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  • AUSIMM
    Design of a Large-Scale Concentrator for Treatment of a Copper Skarn Orebody

    By T Hayward, G Lane, M Phillips

    In December 2004 Phu Bia Mining Ltd commissioned Ausenco International Limited to conduct a feasibility study for its Phu Kham copper-gold project located in Laos. The feasibility study for a mining a

    Jan 1, 2007

  • AUSIMM
    Values and Value Management Combine for a Better Project Outcome - A Case Study

    By R Polmear, G Mauger

    You wouldnÆt start excavating before testing core samples, so why would you approve a project plan before all factors have been identified, reviewed and addressed? Even a champion sports team made up

    Jan 1, 2007

  • AUSIMM
    Using Stochastic Discounted Cash Flow and Real Option Monte Carlo Simulation to Analyse the Impacts of Contingent Taxes on Mining Projects

    By G A. Davis, D G. Laughton

    The great variability of mineral and energy prices has motivated some governments to incorporate a windfall profits tax into their mineral taxation regimes. Windfall profits taxes are a means for gove

    Jan 1, 2007

  • AUSIMM
    The Benefits of Bulk Emulsion Explosives in Underground Development Mining

    By N Bennett

    This paper examines the practical and economic benefits of using bulk emulsion explosives in underground development mining; compared to ANFO, ANFO derivatives and packaged explosives. The key economi

    Jan 1, 2007

  • AUSIMM
    An Investigation of Ammonium Nitrate Loss to Mine Discharge Water at Diavik Diamond Mines

    By G MacDonald, B Forsyth, D Corkery, T

    An investigation was carried out at Diavik Diamond Mines Inc (DDMI) to identify and quantify the mechanisms through which ammonium nitrate (AN) was entering the mine discharge water. The goal was to d

    Jan 1, 2007

  • AUSIMM
    A Managed Approach to Project Insurance

    Historically the insurance industryÆs involvement in any project has been relatively late in the process. Often it was a case of the last item to be ticked off the checklist has been to ensure that th

    Jan 1, 2007

  • AUSIMM
    Maintaining the Benefit - How to Ensure Mine to Mill Continues to Work for You

    By D La Rosa, W Valery, A Jankovic, S Ese

    Metso Minerals Process Technology Asia-Pacific (MMPT-AP) has been working with many mining companies worldwide performing æMine to MillÆ or Process Integration and Optimisation (PIO) studies. MMPT-AP

    Jan 1, 2007

  • AUSIMM
    Evaluation of Exploration Projects

    It is difficult to evaluate exploration properties in a manner that is transparent, repeatable and easily re-calculated to cater for different geological interpretations, but the risk-based assessment

    Jan 1, 2007

  • AUSIMM
    Feasibility Study and Economic Evaluation for Deposit No 3 of Gol-e-Gohar Iron Ore Deposit

    By H Dehghan Jan Abadi, K Shahriar

    The iron ore district of Gol-e-Gohar (GEG) is located 60 km south-west of the city of Sirjan, in the Kerman Province of the Islamic Republic of Iran. Six exploration targets have been identified and i

    Jan 1, 2007

  • AUSIMM
    Strategic Planning for the Future of Illawarra Coal

    In the future, Illawarra Coal, the primary metallurgical coal producer in the southern coal fields of New South Wales, will face many unique challenges not found in other coal or minerals production a

    Jan 1, 2007

  • AUSIMM
    The Application of PIMA to Alteration Mapping of the Hyde-Macraes Shear Zone, Otago, New Zealand

    By L Reynolds

    The portable infrared mineral analyser (PIMA) was trialled to determine the extent and intensity of any hydrothermal alteration halo associated with gold mineralisation in the Hyde-Macraes Shear Zone

    Jan 1, 2007

  • AUSIMM
    Do You Understand Your Legal Obligations in the Industry?

    Most new engineers in the mining industry do not realise the importance of legal obligations. During investigations the first question you are asked is: Do you have any proof or evidence? The smallest

    Jan 1, 2007

  • AUSIMM
    The Role of Simulation Modelling in Project Evaluation

    TSG Consulting works with many of the major global mining companies using simulation modelling as an integral component in their development teamÆs processes to determine which combination of infrastr

    Jan 1, 2007

  • AUSIMM
    Sally MalayÆs 2190_6095 Stope - The HotShot Experience

    The blasting of the 2190_6095 stope at Kimberley Nickel MineÆs Sally Malay operation in Western Australia is an example of what can be achieved with electronic detonating systems when a drill and blas

    Jan 1, 2007

  • AUSIMM
    Modelling Shear Development at the Macraes Mine, Otago Schist

    By D Craw

    The Hyde Macraes Shear Zone is a mineralised low-angle shear within the Otago Schist traceable for ~30 km with a NW strike. It is been actively mined along 12km of this strike, producing >6 Moz of

    Jan 1, 2007

  • AUSIMM
    Channel Iron Deposits (CID) of the Hamersley Province (Western Australia)

    By R C. Morris

    The channel iron deposits (CID) (Ramanaidou, Horwitz and Morris, 1991; Morris, Ramanaidou and Horwitz, 1993; Ramanaidou, Morris and Horwitz, 2003; Morris and Ramanaidou, 2007) are one of the two major

    Jan 1, 2007

  • AUSIMM
    CSAMT Surveys, An Investigative Tool for Detailed Evaluation of Glass EarthÆs Epithermal Gold Targets in the Central Volcanic Region, North Island, New Zealand

    Controlled Source Audio Magnetotelluric (CSAMT) surveys were carried out by Glass Earth (New Zealand) Limited (Glass Earth) in 2006 - 2007 to investigate epithermal gold targets in the central North I

    Jan 1, 2007

  • AUSIMM
    Estimating Mining Factors (Dilution and Ore Loss) in Open Pit Mines

    By I Lipton

    Dilution and ore loss have an important bearing on the success of open pit mining projects. Their impacts on production costs, revenues and production rate require that they are correctly modelled in

    Jan 1, 2007

  • AUSIMM
    Automated Mineralogy for Ore Characterisation and Plant Optimisation

    By Y Gu, R Fandrich

    Traditionally, characterisation of the mineralogy and textures of ore and rock samples were based on observations of hand specimens and thin sections using an optical microscope. The extent of the dat

    Jan 1, 2007

  • AUSIMM
    Lake Cowal Foundation- Environmental and Community Sustainability Beyond the Mine Fence

    By D Johnston

    Within the first full year of BarrickÆs Cowal Gold Mine operation, the Lake Cowal Foundation Limited (LCF) has already been delivering results consistent with its goal to protect and enhance the natur

    Jan 1, 2007