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  • AUSIMM
    Applications of Fine Screens in Grinding Circuits

    By J E. Wheeler, S B. Valine, L G. Albuquerque

    It has long been known that closed circuit grinding with a classifier improves grinding efficiency, reduces unit specific power consumption, and reduces over grinding. The classification device remove

    Oct 29, 2012

  • AUSIMM
    Storage and Time - A Paradigm for Aquifer Pressure Management Beneath Open Cut Mines

    By S Yuen, T Rana, S Khan

    Many open pit mines require dewatering or need aquifer depressurisation systems to manage mine water inflow and/or mine floor stability. In many instances these mining operations impact on regional gr

    Jan 1, 2009

  • AUSIMM
    Gold Dredging Practice in New Zealand û Past and Present

    This paper is in two parts. The first covers the evolution of dredging leading to the development of the æNZ typeÆ large dredge and the second, current alluvial gold recovery practice in NZ. NZ was t

    Jan 1, 1985

  • AUSIMM
    A Three-Dimensional Section Through the Otago Schist, New Zealand

    By D Craw

    Formation of gold-bearing veins in Otago Schist was intimately linked to the structural evolution of the schist belt. The currently-exploited Macraes gold deposit formed in a regional scale shear zone

    Jan 1, 2001

  • AUSIMM
    Refining Metals with Sulphur (b5b5ef1f-2600-4f80-b653-f1fb872f28fb)

    Recent work on decoppering lead is reviewed CUS is formed rapidly even from dilute solutions of copper in lead. The mechanism of decoppering is discussed and an explanation for the retention of metals

    Jan 1, 1971

  • AUSIMM
    The Blue Asbestos Deposits of the Hamersley Ranges (19c1a807-8e29-4e48-b49c-0186628feb0e)

    Crocidolite deposits in the Hamersley Ranges, NW. of Western Australia, occur over a length of 180 miles and a width of 20' to 30 miles. Their stratigraphic environment and mineralogy is comparab

    Jan 1, 1964

  • AUSIMM
    Using existing data to improve the delineation of ore at the Olympic Dam Fe-oxide Cu-U-Au-Ag deposit

    By K Ehrig, J Griffith

    An extensive suite of elements are routinely assayed on all resource drill core samples to assist in deposit scale resource definition, local mine scale delineation of ore zones, and ore characterisat

    Sep 20, 2017

  • AUSIMM
    Dirty goethite – a geochemical characterisation of some western Robe River channel iron deposits

    By C Placzek, E Beattie, K Blake

    Channel iron deposits (CID) consist of ferruginous chemical sediments, and are an unusual subset of Phanerozoic ooidal ironstone deposits almost unique to the Pilbara, where they constitute around 19

    Jul 24, 2017

  • AUSIMM
    The Barmac Autogenous Crushing Mill - The New Development in Autogenous Crushing and Milling

    The Barmac autogenous crushing mill is one of the most successful new comminution technologies to become available to the mining and industrial minerals industries in this decade.   The Barmac au

    Jan 1, 1990

  • 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
    Hexagon Sets

    TIMBER supports for large underground cavities are temporary expedients until the permanent filling can be put in. Nevertheless, timber supports are very necessary in some form. The general problem is

    Jan 1, 1912

  • AUSIMM
    Post-Mine Leaching of Galena and Marmatite at Broken Hill

    By Blanchard R

    In stopes of the 2000- and 2150-ft. levels in the North mine section of North Broken Hill Limited, whence a substantial proportion of the company's production is being drawn, and especially in st

    Jan 1, 1942

  • AUSIMM
    The Breakdown of Shales in Water

    By Whitmore R. L

    The action of water on a number of Queensland shales which are associated with particular coal measures and oil shales has been studied. The results suggest that the disintegration of some of the shal

    Jan 1, 1982

  • AUSIMM
    High Resolution Seismic Reflection and its Implications for Mine Risk Management: a Case Study from the Huntly Coalfield, New Zealand

    Geological hazards such as faulting, basement ridges, and zones of "thin" (< 6 m) coal have a major impact on mining economics of underground operations in Huntly Coalfield. Experience has shown th

    Jan 1, 1997

  • AUSIMM
    The Concentration of Ore from the Read-Rosebery Mines of Electrolytic Zinc Company of Australasia Limited

    DESCRIPTION OF OREThe ore consists, in general, of a very finely grained mixture of sphalerite, galena, and pyrite, with a gangue of quartz and schistose material, and contains about one ounce of silv

    Jan 1, 1927

  • AUSIMM
    Distant Fields - Are They Really Greener?

    The Australian mining industry is at an interesting stage in its development. Of the large number of mining companies in Australia, some are still solely domestic in their focus, others have made thei

    Jan 1, 1995

  • AUSIMM
    Reflections on Gold Occurence at Bendigo

    Cessation of mining on the Bendigo goldfield makes it evident that, as the older generation fades away, knowledge of the famous Bendigo saddle reefs will be limited in the future by their written reco

    Jan 1, 1961

  • AUSIMM
    The influence of ferrosilicon properties on dense medium seperation plant consumption

    By Davy A. T, Hansen J. O

    The causes of ferrosilicon loss from Dense Media Separation (DMS) plants, and the related properties of ferrosilicon, are identified. Two characteristics, corrosion resistance and saturation magnetisa

    Jan 1, 1986

  • AUSIMM
    Improvement of sinter productivity by control of magnetite ore segregation in sintering bed

    By H Matsuno, N Oyama, T Yamamoto, K Nakajima, Y Iwami, N Saito

    Recently, the quality of sinter feed ore used in sintering process has deteriorated. In particular, Fe has decreased and gangue component has increased in the sinter feed ore. Increase of gangue is no

    Jul 24, 2017

  • AUSIMM
    Costing Techniques in the Mining Industry

    Many mining operations are uncertain of what costs they should be achieving. The majority of cost estimates are based on historical costs that have added contingency factors. Historical costs are a

    Jan 1, 1990