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  • CIM
    Underground Mill Excavation at the Big Missouri Mine

    By D. S. Campbell

    THE chief factors influencing the decision to build the Big Missouri mill underground were the topography of the country and the climate. The location underground assured certain saving in the cost of

    Jan 1, 1938

  • CIM
    Potash exploration at Malagawatch, Cape Breton, Nova Scotia

    By L. Dekker

    "In 1979 Chevron Standard Limited and Irving Oil Limited intersected a thick, high-grade sylvinite zone in the Windsor Group in the Chevron Irving Malagawatch No. I well in central Cape Breton. This w

    Jan 1, 1985

  • CIM
    A Hybrid Flac3D-PFC3D Model to Study the Microseismic Response of Caprock

    By J. F. Hazzard, R. J. Chalaturnyk, C. Khazaei

    "Various measurement, monitoring and verification (MMV) techniques are used to ensure the safety of operations in petroleum projects. One of these techniques is microseismic (MS) monitoring of the cap

    Jan 1, 2015

  • CIM
    Prediction of radiation levels and ventilation requirements in underground uranium mines

    By J. H. Nantel, J. F. Archibald

    "The presence of radon from uranium-bearing ores, waste and from backfill material introduced underground to provide ground support, work platform and waste disposal functions, requires that ventilati

    Jan 1, 1984

  • CIM
    Treatment of Thompson Copper/Arsenic Residue

    By T. Xue, A. Singhal, D. Wrana, I. Mihaylov

    "At Vale's Thompson Nickel Refinery, the copper and arsenic in the nickel electrolyte are removed by precipitation using H2S, generating a sulphide precipitate containing about 40% Cu, 8% Ni, 2 to 4%

    Jan 1, 2012

  • CIM
    Sale of mining operationsbasic tax considerations

    By R. D. Brown

    Higher metal prices have resulted not only in increased exploration and production, but also increased activity in the purchase of mining properties and mines. This article discusses some of the basic

    Jan 1, 1980

  • CIM
    Construction of Sherritt's Concentrators

    By J. A. MacLellan

    "CONSTRUCI'ION OF SHERRITT'S CONCENTRATORSSherritt Gordon is operating two mills north of the 56th parallel, and is presently engaged in building a third. The author was closely involved in the design

    Jan 1, 1972

  • CIM
    A Transportation Challenge

    By R. E. Lawless

    The transportation challenge began with the need to move millions of tons of coal annually from Western Canada to Ontario. The paper will discuss the options which were available, the final mode selec

    Jan 1, 1979

  • CIM
    Gold Exploration in the Early Proterozoic Ketilidian Orogen, South Greenland

    By H. K. Olsen, B. Thomassen, H. K. Schønwandt, L. Grahl-Madsen, H. Stendal

    Abstract-The central part of the early Proterozoic Ketilidian orogen in South Greenland consists of an I-type granitoid batholith transected by four regional NE-SW-trending shear zones. The batholith

    Jan 1, 1995

  • CIM
    Gold Exploration in the Early Proterozoic Ketilidian Orogen, South Greenland (aa49ac52-6631-490e-b2aa-d305e0c8295b)

    By H. K. Olsen, B. Thomassen, H. K. Schønwandt, L. Grahl-Madsen, H. Stendal

    The central part of the early Proterozoic Ketilidian orogen in South Greenland consists of an I-type granitoid batholith transected by four regional NE-SW-trending shear zones. Thebatholith was probab

    Jan 1, 1995

  • CIM
    Communicating Geological Engineering Results to Manage Slope Instability

    By R. Yost

    "This paper describes a case study that illustrates how detailed geological engineering results were communicated to address a range of stability challenges in a producing mining environment. Instead

    Jan 1, 2017

  • CIM
    Status of computer applications for underground coal mining methods evaluation

    By B. Das

    "Computers have been used extensively in the mineral industry in exploration, reserves calculation, mining technology, mineral processing, etc. With respect to coal mining, there are also various appl

    Jan 1, 1981

  • CIM
    Longwall Mining at Sydney Mines

    By J. J. McDougall

    Until quite recently, the coal in the Cape Breton field was won from comparatively thick seams with light cover, and from submarine areas, and the system of mining naturally followed was pillar-and-st

    Jan 1, 1928

  • CIM
    The Productivity Challenge in Mining

    By W. G. Brissenden

    "ALTHOUGH I SHOULD FIRST REVIEW the state of the mining art as it is today, because of the shortness of time I will confine myself to a re-view of the more important advances in that art which have be

    Jan 1, 1968

  • CIM
    Analytical Model for Fully Grouted Rock Bolts with Multiple Joints

    By Debasis Deb, Ankur Narang, G. P. Raja Sekhar, Kamal C. Das

    "The stability of underground structures made (especially) in jointed rock mass is of the utmost important to designers, engineers and operators. Rock bolting is generally being practised to reinforce

    Jan 1, 2015

  • CIM
    A New Alternative to Cyanidation: Biocatalyzed Bisulfide Leaching

    By David W. Mogk, Tamara Darsow, Macgregor L. Fogelsong, Robert M. Hunter, Frank M. Stewart, Edwin H. Abbott, Courtney A. Young

    Abstract: Development of cost-effective techniques for recovering precious metals from their ores has been the goal of metallurgists for hundreds of years. Today, metallurgists are increasingly called

    Jan 1, 1998

  • CIM
    Frozen Backfill for Underground Mine Applications

    By Daniel Cluff

    Frozen backfill for mining operations in permafrost must be delivered in such a state so as not to thermally impose on the host rock surrounding the filled stope. The placement process, the material s

    Oct 1, 2010

  • CIM
    New heat transfer fluid improves performance in anode paste plant

    By S. C. Cohen, A. F. Mikkelsen

    "This paper describes the improvements made to the operation of a liquid phase, 300°C, heat transfer system in the paste plant of an aluminum smelter. These improvements were achieved by replacing the

    Jan 1, 1993

  • CIM
    The Poulter Seismic Method: Oilfield Techniques in the Study of Polar Ice Caps and the Contribution of Glacier Techniques in the Discovery of Oil and Minerals

    By Thomas C. Poulter

    Abstract The Poulter seismic method of geophysical exploration is an attempt to obtain an increased efficiency in the conversion of the energy of an m~pl06ion into useful energy which has directive

    Jan 1, 1950

  • CIM
    Where the Rubber Hits the Road?

    ?NWCC has the highest number of Aboriginal students of any post secondary institution in BC and the region served includes 25 bands ? Chair of the Board of Governors is Irene Seguin (Hagwiloo K?am Sa

    May 1, 2009