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  • AUSIMM
    Increasing Grinding Circuit Robustness with Advanced Process Control

    By A Rantala, K Aberkrom, O Haavisto, P Blanz

    More complex ore bodies with lowering grades increase the challenges of maintaining high throughput, energy efficiency and required particle size for optimal downstream processing in grinding circuits

    Sep 7, 2015

  • AUSIMM
    Proper Tyre Management Reduces Tyre Costs (8cc3f990-94b6-4b55-8abb-8c65d8f8d45b)

    By Gordon DM

    Tyres account for 25-30 per cent of the operating costs of large capacity haul units as used in open-cut mines.Tyre operating costs can be substantially reduced and often contained in real terms by ap

    Jan 1, 1983

  • AUSIMM
    Studies in Comparative Petrofabric Analysis: The Broken Hill Lode and its Immediate Wall Rock

    The conclusions reached by den Tex after a study of the fabric of some rocks from Broken Hill have been used to support the epigenetic hypothesis for the origin of the ore, first by Edwards (1959, p.

    Jan 1, 1962

  • AUSIMM
    Longwall Mining at Huntly West

    By W Farnworth

    The Huntly West Mine has undergone significant changes in the last two years, which will affect the remainder of the mine's life. The paper describes the evolvement of plans and an overview of th

    Jan 1, 1991

  • AUSIMM
    Geophysical Signatures of Andesite Volcanoes in New Zealand - Contrasts and Structural Implications

    By C A. Locke

    Geophysical signatures of the Taranaki and Tongariro volcanoes reflect similarities in their age, composition and hydrothermal histories, but also reflect differences in host rock settings and edifice

    Jan 1, 1995

  • AUSIMM
    Economic Geology of the Wolgan Coking Coal Deposit, Western Coalfield, N.S.W., Australia

    By Graylin R. K, dea T. R, O&apos

    The Wolgan Seam of the Upper Permian IlIawarra Coal Measures of the Western Coalfield of New South Wales consists of high volatile, low sulphur, medium hard coking coal with high fluidity. This seam,

    Jan 1, 1980

  • AUSIMM
    The Making and Evaluation of Directly Reduced Iron Pellets

    By J K. Wright

    In recent years the production of steel from directly reduced iron ore pellets has expanded rapidly. However, continued growth will depend on an adequate supply of suitable raw materials for the vario

    Jan 1, 1980

  • AUSIMM
    Hydrological Environments for Vein Mineralisation in the Hauraki Goldfield, New Zealand

    The epithermal Au-Ag deposits of the Hauraki Goldfield have formed in the convergent plate margin setting of the Coromandel Volcanic Zone (CVZ). The deposits form as siliceous lodes in the upper parts

    Jan 1, 1991

  • AUSIMM
    Stratiform Basic Bodies Within The Yilmia Ophiolites, Western Australia

    The authors describe two stratiform intrusions within a two miles thick ophiolite belt, one of the many ophiolite (serpentine) belts of the eugeosynclinal sequences of the Kalgoorlie System (metamorph

    Jan 1, 1969

  • AUSIMM
    Recovery of Copper from Chalcopyrite Concentrate by Means of Sulphur Activation, Cupric Chloride Leach, and Electrolysis

    Extraction of copper from a chalcopyrite concentrate by means of a cupric chloride leach is described. Initially the concentrate is mixed with sulphur in a 9: 1 ratio, and heated to 350-400°C. Th

    Jan 1, 1974

  • AUSIMM
    A Carboniferous Bentonite Province in New South Wales

    Recently discovered Carboniferous bentonites are variable in charadeI and thickness, but being altered aeolian, ash-fall tuffs, they are probably extensive. Most are the Ca-montmorillonite type withou

    Jan 1, 1965

  • AUSIMM
    Discovery of Uranium Mineralization in the Manyingee Channel, Onslow Region of Western Australia

    By Morabito J, Harrop D. W

    Uranium exploration was commenced in 1973 and carried out at a regional scale over a wide area of the northern part of the Camarvon Basin of Western Australia by Minatome Australia Pty Limited and the

    Jan 1, 1981

  • AUSIMM
    Project Management in China - Sino GoldÆs Story

    By C Johnstone

    Project management is not a task to be undertaken lightly. Mining projects generally present even more challenges due to ChinaÆs remoteness and complexity. Having experiences in project management in

    Jan 1, 2009

  • AUSIMM
    Mount Angelo Copper Prospect, East Kimberleys, W.A.

    The Mount Angelo prospect outcrops as two copper rich gossans, the larger of which is 250 ft long and 70 ftwide. The mineralization is epigenetic and replaces part of a brecciated and disturbed lime t

    Jan 1, 1966

  • AUSIMM
    The Importance of Mineral Processing Technology for Establishing a Sustainable Society with an Environmentally-Sound Material Cycle

    For establishing sustainable material cycle process in human system, a brand new concept should be created, which could recycle the waste materials, which are land-filled and discarded under present e

    Sep 13, 2010

  • AUSIMM
    Mineralogy of Sulphide Scale Deposited in Geothermal Pipelines, Ohaaki, New Zealand

    By K L. Brown, J L. Mauk

    Sulfide-rich scale occurs in steam and water lines at the Ohaaki geothennal field,Taupo Volcanic Zone, New Zealand. Precious metals show very high concentrations around areas ofpressure reduction (Au

    Jan 1, 1998

  • AUSIMM
    Hexagon Sets

    TIMBER supports for large underground cavities are temporary expedients until the permanent filling can be put in. Nevertheless, timber supports are very necessary in some form. The general problem is

    Jan 1, 1912

  • AUSIMM
    Central Otago Lignite Deposits: Exploration Models and Resource Significance

    Lignite deposits of Central Otago Miocene Dunstan Formation accumulated on a broad alluvial plain and on deltas that flanked a large freshwater lake. The regional subsurface distribution and configura

    Jan 1, 1992

  • AUSIMM
    Applications for Mining Privileges in the Light of the Mining Amendment Act 1981

    The 1981 Review: In the late 1970s there was an upsurge of interest in the prospecting and mining of this countryÆs mineral resources. That upsurge of interest was accompanied by a mounting public co

    Jan 1, 1984

  • AUSIMM
    Some Side û Lights on the Prospecting Programme of Bendigo Mines Ltd. And its Subsidiaries

    By Morgan W. M

    It is not the primary object of this paper to treat with the scheme of prospecting in detail, but it is considered that a brief description of the broad lines is necessary so that the significance of

    Jan 1, 1936