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Understanding the Mechanisms That Can Cause Sample Bias
Computational models are very useful for studying many of the physical mechanisms which can cause sample bias. Within such models we can predict the trajectories of all individual particles and thereb
Mar 1, 2010
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Application of Technology for Final Wall Damage Control at Cerro Vanguardia, Argentina
By W R. Adamson
Cerro Vanguardia SA (CVSA), property of AngloGold Ashanti, mines gold and silver from a system of vetiforme orebodies located in the south of the Argentine Patagonia, in the Province of Santa Cruz.Sur
Nov 8, 2011
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Fingerprinting and Signatures - Tracing Mine Impacts in Complex Aquatic Systems
By C Bonini, A Markham, P Whittle, B Pearson
"Mine-derived sedimentation in rivers can have significant impacts on the processes and features of the receiving environment and impact on communities reliant on this environment. However, identifyin
Nov 26, 2013
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Internal Air Temperature Measurements in Tyres-A Major Advance in Earthmover Tyre Pressure Control
Tyre costs constitute 20-40 per cent of the operating cost of large haulage trucks, and tyre pressure maintenance is an important factor in minimizing costs.In the past, control over the hot (built-up
Jan 1, 1979
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Official Opening and Address
Good morning. I am very pleased to be invited to present the Opening Address to this inaugural New Zealand Minerals & Mining Conference. It is indeed a pleasure to see so many representatives of t
Jan 1, 1997
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Particle Size Measurement of TiO2 Nanoparticles in Non-Aqueous Solvent by Interactive Force Apparatus Under an Electric Field
Particle Size Measurement of TiO2 Nanoparticles in Non-Aqueous Solvent by Interactive Force Apparatus Under an Electric Field
Sep 13, 2010
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Processing of Subsea Massive Sulfide Ores by Flotation – Similarity and Features with Terrestrial Ores
By L O. Filippov, I V. Filippova
Subsea massive sulfide deposits have particular mineralogical compositions and textural features differentiating them from onshore ore. When extracted from salty water and exposed to the air, massive
Nov 4, 2015
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Influence of Shot Design Parameters on Fragmetation
By Smith N. S, Rholl S. A, Otterness R. E
The Bureau of Mines is conducting research to develop blast designs for the control of fragmentation and rock displacement and the reduction of overall mining costs. This Bureau experiment, a progra
Jan 1, 1990
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A generalised form of Gy’s equation for gold ores – empirical evidence
By R C. A Minnitt
The two methods for calibrating the parameters K and (alpha) for use in Gy’s equation for the fundamental sampling error (FSE), the duplicate sampling analysis (DSA) and the segregation fractionalised
May 9, 2017
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Important Considerations in the Design of Mechanical Flotation Machines
By L D. Redden, M G. Nelson
Mechanical flotation machine design is typically based on hydrodynamic analysis, with scale-up calculated by geometric proportionality. End users often specify and purchase machines on the basis of re
Jan 1, 2005
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Challenges of bi-modal gangue mineralogy in mining geology
By T J. Callaghan
The Avebury nickel mine in Western Tasmania is a disseminated nickel sulfide deposit hosted in intensely metasomatised Cambrian ultramafic resulting from later Devonian granite related hydrothermal ac
Sep 20, 2017
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Diversion decision making with an integrated approach to design for operations and mine closure
By M Rafty, A Markham, S Atkinson
Australia contains some of the most productive mining areas and is characterised by ancient landscapes and highly variable hydrology. Historical mining of iron ore, coal and other minerals has targete
Jul 25, 2018
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Basicity of Metallurgical Slags
By Yindong Yang
Despite the importance and usefulness of basicity in metallurgical slags, the optimum quantitative expression of it has remained elusive, partly due to the fact that the precise concept of basicity ha
Jan 1, 2001
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Use of Optimal Techniques to Minimize Moisture Retention in Fine Coal Filtration
The importance of reducing the moisture content of fine coal, the nature of the retained water, and the means of its removal are discussed. A statistical technique, using a balanced block design, was
Jan 1, 1970
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Textural Characterisation of Manganese Minerals to Improve the Geometallurgical Characterisation of Ferromanganese and Iron Ores
By S Hapugoda, J R. Manuel, M J. Peterson, A Poliakov, E Donskoi
The occurrence and deportment of manganese in a number of ferromanganese and Mn-bearing iron ore samples from supergene-upgraded deposits, as well as from magnetite banded iron formation (BIF) and mag
Aug 12, 2013
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Analysis and Modelling of the Fragmentation Process – Case Studies at El Teniente Mine
By V Barrera, A Brzovic, M Gaete, L Burgos, E Arancibia
Fragmentation is one of the most relevant parameters in the design and operation of a mine using the caving mining method. Fragmentation affects all subsequent operations, including extraction, commin
May 9, 2016
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Finding More Ore, Further From the Drill Hole, With DHMMR
By R Lewis
Drill hole magnetometric resistivity (DHMMR) is a relatively recent addition to the explorationistsÆ suite of techniques for finding further resources in the vicinity of a drill hole. The method relie
Jan 1, 2000
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Additional Attractive Force Between Alumina Particles Due to Low Solubility of Dicarboxylic Acids
Additional Attractive Force Between Alumina Particles Due to Low Solubility of Dicarboxylic Acids
Sep 13, 2010
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The Estimation of Titanium in Beach Sands
By Parkhurst D. H
It is shown that a differential colorimetric technique can be used as a routine method for the estimation of titanium in beach sands, and their ore dressing products. The method will tolerate the pres
Jan 1, 1957
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Description of the Shear Stree Distribution around and Excavation at WIPP
The estimation of the shear stress distribution around an excavation is important to the design of the excavation since shear stresses can generate cracks, loosen grain boundaries or otherwise degrade
Jan 1, 1998