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  • AUSIMM
    BHP Iron Ore Pty Ltd Protocol for Mine Closure Goldsworthy, Western Australia

    Background BHP Iron Ore Pty Ltd is one of the major iron ore producers in the Pilbara Region of North Western Australia. The company manages three separate joint ventures; the Newman, Goldsworthy a

    Jan 1, 1994

  • AUSIMM
    Dynamic Simulation of Size Reduction Operations from Mine to Mill

    By Pate W. T

    This paper describes the development of a dynamic flowsheet simulator for comminution operations. Object oriented software design allows the handling of multiple ore types, blended into multicompone

    Jan 1, 1998

  • AUSIMM
    Ground support rationalisation at Golden Grove

    By R Varden

    This paper summarises the process taken to simplify 35 ground support standards accounting for the multiple development profiles, dynamic geotechnical environment and the practical safety implications

    Mar 29, 2023

  • AUSIMM
    Multivariate Block Co-Simulation of an Iron Ore Deposit

    The Rio Tinto Iron Ore group currently estimates grade attributes for mineral resources using ordinary kriging (OK). OK produces a smoothed globally unbiased estimate, but does not capture local varia

    Sep 26, 2011

  • AUSIMM
    Characterisation of Australian Electric Arc Furnace (EAF) Dusts and the Application of Simple Physical Separation Techniques to Upgrade Them

    By K J. Davey, J T. Woodcock

    Australian steelmakers produce up to 30 000 t/yr of electric arc furnace (EAF) dust. Current disposal techniques include sending EAF dust to landfill, stockpiling, and paying zinc smelters or register

    Jan 1, 2006

  • AUSIMM
    Extending Information from Coal Bore Cores

    A description is given of a detailed examination of a coal bore core and of attempts to predict properties of equivalent "as-mined" coal using the bore core data so obtained. The accuracy of the pr

    Jan 1, 1972

  • AUSIMM
    Geotechnical assessment for the waste rock backfilling of the decommissioned Rum Jungle Open Cut Pit

    By J Hartnett, B Tarrant, A Rayner, D O’Toole, P Davies

    Since 2009, the Northern Territory and Australian governments have been working under a national partnership arrangement to inform a rehabilitation plan for the former Rum Jungle uranium mine. Part of

    Jul 1, 2021

  • AUSIMM
    Effect of Clay Rheology on Flotation of a Refractory Gold Ore

    By L Basnayaka, N Subasinghe, B Albijanic

    "It has been recognised that the presence of clay minerals in ores adversely affect flotation performance. In this study, changes in rheological properties of the flotation pulps under normal operatin

    Oct 10, 2016

  • AUSIMM
    Coarse Liberation and Recovery of Free Gold and Gold Sulfide Carriers for Energy Reduction in Process Plants

    By M Davies, G Theletsane, A H. Gray

    Recovery of gold from gold ores has been driven by the available technology and its configuration in the process plant flow sheet.Conventional practice in test work programs has the ore being ground f

    Sep 1, 2014

  • AUSIMM
    Copper-Molybdenum Concentrator Surveys Using Mineralogy and Process Benchmarking Tools to Improve Overall Plant Performance

    By P Thompson, D Rose, S Yu, W Baum, R Zahn, D Meadows, G Hall

    Opportunities to improve mill operations are often cited by mining companies and recognised in many concentrators spread throughout the world but are not always followed through. Copper-molybdenum con

    Sep 1, 2014

  • AUSIMM
    Field Parametric Geostatistics Geostatistical Rigorous Solutions Dealing with Extreme Grades During Resource Estimation

    By M Armony, J F. C L Costa, J C. Koppe

    Linear kriging methods fail to estimate local grades and local reserves for highly skewed variables due to three reasons: it uses only part of the available data information, it has no physical princi

    Sep 26, 2011

  • AUSIMM
    Economic recovery of low-grade fine iron ore using the Optima Classifier

    By F van de Venter, J Monama, T Kale

    For a multitude of years fine iron ore, -1 mm, across the world has been deposited as discard material in tailings facilities. This contributes to environmental problems, decreases plant yield and inc

    Sep 18, 2023

  • AUSIMM
    Industrial Scale Results from Shear Enhanced Thickening Technology

    By I Arburthnot, N Lawler, C Loan

    The function of a thickener is to optimise and accelerate the process of gravity sedimentation. The desired end product (be that maximised concentrated solids or clarified liquid) determines how the t

    Oct 29, 2012

  • AUSIMM
    Real-time Mining – Moving Towards Continuous Process Management in Mineral Resource Extraction

    By N Jeannee, L Rattmann, M W. N Buxton, A deJong, K Nienhaus, A Soares, P Graham, A Korre, J Benndorf, D Buttgereit

    The flow of information, and consequently the decision-making along the chain of mining from exploration to beneficiation, typically occurs in a discontinuous fashion over long timespans. In addition,

    Nov 4, 2015

  • AUSIMM
    Multicomponent modelling and simulation of the Minas Rio iron ore grinding circuit

    By T M. Campos, J Silva, L M. Tavares, J Lichter, L P. Alves, B K. N Rocha, H D. G Turrer

    The depletion of the richest ore deposits and the increase in number of mining projects involving deposits with complex mineralogy, higher competence and lower grade has led to an eminent need for imp

    Aug 24, 2022

  • AUSIMM
    Exploration in the Gippsland, Bass and Otway Basins

    Location & Permit Status Three major Mesozoic Tertiary basins exist along the continental shelf area of southeastern Australia, known as the Bass Strait area. They are the Gippsland (east of the long

    Jan 1, 1970

  • AUSIMM
    The Effect of Weak Acid Dissociable Cyanide on Gold and Silver Flotation in Hidden Valley Mine

    By Y Peng, B Guo

    In gold processing plants, the water from the cyanidation stages is treated to detoxify cyanide species and this recycle water becomes the main part of the process water. Despite the low concentration

    Sep 26, 2013

  • AUSIMM
    The Interaction Between Pulp Density and Frother Addition in Coal Flotation

    By Roberts T, Firth B. A

    A series of flotation experiments was carried out to study the interaction between the parameters of pulp density (mass per cent of solids in feed slurry) and frother addition (on the basis of solid m

    Jan 1, 1984

  • AUSIMM
    Exploring the Use of Fibre Reinforced Shotcrete in Large Diameter Shafts

    By D J. Kilkenny, D A. O’Toole, P B. Hills, K L. Seah

    An investigation was undertaken to critically analyse the use of fibre reinforced shotcrete (FRS) for a variety of applications in large diameter shafts. Those applications included the use of FRS wit

    Nov 5, 2014

  • AUSIMM
    Aren't You Too Young to be a Consultant?

    Many young mining engineers do not consider consulting as a possible job, believing that many years of working on-site is required to achieve practical experience, develop expertise and acquire indust

    Jan 1, 2009