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Textures and Mineralogy of the Silver Chert Jasperoid, Mercur District, UtahBy J. F. Ziegler
The Silver Chert jasperoid, Mercur District, Utah, records a complex history or silicification and tectonic activity.
Jan 1, 1990
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On nonnegative weights of linear kriging estimationBy Y. C. Kim, F. Szidarovsky
The technique of linear kriging as a grade estimation method of mining blocks is reason¬ably established in the mining industry. During the kriging process, negative kriging weights ([]i) are sometime
Jan 1, 1987
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Results of Field Studies on Stratification of Diesel Particulate Matter in Mine OpeningsBy Wenhua Wan, Jan M. Mutmansky
Many concerns have been expressed worldwide regarding the use of diesel equipment in underground mines due to the potential health risks associated with diesel particulate matter (DPM). In assessing t
Jan 1, 1997
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Computer Network Calculation Of Creighton Mine Mass Flow And Natural VentilationBy J. Stachulak
This paper deals with theoretical considerations and practical applications of ventilation network calculations, based on mass flow rates and performed by computer simulation in our deepest operating
Jan 1, 1980
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Steps in Reagent DevelopmentBy Peter V. Avotins
During last year's AIME meeting in New Orleans, Deepak Malhotra and I were discussing some of the topics that would be presented in this Symposium. It seemed appropriate that along with papers on
Jan 1, 1986
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The Flow Of Air Over Rough Surfaces In Simulated Mine OpeningsBy M. J. McPherson, P. Mousset-Jones, G. Danko, F. Calizaya, K. You
The friction factor is one of the more difficult parameters to determine in ventilation planning. In practice, this can be estimated from published factors such as those of McElroy. The problem with t
Jan 1, 1991
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Processes for the regeneration of cyanide from thiocyanateBy D. Dimitriadis, T. Polglase, M. M. Botz, W. Phillips, R. Jenny
Cyanidation processes for the extraction of gold or silver frequently involve the processing of sulfurcontaining solids that react with cyanide to form thiocyanate. The formation of thiocyanate is an
Jan 1, 2002
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Dewatering Of Fine-Particle Slurries Using A Compound-Beach Decanter With Cake-Flow ControlBy A. H. Shapiro, W. –F. Leung
A decanter centrifuge of novel design was developed for the dewatering of fine-solids slurries having micrometer-range particles that form pastelike, flowable, hard-to-dewater cakes. The design combin
Jan 1, 2003
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The Application Of Geophysics To Integrated Gold Exploration In CanadaBy M. Robb, S. J. Bate, M. Boisvert
The never-ending quest for gold-bearing ore deposits is a primary industry in Canada, employing people of widely differing expertise. The exploration models for gold deposits are generally geologicall
Jan 1, 1989
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4. Ground-Control Planning ? IntroductionBy Christopher Haycocks
Successful ground control is an essential part of all viable underground mining operations. To a large extent ground conditions influence the choice of mining methods, percentage and cost of extractio
Jan 1, 1979
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Application Of Percolation Theory To Assessment Of Permeability Enhancement By Micro-Hydrofracturing For In Situ Copper LeachingBy T. M. Yegulalp
A numerical model is being developed to assess the enhancement of permeability by improved fracture connectivity by micro-hydrofracturing. A generic two-dimensional percolation model has been develope
Jan 1, 1995
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Long Panels For Longwall Mining At Cyprus Twentymile CoalBy Gary Buchan
During several months in 1996 and 1997, Cyprus Twentymile Coal Co. (TCC) set world production records at its Twentymile Mine in northwestern Colorado. These records were due to the company's impl
Jan 1, 1998
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Review Of Applications Of The Coal-Mine Roof Rating (CMRR) For Ground-Control Planning And OperationsBy W. J. Wuest, M. J. DeMarco
The US Bureau of Mines (USBM) recently developed a rock-mass classification system for evaluating the structural competency of bedded roof strata. The system is called the coal-mine roof rating (CMRR)
Jan 1, 1997
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Developing Computational Groundwater Monitoring And Management System For Estonian Oil Shale DepositBy H. Lind
Mining in Estonian oil shale deposit mainly takes place in the Ordovician, Keila-Kukruse aquifer. The aquifer is affected by mining and is fully dried out around the working mine areas (Perens and Sav
Jan 1, 2008
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Inverse Kinematic Solution Of Redundant Manipulators And Obstacle AvoidanceBy Zhen-lu Zhao
The manipulators possibly used in underground mining must deal with unpredictable obstacle while keeping certain positions and orientations of end effector, and in some cases, are required to possess
Jan 1, 1989
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Kidston - Discovery of the Kidston Deposit, Queensland, AustraliaBy D. C. Rotherham
The Kidston gold discoveries were originally made about 1907, and by 1934, 1.76 Mg (62,000 oz) of gold had been produced from placer and lode mining of higher grade, most¬ly oxidized gold ore. As mini
Jan 1, 1990
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Design and Construction of London Cable TunnelsBy Michael Francis, Chris Darton
More than 55 km of tunnels have been constructed by TBM in the last 12 years to refurbish and upgrade the high voltage cable network in London. These include a tunnel of 20km length using EPBM machine
Jan 1, 2003
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Western Canadian Coal Production Optimization And Risks CharacterizationBy S. Frimpong
The coal mining industry is an important sector of Canada?s economy. The cost of mining and haulage of coal in Western Canada is a major focal point when compared to inexpensive coal from Australia.
Jan 1, 2011
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Fundamentals of Sulfide Mineral FlotationBy S. Chander
The fundamentals of flotation are reviewed with an objective to understand the limitations in predicting the performance of a sulfide mineral flotation system and in its scale-up from laboratory studi
Jan 1, 1999
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Risk Mitigation In Global Mining DevelopmentBy Wayne W. Murdy
Since 1993, Newmont Mining has been growing through the development 'q of three major foreign mining operations with a fourth under construction. The first project, Yanacocha in Peru, began ope
Jan 1, 1997