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Engineering The Health, Safety And Comfort Of Dump Truck Operators
By N. Aouad
Dump truck operators are exposed to whole-body vibration (WBV) levels that exceed the International Standard Organization (ISO) 2631-1. The WBV level measured by RMS acceleration value, for operator c
Feb 27, 2013
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DREYER AWARD - How Orebodies are Found
By J. David Lowell
The first part of this article is a review of industry techniques and styles during the past 50 years. It is followed by my career history during the same period. The second part covers my ideas abo
Jan 1, 2000
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Times Square Connection: ?Supporting The Cross Roads Of The World?
By Victor F. Paterno
In December of 2007, a joint venture of J.F Shea, Skanska and Schiavone referred to as S-3II, was awarded a $1.15 billion (? 886,880,000) contract to construct the run-ning tunnels and station structu
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Applicable Analytical Tools For A Seismic Design Of Underground Excavations
By Christopher M. St. John, Tony F. Zahrah
Empirical and numerical methods are the two extremes of the tools available for the seismic design of subsurface excavations and underground structures. Both have their limitations: when relying on pu
Jan 1, 1985
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Creation Of An Underground Mine Development Sequencing Optimizer
By M. J. Blattman
Upon completion of an underground mine design, the planning engineer is faced with a surprisingly complex problem, “What development and mining sequence should be implemented so as to maximize the ret
Jan 1, 2003
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Optimisation Of Single-Layer Cover Made Of Desulphurized Tailings: Application To The Doyon Mine
By I. Demers
Doyon mine, Quebec, Canada evaluates the possibility of desulphurizing their tailings to produce material to be used in as cover over the acid generating tailings disposal site. Laboratory tests were
Jan 1, 2008
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On the Mechanisms of Silica (SiO2) Recovery in Magnetite Ore Low-Magnetic-Drum Concentration Mining, Metallurgy and Exploration
By A. López-Valdivieso, M. A. Corona-Arroyo, M. Llamas-Bueno
Magnetite (Fe3O4) ore is concentrated by low-magnetic-field drums to recover a magnetite concentrate that is low in silica (SiO2). The presence of SiO2 in the magnetite concentrate for steel productio
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Geologic study of gravels of the Agua Fria River, Phoenix, AZ
By William H. Langer
The annual consumption of sand and gravel aggregate in 2006 in the Phoenix, AZ metropolitan area was about 76 Mt (84 million st) (USGS, 2009), or about 18 t (20 st) per capita. Quaternary alluvial dep
Jan 2, 2010
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Geotechnical Considerations for the Final Design of the Detroit Upper Rouge Tunnel CSO Project
By Jean Habimana
The Detroit Upper Rouge Tunnel CSO Control Project will capture and store up to 201 MG of combined sewer overflow from 28 outfalls in Detroit, Dearborn Heights and Redford Township during wet-weather
Jan 1, 2008
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Genesis Of Salt Dome Hosted Metallic Sulfide Deposits: The Role Of Hydrocarbons And Related Fluids
By Peter E. Price
Salt dome hosted metallic sulfide deposits are the product of a complex evolutionary system involving halokinesis, cap rock development and diagenesis, and the generation, migration, and accumulation
Jan 1, 2013
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Influence Of Nanoscale Roughness On Surface Wettability
By S. C. Brown
A number of studies have suggested that microscale asperities enhance bubble-particle attachment efficiency; however, in practice the roughening of particulate surfaces can also lead to a decrease in
Jan 1, 2003
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Tunnelling Under Glaciers - Construction Update: Galore Creek Mine Access Tunnel, British Columbia, Canada
By Dean Brox
The Galore Creek Mine project is one of the newest major mining projects under development in Canada. The project is located in a very remote area of northwestern British Columbia and is being develop
Jan 1, 2008
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Unitized, Portable Flotation-Leach Plants For Treating Partially Oxidized Gold And Silver Ores
By Paul H. Johnson
Resource Engineering and Development, Inc. is desigining and building a portable 150 to 225 tpd, flotation-cyanide leach plant with unitized, skid-mounted components. This plant design, with its porta
Jan 1, 1981
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Closing the Historic Alaska-Juneau Mine
By Joseph L. Petrillo
In July 1997, Kvaerner Environmental signed a unique contract with Echo Bay Alaska called the Transfer Risk and Accelerate Closure (TRAC). The contract called for Kvaerner to assume the responsibilit
Jan 1, 1999
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Productivity Gains Using A Computer-Aided Earthmoving System On A Track-Type Dozer
By D. R. Gagnon
Mining companies are continually looking for product-ivity and efficiency improvements with their equipment to reduce operating costs. This paper will review the results of a productivity analysis co
Jan 1, 2002
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Low-Rank Coal Ash Characterization- Washability And Utilization Implications – Preprint 97-132
By P. D. Rao, D. E. Walsh
Chemical and physical properties of typical low-rank coal (LRC) ash are significantly different than bituminous coal ash. With the exception of extraneous ash, which is incorporated during mining or i
Feb 24, 1997
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Continuous Improvement And Teamwork Are The Keys To Success At Phoenix Mine
By Scott Ellenbecker
The formation in Newmont Mining?s Phoenix Mine near Battle Mountain, NV contains high levels of abrasive quartzite as well as gold, copper and silver. Newmont started mining operations at Phoenix (for
Jan 1, 2009
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A Framework For Simulating The Flotation Process
By E. V. Manlapig
This review paper describes recent advances that have been made at the Julius Kruttschnitt Mineral Research Centre (JKMRC) in Brisbane in developing a framework for simulating the flotation process. T
Jan 1, 2001
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Discovery of the El Sauzal Gold Deposit in Chihuahua, Mexico
By Susan P. Taite, Alain R. Charest, Peter D. Lewis
The El Sauzal deposit is a classic, high sulfidation, epithermal gold system located in the southwestern Chihuahua state of Mexico (Fig. 1). A Francisco Gold geologist discovered the prospect in1995.
Jan 1, 2005
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Actual vs. Baseline Tracking During TBM Tunneling In Highly Variable Glacial Geology
By Ulf G. Gwildis
The Bright water Conveyance System includes 21 km of tunnels mined by two earth pressure balance Tunnel Boring Machines (TBMs) and two slurry TBMs. The probabilistic baseline approach defined in the G