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  • AUSIMM
    Hourly Ownership and Operating Cost Projection - Rubber Tyred Loaders

    Underground equipment owners and users in order to compete and succeed in being viable business propositions must continually balance costs with productivity. By reducing their hourly ownership, ope

    Jan 1, 1990

  • AUSIMM
    Epithermal Gold-Silver Deposits in New Zealand - A New Wall Poster

    By R L. Brathwaite

    The epithermal gold-silver deposits wall poster is one in a series of posters on different mineral deposit types being produced by GNS Science to raise awareness of the characteristics of New Zealand

    Jan 1, 2005

  • AUSIMM
    Presidential Address (8fa799da-72ad-450c-992f-fd16f30a89df)

    This evening I intend to explain the position of the gold mining industry in the light of post war trends and events.I propose initially to comment on gold production throughout the World and then pro

    Jan 1, 1964

  • AUSIMM
    Production of Cobalt Oxide, Cobalt Sulphate and Electrolytic Cobalt

    In, one stage of the purification sequence of the zinc sulphate electrolyte used at Risdon, cobalt is, precipitated as cobalt nitroso-,B-naphtholate, which is separated from the solution by filtration

    Jan 1, 1949

  • AUSIMM
    Reverberatory Smelting Plant, Mount Morgan

    During the latter part of 1937 consideration was given to the construction of a; local smelting plant for producing blister copper. Previously copper concentrates had been shipped to the United States

    Jan 1, 1939

  • AUSIMM
    Practical measures of process efficiency and opportunity

    By G R. Ballantyne, A N. Mainza, M S. Powell, M Evertsson

    Quantifying the performance of a comminution circuit relative to the potential that can be achieved is a standard requirement in justifying operating practice (the stick) and seeking operational upsid

    Aug 24, 2022

  • AUSIMM
    Manganese and Iron in Broken Hill Sphalerite

    Individual specimens of sphalerite from the Broken Hill lode vary considerably in manganese and iron contents, even within the same orebody, so that study of the overall variation of manganese and iro

    Jan 1, 1956

  • AUSIMM
    The Mine Labour Problem-Wages, Contract or Tribute

    The labour question is one that has caused mine managers much thought and anxiety and is likely to continue to do so as long as human beings exist. The difficulty is to devise some arrangement whereby

    Jan 1, 1901

  • AUSIMM
    Penetration Speed References for the Drillability of Rocks

    From time to time efforts have been made to classify rocks according to their hardness, toughness and abrasiveness, and to use these classifications to provide an indication of the ease or difficulty

    Jan 1, 1950

  • AUSIMM
    Magnetite-Hematite Relations in The Banded Iron Formations of Western Australia

    The banded iron formations "jasper bars," jaspilites, banded hematite quartzites or banded ironstones, etc., as they have. variously been termed in Western Australia, constitute one of the m

    Jan 1, 1941

  • AUSIMM
    An Application of Trend Surface Analysis to the Preparation of Cover Isopach Maps for Coal Seams

    Conventional hand drawn isopach maps of the cover of the Bulli Seam are too eomplex for use in the delineation of large domains of similar cover. Isopach maps prepared from trend surfaces fitted to th

    Jan 1, 1968

  • AUSIMM
    Comparison of Ore Dressing Methods Used by Ilmenite Producers in Western Australia

    Ilmenite production in Western Australia commenced in 1956. There are now five producers, all in the Bunbury-Capel district, and current total production capacity is about 450,000 t.p.a.The deposits o

    Jan 1, 1965

  • AUSIMM
    Pulverizing Goals

    Brief descriptions of several types of unit pulverizeI' are given and the functioning of the components that crush, carry, dry and classify the coal is considered. A distinction is drawn between

    Jan 1, 1957

  • AUSIMM
    Gold in Fault Gouge Without Quartz Veins, Old Man Range, Central Otago

    By D Craw

    The Old Man Range, south of Alexandra, in central Otago consists of a package of highly folded greenschist facies schist of the Wanaka lithologic association. The range is crosscut by several east to

    Jan 1, 2004

  • AUSIMM
    Application of Gold Fineness to the Search for Ore

    It has been fairly firmly established (Fisher, N. H., 1945) that the fineness of the gold in any ore deposit varies with the depth from the surface at which the deposit was formed, and, as a corollary

    Jan 1, 1950

  • AUSIMM
    High Grade Metamorphic Structures in the Broken Hill Orebody

    The Broken Hill orebody ,occurs in the Willyama Complex, a block of Precambrian rocks which have been strongly folded and metamorphosed at moderate to high grade. Although -the origin of the silver-le

    Jan 1, 1975

  • AUSIMM
    Investigation of the Cementation of Copper on Iron

    The kinetic and practical aspects of the extraction of copper from copper-rich solutions by cementation on iron was investigated. Tests were made on the effect of stirring speed, cupric sulphate conce

    Jan 1, 1972

  • AUSIMM
    Screening Tests on Fine Screens

    By Hookings H. J

    UNDER a contract relating to the sale of a Broken Hill concentrate, the differentiation between granular and slime concentrate is determined by the proportion of the material which will pass a 200-mes

    Jan 1, 1922

  • 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
    The Metallurgical Treatment of the Sulpho-Telluride Ores of Kalgoorlie, with Special Reference to Experiments Conducted and Sulphide Mill Erected on the Associated Gold Mines of Western Australia Limited

    The sulphide ores of the principal lodes of the Boulder Mines are mainly composed of a schistose guess with a varying proportion of silica and lime, containing tellurides of gold, silver and mercury,

    Jan 1, 1901