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Image-Based 3D Reconstructions for Stockpile Volume MeasurementBy G. A. Christie
This paper presents a vision system capable of providing an accurate estimate for the volume of stockpiles using 2D images. By imaging a stockpile from multiple viewpoints with a two-camera system, a
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The Use of Novel Approaches to Separate Heavy Minerals from AlbertaÆs Oil SandsBy J Coward, S Bulatovic
There are currently two operators producing oil from the surface-mineable portions of AlbertaÆs oil sands (Syncrude Canada Ltd and Suncor Inc) and two other companies are proposing to enter the indust
Jan 1, 2001
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Flotation of Tennantite from Pyrite Copper-Bearing OresBy V. V. Zakopaylo, M. V. Lukyantseva, V. A. Ignatkina, V. A. Bocharov, L. C. Khachatryan, D. M. Altynamanov, A. A. Kayumov, R. H. Sharipov
"This research was aimed to explain the reasons of low floatability of tennantite from refractory pyrite ores of non-ferrous metals and to create a reagent regime for selective increasing a recovery o
Jan 1, 2018
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Geological Conditions and Influences on Ground Control at San Juan MineBy D. Burkhard, E. Herth
"Geologic structure and properties are the primary influences on ground control at San Juan Mine. Geotechnical properties of the coal seam and near seam strata, the presence of above seam sandstone pa
Jan 1, 2016
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Implementation Of Process Setup Calculations And Automation Controls In Finite Element Analysis Of Hot Steel Strip Rolling*By Jari Larkiola, Aarne Pohjonen, Juha Jokisaari, Oskari Seppälä, Joonas Ilmola
Finite element method (FEM) is widely used to model the hot strip rolling process. Flatness defects e.g. front-end bending in multipass hot strip rolling is studied by authors using a finite element (
Oct 1, 2019
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Evaluation of Roof Bolter Canopy Air Curtain Effects on Airflow and Dust Dispersion in an Entry Using Blowing Curtain Ventilation Mining, Metallurgy and Exploration (fbebd4c9-e3f3-48b5-bb14-baf48bbb456f)By M. R. Shahan, W. R. Reed, J. P. Rider
Roof bolter operators may be exposed to high respirable dust concentrations on continuous miner sections with blowing face ventilation when bolting is performed downwind of the continuous miner. One s
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Optimizing Refractory Gold Ore TechnologyMany of the deeper ore reserves in current gold operations as well as new gold deposits consist of refractory ore types. As process development for these mineralizations remains time-consuming and cos
Jan 1, 1993
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Reflections on the Application of Geophysics to Ground ControlBy Peter Hatherly
As a discipline, geophysics covers an enormous range of scales and applications - from planetary geophysics through to the monitoring of acoustic emissions of rock samples. Although it is not a core d
Jan 1, 2006
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The Influence of Feed Size on Autogenous and Semiautogenous Grinding and the Role of Blasting in its ManipulationThe introduction and subsequent ascendancy of autogenous and semi-autogenous milling for comminution circuits has undoubtedly lead to many economic advantages. From a process viewpoint, however, at le
Jan 1, 2003
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Laboratory Studies on the Flow of Nickel ... Water Suspensions*By H S. Ellis
Flow studies have been conducted on nickel-water suspensions in a 1in.-diam., 42-ft.-long transparent lab-oratory pipeline at concentrations of up to 25 per cent, by volume, and slurry velocities of u
Jan 1, 1963
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A Survey of Applications of Multi-Criteria Decision Analysis Methods in Mine Planning and Related Case StudiesBy C. Musingwini, A. S. Nhleko, M. J. Mahase
"In an environment like the mining industry, which is characterized by different stakeholders with multiple objectives, multi-criteria decision analysis (MCDA) is a useful approach for optimal decisio
Jan 1, 2016
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Trends In The Regulation Of Mineral Deposit ValuationBy T. R. Ellis
Regulation of mineral property valuation methodology by governments and others is due to frauds, condemnation and takings, banking industry problems, and litigation. Definitions of "reserves," "resour
Jan 1, 1999
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Development and reconciliation of a mine operation value chain flowsheet in IES to enable grade engineering and process mass simulations for scale-upBy T. BACHMANN, G. SHAPLAND, E. Amini, N. BEATON, M. BECERRA
Process plant modeling in the computer environment has been developed over the past 40 years by implementing the comminution models formed by the Julius Kruttschnitt Mineral Research Centre, Universit
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Field Tests Of Cable Bolts Using Instrumented King WiresBy R. Pakalnis, Richard P. Curtin, Lewis A. Martin
Instrumented cable bolts developed at the Spokane Research Laboratory of the National Institute for Occupational Safety and Health were used in conjunction with existing ground control to monitor rock
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A Three-Dimensional Structural Interpretation of the Olympic Dam Deposit ù Implications for Mine Planning and ExplorationBy J, T C. McCuaig, J Hodgkison, T Fouet
Olympic Dam is the eighth largest Cu deposit and the largest U deposit in the world, with approximately 35 million tonnes of contained Cu and 1.2 million tonnes of U. The most recent resource estimate
Jan 1, 2004
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Case Studies Of Cable Bolts Using Instrumented King WiresBy R. Pakalnis, Richard P. Curtin, Lewis A. Martin
Instrumented cable bolts developed at the Spokane Research Laboratory of the National Institute for Occupational Safety and Health were used in conjunction with existing ground control to monitor rock
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Session 21 "Grouting in Karst"By Jim Henry
I would say mainly the cost. I showed only 3 cases. One of them was the one that Allen just described and there were two other cases. In those cases it was fairly easy to develop a solution using limi
Feb 10, 2003
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Sar Interferometry for Surface and Infrastructure Movement Monitoring in Mining EnvironmentsBy C. Gosselin, M. Rheault, M. Benoit, Y. Bouroubi, V. Sarago
The last three decades have seen significant mining development in northern regions of Canada, where the freeze and thaw cycle of permafrost and the corresponding surface subsidence and heave represen
Jan 1, 2015
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Behavior of Welded Wire Mesh Used for Skin Control in Underground Coal MinesBy Murali M. Gadde
Welded wire mesh is the most commonly used skin control technique in the United States underground coal mines. Currently, selection of the mesh is based on trial and error rather than any rigorous des
Jan 1, 2006
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Digitalization in Reverse Circulation Drill RigsBy N. Schmitz
This paper explains how new digital solutions improve reverse circulation drilling operations. Upgrading field-proven reverse circulation drilling (RCD) rigs with new digital technologies enables sem
Sep 8, 2021