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  • CIM
    Review of the Coal Mining Industry in Alberta During the Year 1937

    By A. A. Millar

    THE output of coal from the Province of Alberta reached its peak; in the year 1928, when 7,334,179 tons were produced. Following this, a steady decline was recorded, and in 1930 a low mark of 4,564, 2

    Jan 1, 1938

  • CIM
    Ore Microscopy Applied to the Beneficiation of Volcanogenic Massive Sulfides

    By Orlando C. Gaspar

    Abstract - The presence of fine-grained mineral intergrowths, the complex distribution of deleterious minor elements, and the variable base-metal contents in some assemblages commonly pose technical p

    Jan 1, 1997

  • CIM
    Ore Microscopy Applied to the Beneficiation of Volcanogenic Massive Sulfides (89e4320c-184a-4b9d-8a40-34c652dfef8c)

    By Orlando C. Gaspar

    The presence of ?ne-grained mineral intergrowths, the complex distribution of deleterious minor elements, and the variable base-metal contents in some assemblages commonly pose technical problems for

    Jan 1, 1997

  • CIM
    The Design, Installation and Operation of a Tower Mounted Friction Hoist at Opemiska Copper Mines (Quebec) Limited

    Why A Friction Hoist? B EFORE discussing the equipment, it would be instructive to review the factors that influenced the management of Opemiska Cop-per Mines to purchase a friction hoist rather than

    Jan 1, 1962

  • CIM
    Adsorption of Neodymium (III) by Silicate-Alginate Composite Beads Containing 2-Ethylhexyl Phosphonic Acid Mono-2-Ethylhexyl Ester

    By H. Z. Liu, J. M. Zhao, F. C. Wang

    "Novel silicate-alginate composite beads containing 2-ethylhexyl phosphonic acid mono-2- ethylhexyl ester (P507) were synthesized and applied for the adsorption of Nd3+ from aqueous solutions. The ads

    Jan 1, 2012

  • CIM
    The Economics of Coal Cleaning

    By G. A. Vissac

    IN THE preliminary design of a coal washery, the most important factor to evaluate is the ash content of the final product. The ash content permissible may be imposed by market demands, but, in the

    Jan 1, 1957

  • CIM
    A Review of the Lac Otelnuk Iron Property, Northern Labrador Trough

    By Richard J. H. Barclay

    The Lac Otelnuk iron property is located in the Province of Québec in the Northern Labrador Trough. The Labrador Trough is an extensive geosyncline of Proterozoic rocks, unconformably underlain by Arc

    May 1, 2007

  • CIM
    Exploiting A Small Orebody

    By E P. Graham

    Orebodies occur in an infinite variety of grades, shapes and sizes, and take many millions of years to grow. When extraction starts there is only one possible end -the mine sooner or later will run ou

    Jan 1, 1964

  • CIM
    Coal Preparation - A two-part paper on problems encountered in a modern coal preparation plant and how they were dealt with - Part 1 Low-gravity separation

    By B. W. Clyburn

    "Coals from the Corporation's Lingan and No. 26 mines are classified as high-volatile A bituminous, with a very low inherent ash and containing a/l essential properties to provide metallurgical c

    Jan 1, 1980

  • CIM
    Developments in Coal Mining - 1970

    "The outlook for Eastern Canada is decreasing coal production over the next few years; however, a reappraisal of the long-term requirements and increased prices of coal could lead to a revitalizing of

    Jan 1, 1971

  • CIM
    Towards Sustainable Mining: Crisis Communications and External Outreach Indicators: Measuring Performance and Setting Targets

    The Beginning ! The status quo simply isn?t sustainable ! Our social license is at risk ! The bar keeps rising ? We must improve our performance, both operational and social ? We must improve st

    May 1, 2004

  • CIM
    Notes on the Operation of the Basic Copper (and Copper-Nickel) Converter

    By Anton Gronningsater

    AS we know, Sir Henry Bessemer introduced Bessemer converting in the steel industry about 1855. It was not until twenty years later that the principles were adopted by non-ferrous metallurgists. In 18

    Jan 1, 1942

  • CIM
    The evolution of mining methods at Brunswick Mining and Smelting

    By N. Dufresne

    "The evolution of mining methods at Brunswick Mining and Smelting shows that, in the case of a large deposit, technology must adapt itself to changing conditions. As problems are encountered, manageme

    Jan 1, 1981

  • CIM
    CIM Environmental, Social and Governance Guidelines for Mineral Resource and Mineral Reserve Estimation

    By CIM Environmental, Social Responsibility Society

    Within the mining industry, the pathway from exploration, to planning, construction, operation and closure has become more complex over the last few decades. The current financial, environmental and s

    Sep 8, 2023

  • CIM
    Prediction and Control of Acidic Drainage in Mill Tailings

    By R. W. Lawrence

    "The management of acid rock drainage( ARD) to prevent impact when tailings are disposed of in the environment requires understanding of the phenomena giving rise to acidic drainage, a rigorous evalua

    Jan 1, 1997

  • CIM
    Roasting and Flotation Practice in the Lake Shore Mines Sulphide Treatment Plant: The Development of the Process, 1936-1946

    By J. E. Williamson

    Introduction 1. Factors on Which the Design of the Roaster Plant was Based The roasting operation at Lake Shore, it was realized from the outset, would be profitable only if costs and losses cou

    Jan 1, 1947

  • CIM
    Developing Maintenance Plans Designed to Reduce Efficiency Losses in Fired Equipment

    By Jason J. Ballentine

    This case study presents the results of a maintenance review of a soot blower system at a coal fired power generation station. The power generation station was following a ?repair when it breaks? main

    May 1, 2007

  • CIM
    The Seal Harbor Mill

    By A. G. Roach

    HISTORY AND LOCATION SEAL HARBOR GOLD MINES, LIMITED, was incorporated in January, 1934, to take over 116 acres of mining lands in the Stormont gold district, Guysboro county, Nova Scotia. The nearb

    Jan 1, 1937

  • CIM
    The Development of the Coal Industry 1n Canada, from 1920 to 1935

    By F. W. Gray

    IN 1922, the writer communicated to the Institute a paper entitled The Development of the Coal Industry in Canada (1), which summarized the considerations set out in a series of papers (2) concerned w

    Jan 1, 1936

  • CIM
    Network Planning in an Industrial Complex - Without the Use of a Computer

    By Gordon W. Hines

    This paper, dealing with network planning in an industrial complex, discusses the type and size of project that can be handled on a manual basis. After a review of the fundamentals of network planning

    Jan 1, 1967