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Recovery of Valuable Metals from High-Content Arsenic Containing Copper Smelting DustBy Dachun Liu, Xuepeng Li
Smelting-acid leaching process is a way to treat high-content arsenic containing copper dust. However, smelting makes a low recovery of valuable metals and acid-leaching produces large amounts of arse
Mar 1, 2017
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Improvements in Sag Mill Throughput from Finer Feed Size at the Newmont Ahafo OperationBy Adrian Dance
Newmont Ghana Gold Limited?s Ahafo operation have been working with Metso Process Technology & Innovation (PTI) since early 2009 to increase mill throughput from a combination of controlled blasting p
Jan 1, 2012
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Determination Of Room And Pillar Dimensions For The Oil-Shale Mine At Rifle, ColoradoBy Fred D. Wright, Philip B. Bucky
FOREWORD By E. D. Gardner[$] THE present known petroleum reserves are limited, and unless important new fields are discovered the Nation will be dependent, in the not too distant future, upon im
Jan 1, 1947
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New method allows for anchorage checkfor rock boltsBy Gene Mattila, Ron Boyd
Introduction Rock bolting is a general term that encompasses pinning, roof bolting, rib bolting, and cable bolting. Rock bolting contributes the highest nonproductive cost and is the most significant
Jan 4, 1985
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Modular Ballistic Pendulum for Measurement of Impulse from Tamped ExplosivesBy Roland Alford
The ballistic pendulum is a well-established piece of test equipment originally developed for estimating the velocity of bullets and projectiles. When trying to understand the effects of different tam
Feb 6, 2023
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Field Measurement of Transient Pore Pressures within Co-disposed Processing Rejects Placed in a Spoil DumpBy R Van Laeren, G Langerak, S Fityus, K Koosmen
Co-disposal of partly-dewatered mixed-plant rejects (MPR) from coal processing into spoil dumps is gaining favour amongst Australian coalmine operators in preference to conventional tailings disposal
Jul 27, 2015
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A Message to Young EngineersBy D. C. Jackling
I BESPEAK your indulgence for a brief expression of the views of a patriarch in the field of mineral industry technology relative to young men's problems in that sphere of education and endeavor.
Jan 1, 1940
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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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Lithogeochemistry of the Gilman and Blondeau Formations in the Chibougamau RegionBy P. Trudel, M. A. . Cloutier
This lithogeochemical study demonstrates that the Gilman and Blondeau Formations in the Chibougamau area belong to a subalkaline suite of tholeiitic affinity poor in potassium. The Gilman Formation is
Jan 1, 1984
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RI 8909 - Field Measurement of Rock Displacement and Support Pressure at 5,955-Ft Level During Sinking of Deep Circular Shaft in Northern IdahoBy M. J. Beus
The Bureau of Mines, under a cooperative agreement with Hecla Mining Co., is conducting a rock mechanics study of the 6,200-ft-deep circu-lar, concrete-lined Silver Shaft in northern Idaho. The object
Jan 1, 1984
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The Agemera - Agile Exploration And Geo-modelling For European Critical Raw Materials Project: An Initiation To Secure The Supply Chain - SME Annual Meeting 2023By E. -R. Niinikoski, M. A. Islam, H. Mischo, G. Barakos, J. Joutsenvaara, G. Meissner
European Union's transition to a low-carbon and digital economy highly depends on securing the strategic autonomy of the Critical Raw Materials (CRMs) supply chain. This paper introduces a European Co
Feb 1, 2023
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Fundamental Aspects Of The Flow Characteristics Of Liquefied Mine Tailings DamsBy Jey K. Jeyapalan
A characteristic common to most tailings dam failures caused by earthquakes or excessive rain storm is that the tailings tend to liquefy and flow for substantial distances as a viscous fluid, with the
Jan 1, 1982
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RI 3151 Use Of Micropyrometer For High-Temperature Melting-Point Investigations (5154fa11-9a46-44db-af71-95b4d00428da)By G. R. Fitterer
In the manufacture of steel by any process the refining period involves the partial elimination of the metalloids carbon, manganese, phosphorus, and silicon, by virtue of their reactions with ferrous
Jan 1, 1932
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Charge Geometry Effects on Pressure Waveforms in a Shock TubeBy Joshua Hoffman, Braden Lusk, Kyle Perry
Shock tubes are used to simulate large-scale arena explosions without the use of full-scale arena sites that utilize large quantities of explosives. Instead, small explosive charges can be used to dri
Jan 1, 2010
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Institute of Metals Division - Growth of Graphite in Cast IronBy H. W. Mead, C. E. Birchenall
The rates of growth of graphite nodules in cast irons are calculated for a model of a growing graphite sphere surrounded by a shell of austenite through which carbon and iron are diffusing. The carbon
Jan 1, 1957
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A Three-Stage Assessment Process To Predict Risk Levels Due To Subsurface ConstructionBy Julie Clarke
In 1939 Dr. Ralph Peck criticized the Civil Engineering community for taking a bifurcated approach to the prediction of building damage due to subsurface geo-technical works. Specifically, he observe
Jan 1, 2009
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Theory of Metallic Crystal AggregatesBy Charles Maier
IT has long been supposed that when crystalline materials are com-minuted the energy used in the production of increasingly smaller grain sizes is not entirely dissipated as heat but that a certain po
Jan 1, 1936
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Crushing, Grinding, and Agitation of Tonopah OresBy H. A. BURK
THE ores of the Tonopah, district are hard, compact and' highly siliceous. They contain from .1 to 2, per cent. of sulfide material, of which argentite is the valuable mineral; occasionally pyrar
Jan 1, 1921
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OFR-53-84 Application Of Tailings Flow Analyses To Field ConditionsBy Samuel M. Bryant
The purpose of this study was to develop procedures to measure Bingham flow properties for mine tailings and to use these to predict the possible consequences of a hypothetical tailings flow failure a
Jan 1, 1983
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Occupational health and safety management toolBy T. Güyagüler, A. Güngör
Labour protection, that is prevention of occupational disease and reduction in the frequency of accident, has always been a matter of major concern of mining industry. Management and the government sh
Jan 1, 2003