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  • SME
    Textures and Mineralogy of the Silver Chert Jasperoid, Mercur District, Utah

    By J. F. Ziegler

    The Silver Chert jasperoid, Mercur District, Utah, records a complex history or silicification and tectonic activity.

    Jan 1, 1990

  • SME
    On nonnegative weights of linear kriging estimation

    By 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

  • SME
    Results of Field Studies on Stratification of Diesel Particulate Matter in Mine Openings

    By 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

  • SME
    Computer Network Calculation Of Creighton Mine Mass Flow And Natural Ventilation

    By 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

  • SME
    Steps in Reagent Development

    By 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

  • SME
    The Flow Of Air Over Rough Surfaces In Simulated Mine Openings

    By 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

  • SME
    Processes for the regeneration of cyanide from thiocyanate

    By 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

  • SME
    Dewatering Of Fine-Particle Slurries Using A Compound-Beach Decanter With Cake-Flow Control

    By 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

  • SME
    The Application Of Geophysics To Integrated Gold Exploration In Canada

    By 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

  • SME
    4. Ground-Control Planning ? Introduction

    By 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

  • SME
    Application Of Percolation Theory To Assessment Of Permeability Enhancement By Micro-Hydrofracturing For In Situ Copper Leaching

    By 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

  • SME
    Long Panels For Longwall Mining At Cyprus Twentymile Coal

    By 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

  • SME
    Review Of Applications Of The Coal-Mine Roof Rating (CMRR) For Ground-Control Planning And Operations

    By 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

  • SME
    Developing Computational Groundwater Monitoring And Management System For Estonian Oil Shale Deposit

    By 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

  • SME
    Inverse Kinematic Solution Of Redundant Manipulators And Obstacle Avoidance

    By 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

  • SME
    Kidston - Discovery of the Kidston Deposit, Queensland, Australia

    By 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

  • SME
    Design and Construction of London Cable Tunnels

    By 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

  • SME
    Western Canadian Coal Production Optimization And Risks Characterization

    By 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

  • SME
    Fundamentals of Sulfide Mineral Flotation

    By 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

  • SME
    Risk Mitigation In Global Mining Development

    By 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