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Cracking A Hard Nut: An Overview Of Lonmin?s Operations Directed At Smelting Of UG2-Rich Concentrate BlendsKeywords: Pyrometallurgy, furnace, Lonmin, platinum, PGM, UG2 Lonmin, earlier than any other primary platinum producer, had to deal with the concentrating and smelting of UG2-rich ores and concent
Jan 1, 2011
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Continuous, Real Time Pulp Chemistry Measurements and What They Tell Us about Metallurgical PerformanceBy Kyle Selga, Christopher J. Greet
"The Pulp Chemistry Monitor (PCM) has been installed and operated in a number of concentrators in Australasia, and has produced some very interesting results. PCM measures the pH, Eh, dissolved oxyge
Jan 1, 2016
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Enhanced Gravity Recovery of Base Metal and Industrial Minerals"Mineral separation by exploiting the differences in mineral or metal specific gravities (sg) has been used since antiquity. In the modern era, this is most commonly seen in the recovery of gold by t
Jan 1, 2017
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Foundations In The Urban Environment The Need For Unique Installation Methods - IntroductionBy James J. Cahill
Contractor's working in an urban environment face a multitude of working conditions. There is no typical "Downtown" job site. From afar we just see the skyline, or up close a specific building. T
Jan 1, 1991
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OFR-38-87 Light Sources For Fiber Optic Mine Lighting SystemsBy M. C. Bleiweiss
Various light sources were evaluated for use in a fiber optic lighting system for mining machines. It was determined that a metal halide arc lamp was best because of its resistance to damage from shoc
Jan 1, 1986
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Experimental And Numerical Modeling Of The Flow Field In An Industrial Bronze Caster ? Improving The Numerical ModelBy S. Eck
In previous work the influence of the casting speed on the flow field and the shape of the solidification front in an industrial 0.82 x 0.25 x 0.8 m³ bronze caster had been investigated. Both numerica
Jan 1, 2009
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The Breakdown of Shales in WaterBy 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
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Geophysics - Uses of Induced Polarization in Mining ExplorationBy P. G. Hallof
Only recently has the term Induced Polarization found its way into geophysical literature. Schlumberger first mentioned the possible use of the induced polarization effect in one of his early papers.
Jan 1, 1961
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Ground Vibrations from Pile and Sheet Pile Driving Part 1 — Building DamageBy K. Rainer Massarsch, Bengt H. Fellenius
"Abstract Vibrations generated during the driving of piles or sheet piles can affect buildings or installations in the ground. However, observed building damage is not always caused directly by dynami
Jan 1, 2014
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The Influence of the First Layer Thickness of Immediate Roof on its StabilityBy Lixun Kang
Bedded structure is the characteristics of coal measures strata. Bedding planes, coal streaks and soft rock bands existing in roof strata destroyed its continuity in the direction perpendicular to the
Jan 1, 2005
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Charles Grimes Bridge Foundations, Melbourne, Australia - SynopsisBy Charles Pol Vuillier
Piling work for modification to the Charles Grimes Bridge in Melbourne, Australia required piles to be installed through 15 to 20 m thickness of very soft to soft silty clay overlying 10 m of stiff cl
Jan 1, 2000
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Report on the 11th International Symposium on Rock Fragmentation by BlastingBy A T. Spathis
The 11th International Symposium on Rock Fragmentation by Blasting (FRAGBLAST 11) was held in Sydney, Australia, between 24-26 August, 2015. The 93 papers, including six keynote presentations, covered
Jan 1, 2015
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OFR-49-75 Seismic Mine Monitor System - Phase IV ReportBy J. C. Fowler
The field testing of the Seismic Mine Monitor System is described. This system consists of nine geophones buried about 40 feet deep over a ten-square-mile area, the amplifiers and electronics needed t
Jan 1, 1974
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Dynamic Response Analysis of a Reinforced Concrete Structure in Underground Coal Mine Environment with Various Strata Conditions - Mining, Metallurgy & Exploration (2023)By Taghi Sherizadeh, Kutay E. Karadeniz, Dogukan Guner, Samuel Nowak
Seals and build-in-place (BIP) refuge alternatives (RAs) are two main underground structures to isolate an area from the active working zones with different purposes. While seals are used to prevent m
Feb 8, 2023
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The Use Of Stone Columns On Settlement And Liquefaction Susceptible SoilsBy Ivan Jackson Madura
The new Paradisus Coco Beach Resort in Rio Grande (PR) is located on an old swamp area, which has been filled with relatively clean to silty sands. The swampy deposits consists of organic silts, peat
Jan 1, 2002
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The Effect Of Rock Type And Tunneling Machine On Bulk Material Handling ParametersBy Donald E. Raab, Lee W. Saperstein
INTRODUCTION The Premise Not much time has to be spent in a tunneling project to realize the tremendous interdependence that exists among the various unit operations. The research that is to be
Jan 1, 1974
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Quantifying Stable Hangingwall Spans Between Support UnitsThe current methodology to design stope support systems in South African gold and platinum mines is based upon the tributary area concept. The discontinuous nature of the hangingwall rock is not adequ
Jan 1, 2000
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Analytical Hierarchy Process For Selection Of RoadheadersBy O. Acaroglu
Selection of the most suitable roadheaders (boom type tunnelling machines) for the galleries/tunnels to be excavated in certain rock and under known project conditions is important for avoiding proble
Jan 1, 2006
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An Overview Of Soil Mixing In The United States ? IntroductionBy Peter J. Nicholson
Since the reintroduction of soil mixing to the United States over 10 years ago, the work installed by soil mixing technology has grown dramatically. From an annual turnover of less than ten million do
Jan 1, 2001
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Mining–Community Conflicts – Can the Future Mining Sector Transform Social Responsibility?By J Fraser, M Scoble
Within the past decade, incidents of mining–community conflicts have grown dramatically and represent one aspect of a phenomenon known as social risk. Research published in 2014 indicates that a lack
Nov 4, 2015