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  • AUSIMM
    Petrographic Evidence Relating to Movement on the Thackaringa-Pinnacles Fault, Broken Hill District

    Although the pattern of metamorphic zones south of the Thackaringa-Pinnacles Fault is much obscured by polymetamorphism, displacement of the orthopyroxene isograd by the fault agrees with the displace

    Jan 1, 1965

  • AUSIMM
    The Anchor Mine Operation

    This paper reviews the development and operation of a small underground tin mine in NE Tasmania. Tin mineralisation was discovered in the Lottah area in the 1880s with early alluvial and eluvial worki

    Jan 1, 1990

  • AUSIMM
    The Effect of an Excessive Addition of Copper Sulphate on the Flotation of Sphalerite

    By Dunkin H. H

    Flotation tests in a laboratory flotation cell at pH 8-8.5 and other sui}plementary tests were carried out on sphalerite-quartz and sphalerite-pyrite-'quartz mixtures. Depression of sphalerite re

    Jan 1, 1954

  • AUSIMM
    The Development of Brown Coal Char as a New Metallurgical Fuel

    By Kennedy G. L, Evans D. G

    The development of the carbonization of brown coal briquettes to produce a hard char suitable for use in place of imported hard coke has continued in Victoria, and an experimental carbonization plant

    Jan 1, 1960

  • AUSIMM
    Determination of Tin in Cassiterite Ores by An Application of The Mossbauer Effect

    A method for the detection and analysis of tin in cassiterite ores is discussed. An empirical relationship was established between the tin content of an ore sample and the percentage absorption that t

    Jan 1, 1969

  • AUSIMM
    Alteration Associated with Volcanic-Hosted Massive Sulfide Deposits, and its Exploration Significance

    By W Herrmann, R R. Large

    Volcanic-hosted massive sulfide (VHMS) deposits in ancient, submarine volcanic belts of Australia include mound, lens and sheet-style Zn-rich polymetallic deposits, massive and disseminated pyritic Cu

    Jan 1, 2002

  • AUSIMM
    Improving safety through technology – Orica wireless electronic blasting system trials at Ernest Henry Mine

    By S Thomson, M Lovitt, T Purvis, C te Kloot, T Nguyen, Z Liu

    Ernest Henry Mine (EHM), located in north-western Queensland, is an underground copper/gold sublevel caving operation currently producing over 6 Mt/a of ore. The mass mining method of sublevel caving

    Oct 16, 2017

  • AUSIMM
    Applicaton of Agricultural Residues from Pyrolysis in Flotation of Black Coal

    Applicaton of Agricultural Residues from Pyrolysis in Flotation of Black Coal

    Sep 13, 2010

  • AUSIMM
    Electrical Conductivity of Zinc Electrowinning Electrolytes

    By Umetsu Y, Su Qing-quan

    The electrical conductivity of electrolytes is very important in metal electrowinning and electrorefining processes as it has a very large influence on the energy consumption. There are few measurem

    Jan 1, 1993

  • AUSIMM
    Discriminating hematite/magnetite via scanning electron microscope–mineral liberation analyser in the - mesh size fraction of iron ores

    By M Shaffer, D C. Grant, D J. Goudie, P Sylvester, C Voisey

    Scanning electron microscope–Mineral Liberation Analyser SEM-MLA can be used to discriminate between hematite/magnetite in iron ores, but achieving backscattered electron (BSE) segmentation between th

    Jul 24, 2017

  • AUSIMM
    Rosebery Mine Exploration - Recent Successes

    By Hale C. T, Carnie W. A

    Rosebery mine has had over 100 years of mining activity. The reserve has remained static for the last eight years with an expected mine life of six years. A move to rectify this was made in 1994 wit

    Jan 1, 1997

  • AUSIMM
    Communication - The Misima Story

    Misiman society is matrilineal and despite relatively long contact with Europeans and mining, it retains its traditional consensus style of decision making. Many Misimans at least understand Engl

    Jan 1, 1991

  • AUSIMM
    Processing Copper-Gold Ore at Ok Tedi

    By Kanau JL, Kilgour I

    This paper describes the metallurgical processes at the 80 000tpd Ok Tedi Mining Limited concentrator, which treats copper- gold ore by single-stage crushing, SAG and ball milling and flotation to

    Jan 1, 1991

  • AUSIMM
    Alluvial Gold and Gold Mobility in Quartz Gravels, Waimumu, Southland

    Detailed characteristics of gold from Pliocene auriferous quartz gravels from Waimumu (Southland) have been studied using a combination of optical microscopy, energy dispersive microprobe analysis and

    Jan 1, 1987

  • AUSIMM
    Sampling and Grade Control Pratices at Misima Mines

    The Misima open pit gold mine is a 20Mt per annum operation. Blasthole drilling is used to sample all material at a uniform 5m square pattern, and representative sub- sampling of the blast holes en

    Jan 1, 1991

  • AUSIMM
    Gold Mineralisation at Porgera, Papua New Guinea

    The Porgera gold deposit is an epithermal gold base-metal deposit located in the Enga Province of Papua New Guinea. Gold-silver-sphalerite-galena-pyrite mineralisation is related to stocks and dykes o

    Jan 1, 1980

  • AUSIMM
    Some Real and Imaginary Examples of Volcanic Hazard and Risk Assessment

    An empirical method of estimating dense rock (D.R.E.) equivalent volumes erupted as airfall tephra, described in a companion paper in this volume, is elaborated, and its accuracy discussed. Estimates

    Jan 1, 1990

  • AUSIMM
    Teaching Geoscience in the 21st Century

    By Robinson KJ

    Education in Australia now has to respond to a very wide political and policy agenda. The political emphasis is upon increasing participation and retention rates with a view to greater graduation r

    Jan 1, 1989

  • AUSIMM
    Gold Mineralisation at the Porgera Gold Mine, Papua New Guinea, in Response to Fluid Mixing

    By C A. Heinrich, J L. Walshe, V J. Wall

    The Porgera Gold Mine, located in the highlands of Papua New Guinea, has produced over 5 million ounces of Au, since its opening in late 1990. The deposit is located within Upper Cretaceous Papuan Pla

    Jan 1, 1995

  • AUSIMM
    VertiMill« - Development of Circuit Survey and Performance Evaluation Protocols

    By K Kermanshahi, J Allen, MáHilden, M Powell, S Mwansa, S Palaniandy

    Approximately 420 VertiMills« (VTM) have been installed in mineral processing plants throughout the world, mainly in tertiary and regrind applications plus several in secondary grinding duties. Metso

    Jul 15, 2013