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Residual Aeolian Placers - A New Style of Gold Deposit in New Zealand
Residual aeolian placers (RAPs) are formed by the wind, by preferential entrainment and removal of small and low-density detritusfrom a pre-existing, typically sedimentary sequence containing heavy mi
Jan 1, 2004
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Delivering a healthy atmosphere underground in a cost-conscious environment
By D Reid, J Black
The adverse health impacts from diesel particulate matter (DPM) exposure are a well-known global concern. The building evidence has triggered underground mining operations to review existing atmospher
Aug 28, 2017
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The Relationship of Structure and Ore Deposition at Stawell Goldfield, Victoria
The Stawell Goldfield, the westernmost of the main Victorian fields, has produced over a million and a quarter ounces of gold from one and three-quarter million tons of ore. The lodes are quartz reefs
Jan 1, 1960
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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
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Acid Generating Potential of Waste Rock and Coal Ash in New Zealand Coal Mines
By A H. Clemens, P Lindsay
Acid producing potential static tests have been undertaken on sample lithologies from New Zealand coal mines, to rank the lithogies into acid producing waste rock and stable non-acid producing waste r
Jan 1, 1999
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Mineral Changes that Occur During Coal Gasification
Mineral Changes that Occur During Coal Gasification
Sep 13, 2010
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Presidential Address, 1970 Men for Minerals
This evening I would like to speak about men for the mineral industry.It is trite to say that the mining industry is expanding rapidly and that technically trained men are in short supply. How short i
Jan 1, 1970
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Minimising Crest Loss by Eliminating Surface Dilation Due to Presplitting
In most mines using presplitting the final excavated wall shows a zone of damage just below the crest and well defined presplit half barrels. The crest damage (surface dilation) zone varies and is add
May 1, 2010
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Various Interpretations of Coal Petrographic Nomenclature and their Effects on Maceral Analyses
The commonly used Stopes-Heerlen coal petrographic classification and nomenclature has over the years been subject to variable interpretations. This paper discusses the problem with specific reference
Jan 1, 1970
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Sedimentary Structures in the Metamorphic Rocks and Orebodies of Broken Hill
Undisturbed minor sedimentary structures-cross-bedding, ripplemarking, scour-and-fill, slumping-are present in most of the rock types in the Willyama Series of the Broken Hill district and in the oreb
Jan 1, 1959
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Concentration Practice in the Australian Beach Sand Industry
Beaches contain the residue of eroded rocks which have resisted weathering, and it is common to find in all beaches some of the harder, heavy minerals. The natural sorting action of waves and winds te
Jan 1, 1950
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Increasing Face Ventilation in Coal Mines
The author summarizes and extends the relevant results of papers previously published by various authors and presents these results in chart form. The charts are used to demonstrate the theory on a hy
Jan 1, 1958
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Stirred Milling Technology - A New Concept in Fine Grinding
By A Paz, H Lehto, M +stholm, I Roitto
Nowadays, the demand for a finer grind in minerals processing has set new challenges within the industry, particularly for grinding technology. Apart from a finer grind, energy efficiency is also a ke
Jul 15, 2013
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Distribution of Assay Values in Some Western Australian Gold Ores
In gold ores, the range of value disclosed by ordinary mine sampling is very wide, and the number of 'samples required for a reliable average is correspondingly great. Even where a large number o
Jan 1, 1950
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Design and Operation of a Counter Current Gas Scrubbing System
For many years the scrubbing of roaster gas carrying sulphur dioxide has been carried out at the plant of the Electrolytic Zinc Co. of Australasia Ltd. at Risdon, Tasmania, using long horizontal tubes
Jan 1, 1949
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Mining Education in Australasia
THE Australian States and New Zealand have for many years provided instruction in mining, metallurgy, geology, and their allied subjects through their Universities and Schools of Mines. Though such ed
Jan 1, 1915
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Stacking and Reclaiming Facilities at South Blackwater Coal Mine, Queensland
By Hoskings R
Conceptual studies of the run of mine stockpiling and reclaiming requirements at Thiess Bros Pty Ltd South Blackwater coal mine commenced in 1975.Final selection of equipment was made in 1978 and the
Jan 1, 1981
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The Contrast in Granitic Rock Types Associated with Tin and Gold Mineralization in Tasmania
Tin mineralization in both eastern and western Tasmania shows a spatial correlation with middle Palaeozoic biotite granites and adamellites. The range of composition of these granitic rocks is restric
Jan 1, 1970
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Plant Improvement and Cost Reduction at the Great Boulder Proprietary Gold Mines Limited
By Harris J. W
The treatment plant at The Great Boulder Proprietary Gold Mines Limited was designed and erected by Chas. Ruwolt Proprietary Limited in 1934 to mill 12,000 short tons per month. The flow sheet called
Jan 1, 1955
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An Experimental Detailed Magnetic Survey by Light Aircraft
From March to May of 1963, the Bureau of Mineral Resources carried out an experimental aeromagnetic survey at Cobar, New South Wales, to field test a proton-precession magnetometer installation in the
Jan 1, 1964