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  • AUSIMM
    The Colorimetric Determination of Thorium in Soils, Sediments, and Rocks

    Samples weighing 0·5 g are decomposed with hydrofluoric and other acids. Most elements are extracted ftom the acid, aqueous solution by Alamine 336 (tricaprylyl tertiary amine) and thorium is det

    Jan 1, 1971

  • AUSIMM
    Mining Methods in Use at North Broken Hill Ltd., Broken Hill, N.S.W.

    This paper gives a description of the methods of mining employed at North Broken Hill Limited, Broken Hill, N.S.W.GEOLOGICAL NOTESThe main Broken Hill lode occurs as a replacement of tightly folded pr

    Jan 1, 1940

  • AUSIMM
    A review of ventilation and gas management in underground mines

    By A Self, B Robertson

    During 2015 and 2016, the authors conducted a number of surveys, workshops and reviews of ventilation and gas management practices in Australian underground coalmines. The study was funded by ACARP wi

    Aug 28, 2017

  • AUSIMM
    Implications of Flyrock Associated with Blasting in Urban Areas

    By J D. St George

    Flyrock is the unexpected and undesirable projection of rock fragments during detonation of a blast and managing this risk is becoming an increasing challenge as urban development encroach toward mine

    Jan 1, 2001

  • AUSIMM
    The Resource Management Act - A Rich Seam for the Mining Industry

    Recent legislation in the environmental field gives the mining industry an opportunity to take timely action to address its image. Shifting the focus away from mining (the activity) to minerals (the r

    Jan 1, 1993

  • AUSIMM
    An Update of Exploration at Gladstone and Union Hills, Waihi

    Mineralisation was identified at Gladstone Hill as far back as the late 1870s-early 1880s, shortly after the initial discovery of mineralisation at what is now the Martha Mine. Indeed, early recovery

    Jan 1, 2000

  • AUSIMM
    Effect of Pre-Oxidation and Filtration on Cyanidation of Contaminated Gold from a Flotation Concentrate

    By J T. Woodcock, G J. Sparrow

    A sample of pyrrhotite flotation concentrate pulp assaying 15.3 g/t Au, which had been prepared from an old tailing dump, was treated to extract the gold. Examination of the concentrate with an SEM sh

    Jan 1, 1990

  • AUSIMM
    Sampling with The Long-Hole Rock Drill at North Broken Hill Limited

    Early in 1940 the development and sampling programmes in hand on the North and British Sections of North Broken Hill Limited were such as to necessitate the drilling of a large number of drill holes r

    Jan 1, 1941

  • AUSIMM
    Telfer Processing Plant Upgrade - The Implementation of Additional Cleaning Capacity and the Regrinding of Copper and Pyrite Concentrates

    By D R. Seaman, B Adamson, F Burns, B A. Seaman, P Manton

    The Telfer concentrator, located in the Great Sandy Desert of Western Australia, consists of a dual train gold/copper operation processing ore from one underground and, currently, two open pit mines w

    Oct 29, 2012

  • AUSIMM
    Some Notes on Sampling for Gold

    In choosing such a threadbare subject for a paper I fear that I may in some measure be taxing your patience, yet as upon the accuracy with which the work is done depends the result of conclusions draw

  • AUSIMM
    Women as Mine Managers – a Utopia?

    By M Quinteiro, Å Sundqvist

    What is special about being a female mine manager? We do not believe that the challenge is greater for women in managing a mine compared to managerial positions in other male-dominated businesses. The

    May 9, 2016

  • AUSIMM
    The dustiness and wettability of very fine Australian coal particles

    By Scales PJ, Ralston J

    Fine coal particles have been examined with respect to dustiness and its connection with various physical and chemical properties. It appears that a given coal will tend to be dusty ifthe moisture con

    Jan 1, 1986

  • AUSIMM
    Notes on Ore Occurrences in Highly Metamorphosed Precambrian Rocks

    S. R. Carter (Mount Isa Mines Ltd., Mt. Isa): I found many ideas to interest me in Haddon King's paper "Notes on Ore Occurrences in Highly Metamorphosed Precambrian Rocks" (Stillwell An

    Jan 1, 1959

  • AUSIMM
    Conceptual Exploration for Tin, Gold and Diamond Placer Deposits in ‘Sundaland’ (Indonesia and Malaysia) by Understanding the Late Cainozoic Stratigraphic Context

    By D A-F Batchelor

    "An EXTENDED ABSTRACT is available for download. A full-length paper was not prepared for this presentation.South-East Asia represents the world’s most productive tin province, mainly from placers. Ka

    Mar 18, 2015

  • AUSIMM
    Updated Julius Kruttschnitt Semi-Autogenous Grinding Mill Model

    By C Bailey, T Kojovic, M M. Hilden, M S. Powell

    The Julius Kruttschnitt semi-autogenous grinding (SAG) mill model was developed by Leung in the 1980s and extensively updated to the variable rates model by Morrell and Morrison in 1996. Since then on

    Oct 29, 2012

  • AUSIMM
    Mining and Geological Factors Associated with Instantaneous Outbursts of Coal and Gas

    This paper considers the application of recent laboratory gas sorption data to the understanding outburst phenomena in underground coal mining. Previous use of threshold limits based on gas content an

    Jan 1, 1994

  • AUSIMM
    Contributed Discussion to "A Study of Mine Subsidence at Two Collieries in the Southern Coalfield, New South Wales" by W. A. Kapp (Proceedings No. 276, December, 1980)

    Mr Kapp's paper helps considerably to clarify the subsidence/mine geometry relationships in New South Wales. It is in the best tradition of the presentation of field investigations such as has bu

    Jan 1, 1981

  • AUSIMM
    Gold-Silver Mineralisation at Neavesville, Coromandel Peninsula, NZ

    By L Torckler, R L. Brathwaite

    At Neavesville gold-silver (electrum) mineralisation occurs in steeply-dipping zones of intense fracturing, brecciation and quartz veining within rhyolitic pyroclastics, carbohaceous shales and andesi

    Jan 1, 1980

  • AUSIMM
    Implementation of Fine-Screening in Preparation of KGHM PM SA Sandstone-Carbonate Copper Ore for Flotation

    Implementation of Fine-Screening in Preparation of KGHM PM SA Sandstone-Carbonate Copper Ore for Flotation

    Sep 13, 2010

  • 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