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Cable Shovel Health And Longevity In Formation Excavation
By S. Frimpong
Cable shovels are used for primary excavation in in-situ and/or pre-fragmented formations in surface mining operations. Poorly fragmented hard rock formations and random occurrence of hard boulders i
Jan 1, 2007
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Modification Of Waelz Kiln Processing Of La Oroya Zinc Ferrite
By P. C. Holloway
La Oroya zinc ferrite (19.5% Zn, 26.6% Fe, 0.052% Ga, 0.075% In) was roasted with coal under conditions more oxidizing than normally used in a Waelz kiln, and the roasted residues were leached with 20
Jan 1, 2008
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MINExpo International 2000 and World Mining Congress Will Meet in Las Vegas
The more than 40,000 mining industry professionals that are expected to attend the National Mining Association’s(NMA) MINExpo International2000 trade show and conference will be treated to the exhibit
Jan 1, 2000
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Control Of Surface Movements Above Active Coal Mines In Appalachia
By A. Jarosz
The surface manifestation of underground mining usually entails five distinct types of surface movements, which can affect or damage surface structures, facilities and renewable resources. These m
Jan 1, 1986
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An Investigation On The Stability Of A Deep Open Pit Lignite Mine Using Finite Elements Analysis
By E. Stiakakis
The paper presents a geotechnical simulation of the "Mavropigi" open pit mine (Western Macedonia Lignite Center, Greece), using the finite element method. The simulation was based on the initial plann
Jan 1, 2006
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Six To Be Inducted Into National Mining Hall of Fame
Steven F. Leer, president and chief executive officer of Arch Coal Inc. will be the master of ceremonies for the 12th Annual National Mining Hall of Fame Induction Banquet. The black-tie (optional
Jan 1, 1999
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Construction Of Louisville Water Company?s Riverbank Filtration Tunnel And Pump Station Project
By S. Holtermann
Through the process of Riverbank Filtration (RBF), the Louisville Water Company plans to obtain a higher quality source of water for their B.E. Payne Water Treatment Plant (WTP) by means of four colle
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Unparalleled Miner Training For The 21st Century
By D. H. McCain
Through a unique partnership between the Colorado Mine Safety and Training Program (CMSTP), the Colorado Rock Products Association (CRPA) and the Higher Education and Advanced Technology (HEAT) Center
Jan 1, 2001
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Federal Cooperation To Protect Watersheds Degraded By Coal Mine Drainage From Abandoned Mine Lands
By B. Samoski
In late 1994, EPA and OSM acknowledged that efforts by any one agency or by the many different agencies to remedy the water quality impacts of decades of contamination from abandoned coal mine lands
Jan 1, 2002
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No. 7 subway line project advances with Atlas Copco rigs and tools
By Scott Ellenbecker
Soon New York City will have a new train station. A tunnel project is under construction to extend Line 7 to a new station that is located near the Jacob K. Javits Con-vention Center. This is also par
Jan 3, 2010
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Felsic Volcanics And Tungsten In Neoarchaean Hutti Schist Belt, India.
By P. Sangurmath, C. Gundewar, M. Riyazulla, V. Vasudev, N. Shadaksharswami
Dharwar craton in the southern Indian shield, comprises the Neoarchaean foreland in the west and a relatively younger accretionary complex composed of granitoids and intervening gold-bearing volcano-s
Jan 1, 2007
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Diesel Emissions Control Strategies For The Use Of Diesel Engines In Underground Coal Mines – Preprint 97-144
By N. Paas
Diesel powered equipment has been operated in underground coal fir mare than 50 years. According to the Mine Safety and Health Administration (MSHA), there are approximately 3,000 diesel units operati
Feb 24, 1997
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Improved Selectivity Of Super-Conducting Dry HGMS Of Fine Powders By Vibration
By Y. Wang, E. Forssberg, A. Johansson, B. Chan
A super-conducting high gradient magnetic separator with matrix vibration in dry separation mode is a powder purification device, which has been used to remove weakly magnetic impure particles from fi
Jan 1, 2001
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Statistical Evaluation Of The Effect Of Conditioning Time And Slurry Concentration On The Flotation Performance Of Siliceous Phosphate
By S. Al-Thyabat
Conditioning of flotation feed is an important prerequisite for efficient flotation. This process depends on parameters such as conditioning time, slurry concentration and slurry pH. The objective of
Jan 1, 2008
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Financing of mining projects - Can banks drive sustainability?
By M. Götze, P. Eysel
Over the last years, the importance of the assessment of environmental and social aspects as well as of issues of good governance has increased significantly in mining finance. For this, international
Jan 1, 2011
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Optimal Blast Design using a Discrete-Event Simulation Model in a Hard-Rock Mine
By Y. J. Son, S. S. Nageshwaraniyer, K. M. Kim
"This paper reports on the development of a simulation-based framework for obtaining optimal blast design parameters for a hard-rock mine. To do this, a conventional medium-sized hard-rock mine was ta
Jan 1, 2015
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Remediation Of Large-Scale Slope Failures And Impact On Mine Development At The Gold Quarry Mine
By R. J. Sheets
In 2009, the Gold Quarry openpit mine experienced multiple large-scale slope failures of the upper east highwall that reduced gold ore extraction for nearly 18 months. The slope failures occurred with
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A Review of Nickel, Copper, and Cobalt Recovery by Chelating Ion Exchange Resins from Mining Processes and Mining Tailings Mining, Metallurgy and Exploration )
By Botelho Junior, Amilton Barbosa, Denise C. R. Espinosa, David B. Dreisinger
Copper and cobalt can be found on nickel laterite ores, and cobalt can be found also on copper ores, and many contaminants such as iron, aluminum, and magnesium are associated with these ores. In hydr
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A Tunnel Boring Machine at the South Pole
By Michael R. Walsh, John H. Wright, Eivind B. Jensen
A tunnel boring machine (TBM) was designed and built at the Cold Regions Research and Engineering Laboratory in 1992 for use in Antarctica. The TBM system was tested at the South Pole where a 120-m lo
Jan 1, 2001
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Exploring a shallow seafloor hydrothermal system on the Arctic Mid-Ocean Ridge
By R. B. Pedersen, A. Filipa, A. Marques
"Shallow-depth (<200m) high temperature submarine hydrothermal systems are not commonly observed on mid-ocean ridge settings, as most known systems are located within arc - island-arc volcanic setting
Sep 1, 2014