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  • AUSIMM
    Residual Aeolian Placers - A New Style of Gold Deposit in New Zealand

    Residual aeolian placers (RAPs) are formed by the wind, by preferential entrainment and removal of small and low-density detritusfrom a pre-existing, typically sedimentary sequence containing heavy mi

    Jan 1, 2004

  • AUSIMM
    Development of a slimhole downhole nuclear magnetic resonance tool for iron ore – some applications and limitations

    By T A. J Hopper, B J. Birt, K K. Trofimczyk

    Nuclear magnetic resonance (NMR) has been utilised in the oil and gas industry for over 60 years. The technology was recently identified as having potential value in iron ore, where latent bound moist

    Jul 24, 2017

  • AUSIMM
    Biodegradation of manganese dioxide tailings

    By Madgwick J. C

    Microaerobic biodegradation oflow-grade manganese dioxide slurry tailings was demonstrated in enrichment cultures treated with dilute molasses at 30°C and pH 5·8. Supplementary nitrogenous n

    Jan 1, 1986

  • AUSIMM
    Development of a Low-cost Instrument for Barometric Pressure Surveys

    By A S. Derrington

    High-accuracy, solid-state digital reference barometers have proven to be well suited to conducting underground barometric pressure surveys. The only problem is their expense; at least A$4000 each. Fo

    Aug 31, 2015

  • AUSIMM
    Steve and Fred would have been mates – a comminution design evolution story

    By D David

    Amongst those whose task it is to design tumbling mills and other comminution machines there is an almost religious divide between devotees of the Bond method and devotees of other methods developed i

    Sep 11, 2017

  • AUSIMM
    Differences between the Engineering Cultures of Australia and Brazil

    By C Fountain

    Australian mining and engineering companies have increasingly been investing in the mining industry in Brazil. It is a country of enormous mineral and agricultural wealth, with a well-established mini

    Aug 8, 2011

  • AUSIMM
    Potential for Revegetating Base-Metal Tailings at the Tui Mine Site, Te Aroha, New Zealand

    By P E. H Gregg, D Horne, R B. Stewart, N Bolan

    The Tui mine site is situated on the NW flank of Mt. Te Aroha, at approximately 400 m altitude. During underground mining operations two lead-copper-zinc ore bodies were exploited and processed on sit

    Jan 1, 1995

  • AUSIMM
    Reducing ventilation change downtime and increasing operational uptime

    By J A. Rowland

    When executing a ventilation change the mine ventilation circuit is in a state of flux throughout the entire change period with discrete mine areas both under ventilated and/or over ventilated during

    Oct 12, 2022

  • AUSIMM
    Autonomous Haul System Savings – It’s Not about Less Truckies but Better Truckies!

    By R Price, B H. Miller

    "The rise of autonomous haul truck fleets may have been initially driven by the rapid escalation of the cost of equipment operators, but the actual improvements reported by the major iron ore miners f

    Nov 15, 2016

  • AUSIMM
    Seismically Active Mines ù To Buy or Not to Buy

    In recent years there have been many changes in mine ownership due to the on-going rationalisation towards larger mining companies. Larger companies inevitably find it hard to manage small mining oper

    Jan 1, 2002

  • AUSIMM
    Determination of Fracture Toughness of Anisotropic Rocks Under Water Vapour Pressure by Semi-Circular Bend Test

    Failure of rock materials is a process of crack propagation. Crack initiation takes place when the crack tip stress intensity K reaches a critical value called fracture toughness, K1C. The rock fractu

    Dec 6, 2010

  • AUSIMM
    Understanding Organisational and Personal Behaviours to Sustain High Productivity and Safety

    Although AustraliaÆs coal mining industry is currently experiencing a pleasing period of price relief, long-term trends toward lower real prices will surely continue. Higher price levels attract expan

    Jan 1, 2005

  • AUSIMM
    Vein Relationships and Textures at Martha Mine, Waihi

    By J L. Mauk

    The Martha epithermal Au-Ag deposit contains multiple generations of quartz veins with a range of textures. We examined: +        vein textures, +   &

    Jan 1, 2006

  • AUSIMM
    Using Best Practice Operations as a Strategy for Attracting and Retaining Professional People

    By T Trott, G Lumley

    "The mining industry suffers from a shortage of professional and other workers. Research and analysis has demonstrated a close correlation between high performance in productivity, maintenance and saf

    Nov 20, 2012

  • AUSIMM
    Nickel Slags from the Flash Smelter at Kalgoorlie, Western Australia

    The mineralogy of nickel slags from the flash smelter of Western Mining Corporation Ltd. at Kalgoorlie was studied. Residual magnesium silicates in the sulphide concentrates raise the melting point of

    Jan 1, 1976

  • AUSIMM
    Indicator and Quartz Reefs

    During the past Two years in reef gold mining, "indicators" have received great attention at the hands at the Victorian gold seekers. Many years ago, what was caned the" indicator lode,

  • AUSIMM
    Cr-Ni-PGE in the Mafic-Ultramafic Enclaves Around Arsikere- Tavarkere Lineament, Karnataka

    By R K. W Merkle, S Madoom Hussain, T Yellappa

    Cr-Ni-Cu¦PGE deposits are known to occur in early Archaean mafic-ultramafic rocks. Early Archaean mafic-ultramafic (MUMF) rocks occur in the western Dharwar craton and range in size from small pods to

    Jan 1, 2008

  • AUSIMM
    The Porgera Gold Deposit Structure, Alteration and Mineralisation

    By T Leach, B Fulton, R Stewart

    Gold mineralisation at Porgera is inferred to have been derived from a deep differentiated magmatic source which is capped by a series of (now tilted) inward dipping sills and stocks, which comprise t

    Jan 1, 1995

  • AUSIMM
    Newmont Tanami Operations – Tailings Storage Facilities

    By S Thacker, M Noakes

    The Newmont Tanami Operations (NTO), formerly the Granites Gold Mine, commenced operation in the mid-1980s with tailings deposition evolving over the past three decades as production has increased and

    Jul 27, 2015

  • AUSIMM
    Removal of Horizontal Level Pillar by Means of Blast Hole Diamond Drilling at New Occidental Gold Mine, Cobar, N.S.W.

    By Creelman C. A

    The removal of a horizontal piIlar between Nos. 9 and 11 levels (1,116 feet from the collar of main shaft) was successfully carried out by blast hole drilling, and, to the best of the authors' kn

    Jan 1, 1944