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  • SME
    Cuyuna Range Manganese Resources

    By R. J. Beltrame

    The Cuyuna range, located in east-central Minnesota, consists of a sequence of argillite, siltstone, iron-formation, graywacke, slate, and quartzite of early Proterozoic age. Manganese-bearing materia

    Jan 1, 1981

  • SME
    Optimal Sizing Of Conventionally-Sunk Ventilation Shafts Based Upon Capital And Operating Criteria (e05ee128-628b-45f8-8a69-2e8e36ccc831)

    By Y. J. Wang

    The selection of a shaft size for ventilation purposes is a classic problem of concern to mining engineers. This presentation is concerned with the sizing of conventionally-sunk circular shafts with c

    Jan 1, 1977

  • SME
    Insights Into Heap Leach Technology

    By N. Dhawan

    With ever-increasing demand, low-grade complex ores and strict environmental regulations, metallurgical processing options have become limited. Heap leach technology provides several benefits to comba

    Jan 1, 2012

  • SME
    Underground Construction Applications Of Grout

    By William R. Nash

    Case histories of water problems in underground mine shafts and tunnels are outlined to illustrate varying degrees of sophistication in grouting techniques currently applied in such construction. The

    Jan 1, 1984

  • SME
    Physiological Analysis Of Human Generated Heat In A Refuge Alternative

    By T. E. Bernard

    Occupying a refuge alternative (RA) is an accepted practice in mine fires and explosions when escape is not feasible. MSHA has promulgated a final rule on refuge alternatives that includes a recogniti

    Feb 27, 2013

  • SME
    Dewatering Of Fines By Rotary Vacuum Disc Filters

    By S. C. Langvik

    The presentation named 'Dewatering of fines by Rotary Vacuum Disc Filters' has an opening why the filtration process is important to the Iron Ore Industry. It goes on to describe the variou

    Jan 1, 2001

  • SME
    Environmental Evaluation of Mining Systems

    By P. Schmieder

    "The close vicinity of mining companies to other sites that are used for commercial and residential purposes or to areas under conservation as well as the fact that the people become more and more sen

    Jan 1, 2005

  • SME
    Records Retention And Recovery – Corporate Norms And Issues

    By Donald W. Stever

    In 1995 I was asked to participate in a litigation matter between a corporation and its insurance carriers concerning insurance coverage for remedial costs at a large, environmentally contaminated clo

    Jan 1, 2005

  • SME
    Haile Gold Mine Metallrgy And Flowsheet Review

    By J. Wickens

    Haile Gold Mine is located near Kershaw, South Carolina, approximately 50 miles south of Charlotte, North Carolina. Gold was first discovered at the site in 1827, and the property has been through sev

    Feb 27, 2013

  • SME
    Evaluation Of Best Management Practices For Mining Solid Waste Storage, Disposal, And Treatment - A Status Report ? Introduction

    By Jack S. Greber

    The mining industry generates an estimated 2.3 billion tons of solid waste each year and the total accumulated mineral resource solid waste at both active and inactive mine sites, approaches 30 billio

    Jan 1, 1981

  • SME
    Flotation Of Sphalerite From Galena With Sodium Carboxymethyl Cellulose As A Depressant (6034006e-5c07-4626-bc83-fde6ac681018)

    By Ruiren Jin

    In alkaline pulp, galena is depressed by sodium carboxymethyl cellulose (NaCMC), while Cu(II)-activated sphalerite exhibits a high flotability so that satisfied separation can be achieved. In addition

    Jan 1, 1987

  • SME
    Determination Of The Leaching Parameters For A Refractory Gold Ore Containing Aurostibite And Antimony Minerals: Part II ? AD Zone

    By G. Deschênes

    Following a successful investigation on the Central Zone sample, a cyanidation study was conducted on an ore sample from the AD-MW Zone of Clarence Stream Property, owned by Freewest Resources Canada,

    Jan 1, 2009

  • SME
    New Approach Of ASFINAG For Tunnel Construction Monitoring Of The Tauern Tunnel Project In Austria

    By Robert Schnab

    ASFINAG is responsible for the construction and operation of the Austrian highway system. It is approx. 2,400 km of highways and 65 tunnels with a total length of 200 km including the Tauern Tunnel.

  • SME
    Rail and Belt Haulage Systems

    By Christopher J. Bise

    INTRODUCTION The principal means for transporting men, supplies, and mined material in an underground or surface mine are rail systems, conveyor belt systems, or a combination of the two. Typicall

    Jan 1, 1986

  • SME
    A Combination Blind Or Reaming Drill For Raise Construction

    By L. "Andy" Anderson, Stephen N. Short, James E. Friant

    Since the introduction of "boxhole" drilling in South Africa in 1973, the concept of a blind raise, drilled upward from below, has become an accepted mining practice. A combination machine, capable of

    Jan 1, 1985

  • SME
    New Developments In Plastics Separation

    By J. I. Schoenherr, G. Schubert, F. Demczenko

    The currently known and used plastics and rubber recycling or sorting processes cannot be applied efficiently and economically due to large amounts of fine bulky materials (<3 mm). These wastes are mo

    Jan 1, 2002

  • SME
    Mining Phospates in Yunnan - Potential is Great, But So Are Problems

    Recent accelerated exploration efforts in southwest China have progressively quantified the vast phosphate resources in the Yunnan Province. To date, according to Chinese geologists, potential reserve

    Jan 3, 1980

  • SME
    Oversize Reduction Project At The Iron Ore Company Of Canada (ME)

    The Iron Ore Company of Canada (IOC) is the largest manufacturer of iron ore pellets in Canada and its customer base covers North American, European and Asian steel producers. The company operates a m

    Jan 1, 2011

  • SME
    Colorado Miners Discuss Challenges of the New Century

    By Steve Kral

    The mining industry in Colorado faces the same problems the industry faces throughout the United States and the world — record low commodity prices and increasing regulatory and environmental restrict

    Jan 1, 2000

  • SME
    Study On Preparation Techniques Of Carnallite With Waste Brine

    In this work, the crystallization of Carnallite from waste brine of Qaidam Basin in Qinghai province was studied based on NaCl-KCl-MgCl2-H2O phase diagram. According to this study, a new crystallizati

    Jan 1, 2012