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Assessing Sustainability of Gold Mining Operations Using Fuzzy Logic Methodology
By L Lorenzen
In this paper, we developed and implemented a fuzzy logic expert system capable of evaluating the degree of sustainability within the context of gold mining operations. The newly introduced approach o
Jan 1, 2007
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Automation for efficient separation with the Outotec SLon® vertically pulsating high gradient magnetic separator
By I Sherrell, R Jain, P Jansson
With the depleting iron reserves and difficult market conditions, precision in separation efficiency is of utmost importance. Classical local control options are predominant in the industry, but their
Jul 24, 2017
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Mining a 100 Million Tonne Orebody Without Subsidence
The major copper orebody at Mount Isa is being extracted at a rate of four million tonnes per year. The method used requires an equivalent rate of back filling with (mainly) cemented fill. There were
Jan 1, 1980
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Contact Angle Measurements on Lignite Surface
Contact Angle Measurements on Lignite Surface
Sep 13, 2010
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Recovery of Tin from Tinhouse Scruff Metal
A modified liquation technique was developed for recovering tin from tinhouse scruff metal or hardhead containing about 10 per cent iron and 15 per cent occluded flux, palm oil, and moisture. This was
Jan 1, 1969
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Contract Versus Owner Mining ù An Update on Australasian Open Pit Mining Practice
With the advent of the resources boom in the late 1960s most of the larger scale resources projects in Australasia were commissioned on an æowner miningÆ basis, where the mine owners owned and operate
Jan 1, 2002
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The Air Comparison Pycnometer for Rapid Iron Determinations
The Beckman Air Comparison Pycnometer is as accurate as the specific gravity bottle for the determination of the volume of fine powders, or particles, up to 50 c.c. in volume. The determination using
Jan 1, 1963
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Deterministic Expert Systems : A New Planning Tool for Project Development
Project developent proceeds by increasingly detailed studies addressing overall project returns through an analysis of the substance, risks and costs associated with the following elements: ò Reserv
Jan 1, 1989
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Evolution of Selected Porphyry Copper-Gold Systems in the Southwest Pacific Region and its Relevance to Exploration
The sequences in alteration and mineralisation from five copper-gold porphyry systems (Taysan and Didipio, Philippines; Horse-Ivaal and Wafi River, PNG; and Goonumbla, Australia) and one gold-copper s
Jan 1, 1999
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Rehabilitation and Water Quality Control at Ohai Coalfields
By K J. Thompson
This paper describes the work which has been undertaken at the Ohai coalfields in Southland to restore overburden heaps during past opencast mining operations, and procedures which have been adopted t
Jan 1, 1981
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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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Gold Production Costs
The final criterion of the payability of gold production must necessarily be the cost per ounce. While the cost per ton or per cubic yard is a convenient comparative measure, and a necessary one for o
Jan 1, 1940
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New Zealand Coal Qualities - How Do They Rate in World Markets?
By T DePetris, B B. Beamish
There has been a gradual increase in the volume of internationally traded thermal and coking coal, with emphasis on blending of coals rather than single coal usage. New Zealand can take advantage of t
Jan 1, 1994
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Beneficiation of Iron Ore - Washing with Surface-Active Agent
Beneficiation of Iron Ore - Washing with Surface-Active Agent The stability of the dispersed phase in 10 wt per cent slurry of iron ore slime and fines was studied at pH 5 and different concentration
Sep 13, 2010
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Constraints on the Dynamics of Rifting and Denudation on the Eastern Margin of Australia: Fission Track Evidence for Two Discrete Causes of Rock Cooling
By A Raza, D P. Kohn, D A. Foster, A J. W Gleadow
A large and increasing data base of apatite fission track results from sedimentary and granitic rocks exposed within the south-eastern highlands and along the continental margin ofAustralia provides c
Jan 1, 1995
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Study of microwave-assisted magnetising roasting and mineral transformation of low-grade goethite iron ores
By M I. Pownceby, S Hapugoda, V Nunna
Deposits of low-grade iron ores containing abundant goethite are distributed across the world. A common difficulty associated with beneficiating goethitic-rich ores is the poor liberation characterist
Jul 24, 2017
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The Direct and Indirect Effects of the Reagent Suite on Froth Stability in Laboratory Scale Batch Flotation Tests
The Direct and Indirect Effects of the Reagent Suite on Froth Stability in Laboratory Scale Batch Flotation Tests
Sep 13, 2010
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Geometallurgical Study of Copper Oxide Mineralisation Hosted in Gravels of Different Physical Quality
Geometallurgical Study of Copper Oxide Mineralisation Hosted in Gravels of Different Physical Quality
Sep 13, 2010
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Proposed Model for High Speed Diamond Cutting of Hard Rocks
By B Bamford
High speed diamond cutting has extensive applications in civil and mining engineering. A project involving the diamond sawing of black granite is investigating the nature of the diamond cutting proces
Jan 1, 1992
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Silica Gelation in Risdon Leach Pulp
The polymerisation of silica is found to interfere with thickening of leach pulps at Risdon. Hydroxyl ion and fluoride ion are catalysts for this reaction. Stability may be obtained by the presence of
Jan 1, 1958