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  • AUSIMM
    Silica Gelation in Risdon Leach Pulp

    The polymerisation of silica is found to interfere with thickening of leach pulps at Risdon. Hydroxyl ion and fluoride ion are catalysts for this reaction. Stability may be obtained by the presence of

    Jan 1, 1958

  • AUSIMM
    The Manufacture of Sulphuric Acid and its Use in Metallurgy

    Owing to the number of chemical processes now in use for the separation of metals from their ores, and the consequent employment of chemicals at the mine, it is sometimes necessary to be able to produ

  • AUSIMM
    Virtual Mining Enterprise

    By using knowledge-based technology to create a Virtual Mining Enterprise and integrating it with existing technical and financial computer systems, a gold mining company has been able to reduce the t

    Jan 1, 2000

  • AUSIMM
    The Taranaki Oil-Field

    THE Taranaki oil-field is situated on the western side of the North Island of New Zealand, at about its widest part, and may be said to be the most compact and fertile part of the Dominion, for, with

    Jan 1, 1912

  • AUSIMM
    Optimization and Control of Laboratory Sulphidization of Oxidized Copper Ores with an Ion Selective Electrode

    By Woodcock J. T

    A sulphide ion selective electrode (ISE) is suitable for control of sodium sulphide additions in flotation because it has a rapid response to changeS in S2- concentrations, can indicate -low concentra

    Jan 1, 1978

  • AUSIMM
    Some Effects of Wood, Cement, and Aluminium Sulphate on Flotation of Broken Hill Lead-Zinc Ore

    Results of flotation tests on lead-zinc ore from Broken Hill, N.S.W., confirmed that flotation at pH 9 in the presence of cement gave poorer metallurgical results than flotation at pH 7. Additions of

    Jan 1, 1974

  • AUSIMM
    Geophysical Characteristics, Deep Structure, Magmatism and Metallogeny of the Pacific Belt

    By L A. Maslov

    We have considered the following characteristics of the crust and upper mantle of the Pacific Belt: seismic wave velocity anomalies, mechanical stress and shear deformation rate fields, heat flow and

    Jan 1, 1995

  • AUSIMM
    Hydrothermal Eruptions in Ore Forming Reservoirs: Analogues and Models

    By D O. Hayba

    Metal-rich slurries discharged from excess-enthalpy geothermal wells at Kawerau (NZ) indicate that an efficient ore precipitation mechanism operates in some feedzones. In our conceptual model, which t

    Jan 1, 1995

  • AUSIMM
    Design of Reinforced Concrete Chimney at Yallourn Briquetting Works

    THE Yallourn chimney has aroused interest, as it is, for the time being, the tallest structural erection in Australia. Its height was not decided on, however, with the object of breaking records, but

    Jan 1, 1924

  • AUSIMM
    Permeability of Coal in Relation to Gas Outburst and Drainage

    By J D. St George

    In this paper a laboratory investigation into the effect of confining stress, water content and gas desorption on coal permeability is presented. Of major significance is the effect of coal permeabili

    Jan 1, 1998

  • AUSIMM
    The autonomous rail conveyor significantly reduces ore haulage costs

    By T Graham

    The invention of the traditional belt and idler conveyor system is attributed to Thomas Robins in 1892. This basic concept, ubiquitous in most mining operations, has not changed markedly in 125 years

    Jul 24, 2017

  • AUSIMM
    Oil Exploration in the Western Great Artesian Basin

    Delhi Australian Petroleum Ltd., acting as operator for the joint interests of Delhi and Santos Ltd., has been engaged in petroleum exploration in the western Great Artesian Basin since 1958.Extensive

    Jan 1, 1964

  • AUSIMM
    Nature Conservation and the Minerals Industry

    This paper examines the reform of mining legislation over recent years, the establishment of new Crown land management agencies, and the role of the Crown and environmental groups in nature conservati

    Jan 1, 1995

  • 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
    Pressing-Drill Method - A Representative Method for Taking Analysis Samples from Recycled Materials

    Pressing-Drill Method - A Representative Method for Taking Analysis Samples from Recycled Materials

    Sep 13, 2010

  • AUSIMM
    Mechanism Responsible for Flocculation in Poly (N-Isopropylacrylamide) Temperature Responsive Dewatering - Attractive Interaction Forces Induced by Surface Hydrophobicity

    Mechanism Responsible for Flocculation in Poly (N-Isopropylacrylamide) Temperature Responsive Dewatering - Attractive Interaction Forces Induced by Surface Hydrophobicity

    Sep 13, 2010

  • AUSIMM
    Genetic Classification and Prospectivity of Gold-Bearing Veins in the Otago Schist, New Zealand

    By R J. Norris, D J. MacKenzie

    Gold-bearing veins have formed at a wide range of depths throughout the uplift history of the Otago Schist. The earliest gold mineralisation occurred during the later stages of Mesozoic metamorphism.

    Jan 1, 2000

  • AUSIMM
    Goethite classification, distribution and properties with reference to Australian iron deposits

    By J R. Manuel, J M. F Clout

    The importance of goethite to Australian iron ore production is steadily increasing as the proportion of goethite-rich, martite-goethite bedded and channel iron deposits increases at the expense of de

    Jul 24, 2017

  • AUSIMM
    Episulphide-Based Reagent for Zinc Sulphide Flotation Without Copper Sulphate

    Results of laboratory studies on the flotation of marmatite (zinc sulphide) with new reagents, which were developed to avoid the use of copper sulphate, are presented.Episulphides were chosen as the b

    Jan 1, 1974

  • AUSIMM
    Solid-Vapour Equilibria in the FeCl3-AlCl3-Cl2 System

    By Moyle F. J

    This paper describes an apparatus which was developed to study solid-vapour equilibria and presents results which were obtained during a study of the FeCI3-AlCI3-CI2 system. Analysis of the results sh

    Jan 1, 1979