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  • CIM
    The Evolution and Innovation in Hoisting ? An Historical Perspective

    By Mike Robotham

    Drum hoists in the 21st century have the same fundamental objective as their earliest 19th century counterpart. And yet a lot has changed in the design of the hoist from those early days of undergroun

    May 1, 2013

  • CIM
    Rates of Return in the Canadian Mining Industry ? A Comparative Study

    By Mitchell P. Rothman

    This paper concentrates on profits and other measures of return in the Canadian mining industry, especially in the non-mineral-fuels sector. The paper examines the historical patterns of mining profit

    Jan 1, 1977

  • CIM
    Don’t Give Up on the Greenfield Projects: The First 20 Years of Nickel Extraction from Cuban Laterites

    By Larry M. Southwick

    There have recently been executives at major metals companies who have recommended that Greenfield Projects not be pursued. Greenfield includes not only new geographical locations, but also new techno

    Jan 1, 2014

  • CIM
    Different Methodologies of Evaluating Disintegration Under Reduction of Dr Pellets(1)

    By Washington Luiz Mafra

    Every year the conventional direct reduction processes ? Midrex and HYL III ? increased their market share in the world steel production, even though they are only economically feasible in countries w

    May 1, 2007

  • CIM
    The Conversion of a Manual A.C. Hoist to a Semi-Automatic D.C. Hoist at Lynn Lake

    By R W. Drybrough

    The program to increase production at Sherritt Gordon's Lynn Lake property, which began in 1956, included increasing the rope speed and the horsepower of the ore hoist at the "A" shaft. Because o

    Jan 1, 1965

  • CIM
    Impacts and Benefits Agreements: A Way towards Lasting Relationships between Aboriginal Peoples and the Mining Industry

    By Ann Bigué

    Outline of Presentation 1. Impacts and Benefits Agreements Defined 2. Elements that determine the content of an IBA: ? the nature of the project ? the identity of Aboriginal communities affected b

    May 1, 2004

  • CIM
    Improvement of Climatic Conditions in the Underground Excavations in the Aspect of Types Ventilation Dams Which are Used in Sealing Abandoned Area in Polish Copper Mines.

    By R. Stach, S. Gola, P. Zgrzebski, K. Soroko

    "At the moment climatic conditions are a primary problem of the exploitation of copper ore. The efficiency of preventive actions in order to improve climatic conditions is connected with the knowledge

    Jan 1, 2019

  • CIM
    The Chipewyan Red Granitea building stone prospect

    By John D. Godfrey

    Precambrian Shield rocks, exposed in the extreme northeast corner of Alberta, provide the only possibility for a granitic building stone development in the province. Among a wide variety of granitoid

    Jan 1, 1984

  • CIM
    Trends in Canadian Diamond Exploration

    By L. H. Thorleifson

    Demand for both gem and industrial diamonds is very strong. Synthetic production supplies industrial uses, but synthetic gems remain inferior and expensive, so the large gem market is supplied by mini

    May 1, 2003

  • CIM
    Geology and Development of the No. 8 Orebodies, Britannia Mines, B.C.

    By W. T. Irvine

    Introduction The property of the Britannia Mining and Smelting Company is on the east side of Howe sound, some twenty miles north of-Vancouver. The camp is served by two settlements, one at Britann

    Jan 1, 1946

  • CIM
    Mining narrow veins by vertical crater retreat at the Radiore No.2 Mine

    By Al Goodier

    "This paper discusses the experience of Noranda Mines Limited, Matagami Division, with the vertical crater retreat (VCR) method in the mining of narrow-vein stopes. Although limited to only one stope,

    Jan 1, 1982

  • CIM
    Is the Double Drum Hoist Still Viable at Depth? Recent Experiences

    By Bennett McLaughlin

    The Penna Shaft is the deepest single?lift shaft in North America. AGNICO-EAGLE started sinking the Penna shaft in 1995 with a hoisting plant capable of hoisting 1 800 tonnes per day from a 2 240-metr

    May 1, 2003

  • CIM
    Developing and Equipping No. 4 Winze, San Antonio Mine

    By W. S. Hegler

    Introduction The San Antonio mine is on the north shore of Rice lake, thirty miles east of lake Winnipeg and 120 miles northeast of the city of Winnipeg. Since production was started in 1932, about

    Jan 1, 1949

  • CIM
    Education is the Stumbling Block for the Mines of the Future

    By T. Yameogo

    Many ideas, tools, technologies, and methodologies are believed to have staked their claims on the future of mining. For example, automation is strongly positioned as the platform within which mining

    Aug 1, 2013

  • CIM
    CIM Mineral Exploration Best Practice Guidelines

    By CIM Mineral Resource, Mineral Reserve Committee

    The CIM Mineral Exploration Best Practice Guidelines (the Exploration Guidelines) have been prepared to assist professional geoscientists and engineers to conduct consistently high-quality work in ord

    Nov 23, 2018

  • CIM
    Fuels 1n the Canadian Non-Ferrous Metals Industry

    By R M. Ennis, J. C. Botham

    This paper is one of a series pre-pared to study the role of fuels and reductants in metallurgical processes, especially from the viewpoint of Canadian requirements. The object of these studies is to

    Jan 1, 1961

  • CIM
    The Nanaimo Coal Field

    By A. F. Buckham

    Introduction Several basins of the Nanaimo series, a group of coal-bearing sedimentary rocks of Upper Cretaceous age, underlie parts of Vancouver island and the adjacent gulf islands. One, the Nana

    Jan 1, 1947

  • CIM
    Economic and Operational Assessment of a Non-Conventional HPGR Circuit

    By J. A. Drozdiak, W. Tse, P. P. Rosario

    "In a recent publication (SAG 2015), we presented a non-conventional high pressure grinding roll (HPGR)-ball mill circuit as a lower capital cost alternative to the “standard” HPGR circuit. The circui

    Jan 1, 2016

  • CIM
    Raising a Blind Shaft Between Two Submarine Coal Seams (297edc53-3f33-4275-8620-82ccd0512a9f)

    By Jos. Kalbhenn

    MR. G. G. BOWSER: Mr. Kalbhenn's paper is an excellent one and is a concise description of a very interesting piece of work. It is well known that a great deal of preliminary study was given to

    Jan 1, 1944

  • CIM
    Best Practices in Sustainability Reporting in the Global Mining Industry

    By Andrew Gillam

    Outline of Presentation ? AMEC overview ? Benchmarked companies ? GRI 3.1 Guidelines ? Best practice examples ? Report content and boundary ? Strategy and profile ? Environmental ? Social GRI

    Aug 1, 2013