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Migration of Gold During Boring
The following data cover a phase in the systematic testing of gold deposits which does not appear to have been specificalIy investigated.In boring either secondary or primary deposits, gold, by virtue
Jan 1, 1950
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Regional Stability of Underground Mines ù A Core Risk
The history of soft and hard rock underground mining is blemished with regional instabilities of mine workings. Whilst the potential consequences of regional instability events are recognised to be hi
Jan 1, 2003
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The Purification of Zinc Sulphate Solutions Intended for the Electrolytic Recovery of Zinc
The commercial application of electrolysis to zinc sulphate solutions for the production of metallic zinc is a development ·of the past twenty years. Earlier attempts failed to give satisfactory
Jan 1, 1934
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Presidential Address Mining on Private Property on the Goldfields of Western Australia
In several of the States of Australia, mining on private property has been seriously hampered by the fact that large areas of land have been alienated from the Crown before the discovery of gold or ot
Jan 1, 1901
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Enhancing magnetite concentrate granulation by blending with hematite ore
By J Addai-Mensah, M Adam, W Skinner, J Begelhole, K Quast
Granulation of iron ore fines into robust granules is critical to successful sintering and blast furnace operations in iron and steelmaking. Iron and steelmakers desire iron ore granules with high str
Jul 24, 2017
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Fundamentals Research on the Port Pirie Lead Blast Furnace Slags
The great problem at Port Pirie and many other lead smelters has always been to keep the lead content of the slags down to a low level. This has been done in the past largely by empirical methods, the
Jan 1, 1956
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Realismm, A Virtual Reality in Rational Managerial Decision Making
Rational decision making is generally perceived by managers of operations to be a delicate process of committing large sums of money and putting other people's life at risk. Consequently most man
Jan 1, 1993
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Progressing Cave Performance into the Later Stages of the Deep Ore Zone Mine
By A M. Purba and A Sjadat, A D. Wilson
Ongoing mining of the East Ertsberg Skarn System orebody below the Gunung Bijih Timur and Intermediate Ore Zone caves has been relatively successful and a ramp up to 80 000 t/d was achieved in the Dee
May 9, 2016
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The Bootstrap - A Non-Parametric Statistical Method for Assessing the Reliability of Alluvial Gold Grade Estimates
Alluvial gold grades are typically highly erratic. It is very often difficult to establish with confidence the in situ grades of reserve blocks due to the small number of pit or drill hole samples ava
Jan 1, 1985
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Potential for Revegetating Base-Metal Tailings at the Tui Mine Site, Te Aroha, New Zealand
By P E. H Gregg, D Horne, R B. Stewart, N Bolan
The Tui mine site is situated on the NW flank of Mt. Te Aroha, at approximately 400 m altitude. During underground mining operations two lead-copper-zinc ore bodies were exploited and processed on sit
Jan 1, 1995
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Hydrocarbon Potential of the Great South Basin
By M Carter
The Great South Basin is located beneath the northwest part of the Campbell Plateau, a+broad, nearly level, triangular shaped submarine platform, southeast of the South Island of New Zealand. It encom
Jan 1, 1983
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Planned Preventive Maintenance
The development and introduction of a preventive maintenance scheme in the coke ovens department, coal preparation section, of The Broken Hill Proprietary Co. Ltd., Newcastle steelworks, is described
Jan 1, 1961
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Smarter Gravity Separation Using the Kelsey Centrifugal Jig
Smarter Gravity Separation Using the Kelsey Centrifugal Jig With relatively coarse grained and easy-to-process ore sources rapidly dwindling, smarter techniques are becoming more necessary for the co
Sep 13, 2010
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Variation of the Activity Coefficients of SnO and FeO Tin Smelting Slags
A slag-metal equilibrium study of the system SnO-FeO-(Si02+Al2O3)/Sn-Fe was carried out at 1250°C. The distribution coefficient, k =(Sn/Fe)metal X (Fe/Sn)slag was found to range from 246 for an i
Jan 1, 1974
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Audits of Mine Health and Safety using Quality Management Techniques
The use of walk-through inspections, approvals and ad hoc investigations to ensure risk is kept within acceptable levels is reaching its limits of effectiveness. Further improvement in occupational he
Jan 1, 1998
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Some Experiences and Recent Developments in Sintering Australian Iron Ores
In common with general experience in the iron-making industry overseas, Australia has in recent years suffered a deterioration in the physical quality of her iron ores in their suitability as a direct
Jan 1, 1957
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An Application of Statistics to the Chemical Recognition of Nickel Gossans in the Yilgarn Block, Western Australia
Principal component analysis of the variation of Cu, Ni, Zn, Pb, Mn, and Cr in a control group of 96 samples of surface ironstone from the Yilgarn Block, Western Australia, was used to derive a simple
Jan 1, 1974
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Outlook for Oil Demand in the Pacific Basin Region
Large GDP increases in the Pacific Rim countries have been accompanied by similarly large increases in demand for oil products. In the case of residual fuels, this demand has been tempered by the subs
Jan 1, 1990
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Mount Morgan Practice in Recording and Estimating Ore Tonnages and Values
THE irregularity of the Mount Morgan ore body presents problems other than those for mining only. For irregularity of outline is coupled with irregularity of grade, and the ore varies so rapidly from
Jan 1, 1910
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Effect of Additives on Anionic Flotation of Magnesite
By Narasimhan K. S, Sastri S. R
A typical high silica low grade magnesite from the Salem area of Southern India, was used in studies to develop a suitable flotation system involving commercially inexpensive sodium oleate as the coll
Jan 1, 1980