in Economic Evaluation of Gold Mining Projects in Ghana ? A Case Study
By Peter A. Eshun
This paper studies two methods that account for risks associated with gold mining projects such as mineral risks and country risks. The first method is sensitivity analysis, which investigates the eff
May 1, 2004
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The Power Vacuum: The Effect of the Electricity Power Crisis on GDP in South Africa in the Context of an Uncertain Coal Supply
By F. Sorensen
ABSTRACT Electricity production by the Electricity Supply Commission of South Africa (Eskom) is the most important beneficiation process for South African coal. As one of the world’s lowest cost produ
Jan 1, 2011
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Production of High-Quality Electrorefined and Electrow on Copper at Inco?s Copper Cliff Copper Refinery
By A. S. Gendron
A brief description of Inco's ORC copper refinery tankhouse and the electrowinning tankhouse is followed by a comparison of the requirements for the production of the high-quality copper in both
Jan 1, 1977
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Geological Setting, Petrology, and Geochemistry of Granitic Pegmatites and Leucogranites Hosting U-Th-REE Mineralization at Fraser Lakes Zone B, Wollaston Domain, Northern Saskatchewan, Canada
By Kevin M. Ansdell, Irvine R. Annesley, Christine L. Mckechnie
The U-Th-REE mineralization at Fraser Lakes Zone B is hosted by granitic pegmatites and leucogranites, which lie along the deformed contact between Paleoproterozoic metasedimentary gneiss of the Wolla
Jan 1, 2013
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Advanced Control for Mineral Processing: Better Than Expert Systems
By Robert K. Jonas
"Minerals processors can improve production by using the best available control technology to control their operations. Many mines use expert systems that can provide improved results over manual or b
Jan 1, 2008
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Red Lake Area of Patricia
By E. L. Bruce
Red lake is a body of water some thirty miles in length lying about forty miles northwest of the outlet of Lac Seul. It forms one of several large lake expansions on a river which enters the English r
Jan 1, 1926
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New Support Concepts for Hard Rock Mining Applications
By Thomas M. Barczak
A critical safety component for all underground mining is intrinsic and standing support systems. Specifically, tabular hardrock mining exploits a wide variety of deposits that require various metho
May 1, 2007
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LKAB Green Pellets
By F. Lindroos
A cornerstone in the LKAB Green Pellet concept is to produce pellets with a small footprint in terms of energy con-sumption, CO2 emission and emission of other elements harmful to the environment, lik
May 1, 2011
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The Measurement of Rock Pressures Induced by Mineral Extraction
By A. N. May
"This paper describes the present approach of the Mines Branch to the problem of measuring the stress condition in the interior of rocks surrounding underground openings. An instrument, which will be
Jan 1, 1960
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The Gorgas, Alabama, Experiment in Underground Gasification of Coal
By Milton Fies
Introduction The first experiment in underground gasification of coal in the United States was conducted at Gorgas, Walker county, Alabama, under a co-operative arrangement between the U.S. Bureau
Jan 1, 1948
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Some Geological Aspects of the Mindamar Mine, Stirling, Richmond County, N.S.
By Paul W. Richardson
"Introduction And AcknowledgmentsTHIS PAPER outlines the geology and discusses the geological problems of the Mindamar mine. It is impossible to acknowledge the contributions of ideas of all the geolo
Jan 1, 1953
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IsaMill? Technology in the Primary Grinding Circuit
Originally developed as a step change in ultrafine grinding efficiency, the IsaMill? has made inroads into conventional ball mill and tower mill mainstream grinding duties during the last 5 years - be
Jan 1, 2012
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Reliability and maintainability models for mobile underground haulage equipment
By L. K. Daneshmend
"Competitive pressures dictate that the mining industry moves to larger mobile underground haulage equipment with more advanced equipment mechanization, higher levels of autonomous operation of machin
Jan 1, 2003
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The Kumtor Gold Mill Start Up and Start up Challenges
By John Kazakoff, Andrew Mortimore
"Production at the remote Kumtor Gold Mine in Kyrgyzstan commenced on schedule in December 1996.The ore mined during the first few months of 1997 from the upper benches of the pit did not produce the
Jan 1, 1999
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A Review of Advanced Control Applications in Mineral Processing
By A. Vien, B. C. Flintoff, R. P. Edwards
"This paper provides a critical review of the development and application of advanced controls in mineral processing at the industrial level. These algorithms can be sub-divided into four broad catego
Jan 1, 1992
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Economical Benefits of Autogenous Grinding
By Seppo Lähteenmäki, Pertti Koivistoinen, Jaakko Levanaho
"This paper describes the benefits and disadvantages of fully autogenous grinding when compared to grinding with steel grinding media. The study is a real case study based on a low tonnage, high grade
Jan 1, 2000
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Canada-Japan Resource Trade in an International Perspective
By T. Iwasaki
This paper points out two key elements in resource trade in general and the Canada-Japan relationship in particular. The first is that the advanced countries have a more important role than one would
Jan 1, 1978
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Compilation of Industry Practices for Control of Hazards Associated with Backfill in Underground Mines - Part II Underground Transport and Stope Placement
By Jamie Archibald
The Department of Mining Engineering at Queen?s University conducted a study of backfill practices in underground mines across Canada to assess the current state of backfill usage and to overview pote
May 1, 2009
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The iron elephant: A brief history of hydrometallurgists 2019 struggles with element no. 26
By A. J. Monhemius
This paper reviews the history of modern iron-control processes in hydrometallurgy. Attention is paid to processes developed in the electrolytic zinc industry for removal of iron from zinc sulfate lea
Jan 1, 2017
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An integrated hydraulic mining, selective agglomeration and hydraulic transportation process for Western Canadian coals - Part 1: Selective agglomeration of metallurgical coal in stirred tanks and in a pipeline loop
By W. Pawlak, J. Janiak, C. Rodkiewicz, B. Ignasiak
"There is a general consensus that, in order to widen the utilization of Western Canadian coals, a major effort must be devoted to their transportation, utilization of fines, beneficiation and mining
Jan 1, 1986