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Development Of A High Blow Energy Hydraulic Impactor
By Wm. Ross Wayment, Innes P. Grantmyre
INTRODUCTION It has been recognized for some time that major changes in mining methods will be required in the near future. Two types of factors contribute to this need for change. Intrinsic factor
Jan 1, 1976
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Model For The Fragmentation Of Copper Matte Particles During Flash Converting
By M. Pérez-Tello
A mathematical model to represent the expansion and fragmentation of copper matte particles oxidized under flash converting conditions is presented. The model assumes that the particles are initially
Jan 1, 2008
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Study on the effects of scrubber operation on the face ventilation
For the past four years, the Department of Mining Engineering at the University of Kentucky has conducted a validation study of the CFD Fluent code, by comparing its results against mining-related ben
Jan 1, 2009
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Ground Control of Strip Backfilling Water Conservation Mining in Shallow Coal Seams
According to the classification of water conservation mining in shallow coal seams in China, when the ratio of the impermeable layer thickness to the mining height is less than 18, the mining belongs
Jan 7, 2020
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Miners Remain Upbeat at NWMA Meeting
By Steve Kral
As the current boom in the global mining industry rumbles on, mining companies have had to step up their efforts to replace mined reserves. Many of the majors are replacing and adding to their reserv
Jan 1, 2006
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Geology of the Brewer Gold Mine in South Carolina
By W. Scheetz
The Brewer Gold Mine is an open-pit, heap leach operation that processes about 122 kt/m (135,000 stpm). The mine is operated by Brewer Gold Inc., a subsidiary of Westmont Mining Inc., and is located n
Jan 1, 1991
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Excess Spoil Minimization And Fill Stability
By M. Superfesky, P. Michael
Introduction The US Office of Surface Mining (OSM) is proposing changes to the Code of Federal Regulations in the interest of minimizing the adverse effects of excess-spoil-fill construction on the
Jan 1, 2007
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Is Bigger Better? Colorado MPD Examines Age-Old Question
Never known as a conference to shy away from its share of off-color jokes, the Colorado Mineral Processing Division?s Annual Meeting returned to the Broadmoor Hotel in Colorado Springs, CO April 26-28
Jan 1, 2012
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Sustainable Deepsea Mining - Overview on recent activities in Germany
By Leonard Weixler, Peter Halbach, Michael Jarowinsky, Johannes Post
Germany as an industrial nation is highly dependent on the import of mineral or metal resources. Sources which have not been considered until now are the marine mineral resources (MMR), which in recen
Sep 1, 2014
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Strata mechanics of pillar mining at the Crandall Canyon Mine
By W. G. Pariseau
"The Crandall Canyon Mine (CCM) is located in the Wasatch coal field in central Utah. Extensive longwall mining at CCM preceded a decision to recover coal left in barrier pillars on each side of a set
Jan 1, 2014
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The Geopolymerization Of Alkali-Feldspars
Geopolymerization is a process by which Al-Si minerals undergo dissolution and polymerization in an alkaline solution to form a monolithic material with a high mechanical strength (Davidovits, 1991; 1
Jan 1, 2002
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Managing Impacts of Deep-Sea Resource Exploitation - The Midas Project
By Philip Weaver
The MIDAS project is funded by the European Commission (DG Research) and began on the 1st November 2013. The project will investigate the environmental impact of deep-sea mineral and energy extraction
Sep 1, 2014
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Technology News - Air-Supported Conveyor Lowers Cost, Runs More Safely
Several years ago, Hudco Industrial Products began experimenting with the idea of levitating a conveyor belt with a film of air, much like the puck on an air-hockey table. While conducting its resear
Jan 1, 2002
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Manhattan Mine: Linking Reclamation and Sustainable Development
By Mark Ioli, Debra Struhsacker
In September 2004, Gale Norton, U.S. Secretary of the Interior, presented the Manhattan Mine with a U.S. Bureau of Land Management’s 2004 Hardrock Mineral Environmental Award. The Manhattan Mine is a
Jan 1, 2005
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Transbay Transit Center - Keeping DTX on Track
By Derek J. Penrice
A critical element of the Transbay Transit Center Program, the Caltrain Downtown Extension (DTX) will extend commuter rail service into downtown San Francisco and accommodate future statewide high-spe
Jan 1, 2008
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Methods For Determining Roof Fall Risk In Underground Mines (e9e99c27-c4ac-4dc4-b19d-607c245139c5)
By T. Bajpayee, L. Prosser, A. Iannacchione
Reducing the number of roof fall injuries is a goal of the NIOSH mine safety research program. Central to this effort is the development of assessment techniques that will help to identify the nature
Jan 1, 2007
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How To Obtain Continuous Flotation Test Data With Drill Core Sample: A Mini Pilot Plant
By V. L. Andrade, K. L. C. Goncalves, N. A. Santos
This paper describes results obtained in a test program performed with new equipment, called Mini Pilot Plant, manufactured by Canadian Process Technologies. This equipment was acquired by CVRD aiming
Jan 1, 2002
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Passive-Treatment of Acid Rock Drainage: What is the Potential Bottom Line?
By James J. Gusek
Passive-treatment systems that mitigate acid-rock drainage (ARD) from coal mines have operating since the mid-1980s. Large systems at metal mines are being contemplated. A 95L/sec (1500-gpm) capacity
Jan 1, 1995
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Overcoming Challenges in the Construction of the Dublin Port Tunnel
By Tim Brick, Peter Jewell, Stephen Thompson, Simon Morgan
The $980m (€750m) Dublin Port Tunnel, Europe’s biggest urban highway tunnel project, was opened in December 2006. The culmination of this immense scheme is set to transform the environment, mobility a
Jan 1, 2007
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Characterization Of The Berkeley Pitlake I: Surface Waters
By M. Bennett, L. Twidwell
Montana Tech has embarked on a coordinated series of studies to delineate the characteristics of the Berkeley Pitlake containing over 36 billion gallons of acidic, metal-contaminated water formed afte
Jan 1, 2007