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  • AUSIMM
    Classification and Development in Grade Control Blasting for Surface Mines

    By T N. Little

    The grade control process undertaken at mines aims to maximise the value of the ore (valuable product) mined and fed downstream for processing or sale. The full range of grade control activities inclu

    Aug 24, 2015

  • AUSIMM
    The Installation of a Final Cleaning Column at Ok Tedi

    By Kilgour I

    The installation of a final cleaning column at Ok Tedi Mining Limited was carried out to increase final concentrate grade in order to reduce concentrate handling, shipping and treatment charges and

    Jan 1, 1991

  • AUSIMM
    Prevention and Suppression of Gas Explosions in Mines

    Since 1958 there have been 16 major coal mine explosions in the U.S. claiming 323 lives. Whilst the exact cause of a number of these incidents has not been determined, the majority has involved gas

    Jan 1, 1981

  • AUSIMM
    The role of liberation in physical separation techniques

    By A Gray

    Physical separation features in almost every mineral processing circuit. The category encompasses a broad range of techniques and technologies including hydrocyclones, gravity concentration methods (i

    Sep 11, 2017

  • AUSIMM
    Making Hard Rock In Situ Recovery a Reality

    By P Breuer, D J. Robinson, A McFarlane, L L. Kuhar

    Increasing global demand for commodity metals and capital and the greater operating costs of mining and metal production present significant challenges for the metals mining industry. Current conventi

    Nov 4, 2015

  • AUSIMM
    Preliminary Petrochemical Results from the Central Segment of the Luzon Volcanic Arc (Philippines): The Mankayan Mineral District

    By Winter W, Steele DA, Trudu AG, Gray CM

    The Luzon arc extends for about 900 km from Taiwan to the island of Mindoro (central Philippines); in this area late Tertiary to Recent volcanism is considered to be the result of eastward subduction

    Jan 1, 1990

  • AUSIMM
    An Alternative Circuit for Chalcopyrite-Pyrite Ores with Elevated Pyrite Content in Cu-Au Ore Treatment

    By S Farrokhpay, C Akop

    Copper-gold-pyrite ore types with an elevated pyrite head grade utilise a sequential flotation circuit to recover initially a copper-gold concentrate with a pyrite-gold concentrate being produced from

    Sep 1, 2014

  • AUSIMM
    New Non-Cyanide Technology for Processing Massive Copper-Zinc Ores

    By T Ye Koltunova an, L A. Otrozhdyonnova

    This paper presents the results of studies on the development of an efficient non-cyanide technology for processing massive, finely disseminated, copper-zinc ores of the Urals deposits. Copper is main

    Jan 1, 2005

  • AUSIMM
    The Restructuring of Ranger - A Case Study or Necessity is the Mother of Invention

    By S S Solomons

    In 1991 the uranium spot market price dropped to approximately US$7/Ib U308, a historical low in real terms and the short-term outlook for the industry in the next five years was grim. At this time

    Jan 1, 1994

  • AUSIMM
    Rock Bolting in German Coal Mines - State of the Art and Recent Developments

    By Hermulheim W

    In the Federal Republic of Germany hard coal is mined underground only. The coal mines reach down to 1 500 m deep, recently having an average depth of 900 m. The commonly used winning system is lo

    Jan 1, 1986

  • AUSIMM
    Exploration advances – MinEx CRC’s mission

    By D Giles, A C. Bailey

    In the first 20 years of the 21st century, just over 20 per cent of Australian mineral exploration expenditure was dedicated to iron ore, totalling >A$8 billion and >30 million metres of drilling (Aus

    Nov 8, 2021

  • AUSIMM
    Maximising asset value through optimal block by block decisions on marginal material

    By F Phillips, E Deucker, J Kato

    It is challenging to determine the optimal mining strategy to maximise value when a mine plan includes mineralised material which does not meet the full cost of mining but has value exceeding the vari

    Mar 15, 2021

  • AUSIMM
    Forecast Trends of Australian Mineral Production to the Year 2000

    By Huleatt M, Perkin D, McLeod I, Mock C, Pratt R, Gourlay A, Timoney E, Knight N, Ward J

    Generally speaking, Australia's reserves of its more important minerals (in terms of export earnings) are adequate to sustain forecast rates of production to the year 2000. The rate of foreca

    Jan 1, 1981

  • AUSIMM
    Process Development for the Marampa Iron Ore Tailings Project, Sierra Leone

    By P Dunn

    Following civil war in Sierra Leone, London Mining Plc obtained the mining license in 2006 and commenced activity to redevelop the Marampa mining and processing operations. The Sierra Leone Marampa mi

    Jul 11, 2011

  • AUSIMM
    Technical Note - A Generalised Model for Hydrocyclone Classifiers

    A generalised mathematical model for hydrocyclone classifiers was developed by the author (Nageswararao, 1978) using dimensionless groups which include phenomenological characteristics as independent

    Jan 1, 1995

  • AUSIMM
    Iron ore transfer chutes – directions after 30 years of scale modelling

    By P Donecker

    Like all chains, iron ore values chains are only as strong as their weakest link, which in ore processing is often the humble chute. While mechanically the simplest element in the iron ore flow sheet,

    Sep 18, 2023

  • AUSIMM
    Tasmanian Acid Drainage Reconnaissance ù Acid Drainage From Abandoned Mines in Tasmania

    TasmaniaÆs mineral endowment has resulted in 600 abandoned mines. Commonly occurring sulfide minerals such as pyrite and pyrrhotite can generate acid drainage and also mobilise heavy metals. Due to th

    Jan 1, 2003

  • AUSIMM
    The Occurrence of Gold in King Cassilis Ore

    Ore samples from the South, Central and North ore-bodies of the King Cassilis Mine, near Omeo, Victoria, were broken and transported to Melbourne for experimental metallurgical treatment. A microscopi

    Jan 1, 1933

  • AUSIMM
    Sublevel caving a narrow vein mine – Pajingo’s case study

    By J F. Carswell, G Cheshire

    The Pajingo gold operation in Queensland is approximately 55 km south of Charters Towers and 134 km south-west of Townsville. The gold deposit was discovered on the northern end of the Drummond Basin

    Mar 15, 2021

  • AUSIMM
    The Pima II: A New Technique for Field-based Alteration Mapping

    By Cocks T

    The 15-year long debate between the industry, Government and Aboriginal people about the rights and wrongs of Land Rights, the right of Aboriginal people to control development on their land and the

    Jan 1, 1994