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Application Of Dynamic Systems Modeling To Integrate Hydrologic Processes In Mine Settings
By R. C. Ford, W. L. Niccoli, J. B. Finley
All mining operations are superimposed on natural hydrologic systems. As a result, mining operations are influenced by natural hydrologic processes and require water management systems to successfull
Jan 1, 2002
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An International Perspective On U.S. Minerals Appraisal Standards Development
By T. R. Ellis
Australia’s mineral valuation code continues to evolve, while mineral valuation standards are also being written for Canada and Southern Africa. The author is leading a task force for writing the extr
Jan 1, 2003
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Citizen Participation In Mining
By R. A. Reiley
Introduction Democratic countries are founded on the principle that all citizens have the right to participate in policy setting and decision-making processes. Citizen participation is especially ev
Jan 1, 2001
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Triboelectric Belt Separator For Beneficiation Of Fine Minerals (f4cab3ef-b167-4b85-862c-1e7644f0d45f)
By J. D. Bittner
The ST separator utilizes electrical charge differences between materials produced by surface contact or triboelectric charging. When two materials are in contact, material with a higher affinity for
Feb 27, 2013
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Molybdenum Supply Forecasting
By Rex E. Loesby
The dramatic increase in molybdenum prices from the low of less than $2.50/lb in 1999 to more than $40/lb in 2005 has caught the attention of molybdenum mine owners and exploration project developers.
Jan 1, 2007
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Discussion - Analysis and assessment of grade variability for improving exploration planning and reserve estimation
By E. Tulcanaza
M.S. Azun I do not at all agree with the basic points of the author's conclusion. The use of lognormal or normal model to respond to the attribute distribution function should be carefully quest
Jan 3, 1985
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Resource and Reserve Audits – SME Conference
By Harry Parker
Resource and Reserve Audits Becoming Increasingly Common Types of Audits -Review of Methodology (‘Fatal Flaw’) -Due Diligence – (‘Sign Off’) -Endorsement – (‘QA-QC’) Suggested Standards in Red
Jan 1, 2003
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Technical Note - Computer Simulation of Draglines
By G. P. White, J. M. Jones
Computer simtiation is a technique that has beers around for many years. Its applications include designing steel mills, planning space shota, or even developing ways to beat the casinos in Las Vegas
Jan 9, 1984
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Radon Levels And Radon Daughter Exposures Of Workers In Nonuranium Mines Of The E.C.
By H. Seguin, J. A. Le Gac, S. Bernhard, P. R. ZETTWOOG
The "Service de Protection Technique"of the "Institut de Protection et de Sûreté Nucléaire" was asked by the Commission of European Communities to conduct measurement campaigns which would make it pos
Jan 1, 1981
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Monitoring Of Bolt Axial Loads In Underground Mines
By H. Mitri
A new monitoring device called SAFEBOLT (Stress And Force Evaluator in BOLTs) has been recently developed at McGill University. The device is essentially an alternative to the load cell, it permits th
Jan 1, 2002
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Exploration Procedure ,And Controls Of Mineralization In The Oatman Mining District, Oatman, Arizona
By C. G. Clifton
The Oatman District produced approximately 2.2 x 10 6 ounces of gold and 0.8 x 10 ounces of silver between 1897 and 1942. A total of 3.8 x 10 tons of ore averaging 0.58 O/T gold and 0.17 O/T silver wa
Jan 1, 1980
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Ground Control In Hard Rock Mining
In the last four years, 2007~2010, 9 out of 24 metal/nonmetal underground mine fatalities were caused by ground fall across United States of America (Mine Safety & Health Administration, MSHA). To red
Jan 1, 2012
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Integrating Research and Development in E&C Firms
By Roshan B. Bhappu
Integrating a research and development department into an engineering company's corporate structure can be rewarding to the engineering division, the R&D group, and, most of all, the company&apos
Jan 10, 1980
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Dry Coal Separation With A Vibrated Air-Dense Medium Fluidized Bed - Preprint 09-112
By M. Fan
Dry coal separation technology has particular advantages in the applications in arid and cold regions, or low rank coal separation. The hazardous pollutants in low rank coals can not be efficiently re
Jan 1, 2009
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Ferromanganese crusts in the NE Atlantic Ocean: Occurrences, composition and resource considerations
By Susana Bolhão Muiños, José Hipólito Monteiro, Martin Frank, James R. Hein, Henrique Garcia Pereira, Fátima Abrantes, Tracey Conrad, Luís Gaspar
In spite of all the work that has already been done on ferromanganese deposits, studies on the Atlantic Ocean occurrences are still in their infancy and there is a clear need for investigations concer
Sep 1, 2014
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Coal Mine Ventilation Efficiency: A Comparison Of Us Coal Mine Ventilation Systems - Preprint 09-071
By C. R. Hairfield
With ever rising energy costs, it is increasingly important for mines to operate with energy efficiency. As a large portion of a mine?s energy consumption is often attributed to the operation of mine
Jan 1, 2009
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Bypass Tunnel Shafts—Shotcrete Lining - RETC2023
By Paul Madsen, Bade Sozer, Thomas Hennings, Eileen Test
The Rondout Bypass Tunnel in New York has two access shafts. The upper sections of the shafts are lined with steel pipe to resist a substantial net internal water head . Initial design included a ¾-in
Jun 13, 2023
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High Performance Tunnel Boring Machine for Queens Water Tunnel, No. 3:A Design and Case History
By Joseph J. Diehl, Brian B. Khalighi
This paper discusses the Queens Water Tunnel, No. 3, Stage 2, being driven by a new Robbins High Performance (HP) Tunnel Boring Machine (TBM).The paper is divided into four sections. In the INTRODUCTI
Jan 1, 1997
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Some Thoughts On the Current Situation and A Look Ahead
By Richard J. Stoehr
In his time on earth, man has mined about 93.3 kt (3 billion oz) of gold. About one-half of this has been produced in the past 35 years. Roughly one-third of this gold is held as reserve in Central Ba
Jan 11, 1984
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Effect on best practices by the lack of mineral policy
By E. Steiakakis, A. Athousaki
Nowadays, stakeholders have a strong say to the enforcement of best practices by mining and quarrying companies. In most cases there is a direct relationship between sustainable development principles
Jan 1, 2011