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Glenbrook Nickel – Can New Caledonian Ore Save the Only US Nickel Producer?
By Kerry Spickelmier
The only nickel smelter and the only active nickel mine in the United States is Glenbrook Nickel Co., a joint venture (50% each) of Cominco Resources International Ltd. and Cominco Ltd. In 1989, with
Jan 1, 1993
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Planning and Preliminary Design of the North-South Bypass Tunnel, Brisbane, Australia
By Tony Peglas, Harry Asche, Eva Wood
The North-South Bypass Tunnel is a new $AUD1.5 billion underground traffic route in Queensland, Australia, a project of the Brisbane City Council. The tunnel is approximately 5.2 km long, bypassing th
Jan 1, 2005
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Keys To Selecting An Expert Electric Motor Shop
By Fredrick Fränding
In mining and quarrying operations, electric motors can fail for a variety of reasons. Some failures are directly linked to demanding production requirements and contaminant-laden environments and, co
Jan 1, 2009
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Analysis Of Airborne And Waterborne Particles Around A Taconite Ore Processing Facility
By Charles W. Axten
Since the mid-1970s, samples of airborne and waterborne fibrous particulates have been collected in the area of the Northshore Taconite Ore Processing Facility by the Minnesota Department of Health (M
Jan 1, 2007
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Phelps Dodge, Caterpillar Use Technology to Lower Costs
By Steve Kral
For the past several years, copper producers have faced a tough business climate. Nagging low prices forced many them to reduce their production and make other drastic cutbacks just to breakeven. An
Jan 1, 2004
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Construction of Deep Shafts and Ground Improvement for the West Side CSO Tunnel Project, Portland, Oregon
By Yves St-Amour, Vince Luongo
This paper will discuss one of the largest construction projects the City of Portland has undertaken. This phase of the Willamette River Combined Sewer Overflow (CSO)project consists of approximately
Jan 1, 2005
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Calibration of LKAB’s Konsuln Test Mine Ventilation Model Using Barometer Pressure-Quantity (PQ) Survey
By A. Halim, A. Martikainen, S. GYAMFI
This paper outlines a unique case of the development of strategies to reduce ventilation and heating costs in Konsuln iron ore mine in northern Sweden. The mine, located just south of Luossavaara-Kiir
Sep 30, 2021
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Pushing The Limits Of Gravity Separation
By Claude Deveau, Stephen R. Young
Introduction Tanco History Tanco is sometimes known as the Bernic Lake Mine. It is located about 180 km east-northeast of Winnipeg close to the Manitoba-Ontario boundary. Tanco operates an undergr
Jan 1, 2005
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Managing Plant Productivity With A Web Server Technology
By S. Culp, P. Metcalfe
Web technologies and the Internet have revolutionized the computer industry. The Web browser technologies have also moved to portable devices such as Personal Digital Assistants (PDAs) and mobile phon
Jan 1, 2002
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Monitoring Subsidence In The West: Problems And Analysis
By John E. Rourke, O&apos
This paper describes some of the results of a project for the design and demonstration of subsidence monitoring systems for underground coal mines. The project was designed to test monitoring systems
Jan 1, 1982
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Industrial Minerals In Mexico
By Guillermo P. Selas
Perhaps this is the first time that an analysis of the industrial minerals panorama has been made in Mexico for that type of commodities. Because the non-metallic minerals lack the glamour of the meta
Jan 1, 1974
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Decline Development At The Lakeshore Property
By Robert S. Hendricks
LOCATION AND HISTORY The Lakeshore Copper property is located on the Papago Indian Reservation approximately 30 miles South of Casa Grande, Arizona. This major porphyry type deposit was discovered
Jan 1, 1997
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Update On Development Of Mini-Disc Drill Bits
By J. E. Friant
The Mini-DiscTM cutter drill bit is a radical design departure from the traditional tri-cone rockdrill bit. Miniature disc type cutting tools as small as 3.25 inches (82.5 mm) diameter are fitted to
Jan 1, 1999
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Evaluating Ground Conditions Ahead of a TBM Using Probe Drill Data
By Steven K. Duke, Jay Arabshahi
An economic, real-time probe drill monitoring system was developed for Metropolitan Water District’s Arrowhead Tunnels project to quantitatively evaluate ground conditions ahead of a TBM. This system
Jan 1, 2007
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Dysfunction Junction: When Inalterable Rules Meet Evolving Technology
By Mark N. Savit
It is indeed a rarity for a non-engineer, let alone a lawyer, to even be considered for a mining-related award, especially where that award is for significant contributions to technical progress in th
Jan 1, 2008
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Wind power as an alternative post-mining land use in surface coal mines in West Virginia, U.S.
By A. Duerksen
"Surface coal mining in West Virginia has supplied energy to the eastern coast of the United States for over a century. Over the years, the coal mining industry has been forced to adapt as societal de
Jan 1, 2011
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Numerical Simulation Studies on Effects of Explosion Impact Load on Underground Mine Seal Mining, Metallurgy and Exploration (5cd6bb51-d24c-4ceb-bdd2-327b1ac6637a)
By Congling Shi, Marek Borowski, Yue Wang, Jianwei Cheng, Xixi Zhang, Xuan Xu
As the first barrier to prevent accidents caused by explosions in underground coal mines, the integrity and stability of mine seals have great effects on mine workers’ lives and underground production
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Numerical Simulation Studies on Effects of Explosion Impact Load on Underground Mine Seal Mining, Metallurgy and Exploration
By Congling Shi, Marek Borowski, Yue Wang, Jianwei Cheng, Xixi Zhang, Xuan Xu
As the first barrier to prevent accidents caused by explosions in underground coal mines, the integrity and stability of mine seals have great effects on mine workers’ lives and underground production
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Shiloh Church Molybdenum Deposit Polk County, Georgia ? Introduction
By Donald W. Foss
The Shiloh Church deposit is a very significant molybdenum occurrence in an ususual, perhaps unique, geologic environment. Work done to date indicate that several million tons of "ore" may be present,
Jan 1, 1983
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Gold mineralization in porphyry copper deposits discussed
By David J. Lowell
The gold content of porphyry copper deposits ranges from less than 0.05 g/t to more than I g/t ((0.0017 to 0.035 oz per st) and the average is about 0.05 g/t (0.0017 oz per st) gold. Perhaps the highe
Jan 1, 1989