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Pelletizing Of Sishen Concentrate - Synopsis
By P. Mbele
Iron ore concentrate is not easily transported to, or processed in, ironmaking plants, therefore it is necessary to agglomerate. This paper will determine the possibility of agglomerating Sishen conce
Jan 1, 2012
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Load Transfer Distance Calibration of a Coal Panel Scale Model: a Case Study
By Mark K. Larson
Calibration of LaModel for deep coal mines begins with adjustment of overburden stiffness for load transfer distance. This calibration determines whether mining induced stresses are concentrated in th
Jan 1, 2012
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Mining And Community Development: From Rethoric To Practice
By E. Sirolli
In recent times, with rare exceptions, most economically viable ore discoveries have been large, low-grade and located in remote parts of the world. Mining companies have often shown to be incapable o
Jan 1, 2012
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Optimizing The Number Of Open Pit Mine Push Backs
By M. Rezaee
Push backs used in the production planning of open pit mines play an integral role in generating annual cash flow. Although several algorithms for push back designs have been proposed, none have studi
Jan 1, 2012
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The Dominance of the Competent (132ad218-068a-4432-85e5-c44062e501fc)
By Å. Partapuoli, M. Henriksson, P. Wikström, J. Worth, G. Adolfsson
The control of AG mills fed by ores with harder and softer components can be challenging due to the sensitivity of the mill to the ratio of hard to soft components. The mills at LKAB’s iron ore operat
Jan 1, 2012
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An Innovation Of Practical Underground Stope Design Optimization And Cut-Off Grade Calculation
An incremental analysis based stope design optimization method was developed at Exodus, an underground project located 30 miles north of Carlin, Nevada. Traditional underground stope design methods, b
Jan 1, 2012
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Seismic and Lateral Load Design and Testing Guidelines
By Don Deardorff, Ke Yang, Yingcai Han, Ken Sorensen, Robert Kruger, Mark Petersen, Diane Fiorelli, Larry Goldfarb, Kathryn Petek, Kwabena Ofori-Awuah
Design of deep foundations for lateral loads requires an understanding of soil-foundation-structure response during loading. Lateral loads on a deep foundation (piles) could be due to earthquakes, win
Jan 1, 2012
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Aluminothermic Smelting: A Versatile Process Serving Demanding Markets
By Jr. Robison
"Aluminothermic (""thermite"") smelting became commercial with the development of tonnage aluminum, and prospered producing metals and alloys with higher cleanliness, consistency and elemental control
Jan 1, 2012
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Dissolution of Platinum, Palladium and Rhodium in 250 g/L NaCl Solution
By K. Lillkung, O. Forsen, J. Aromaa
"The dissolution rates of Pt, Pd and Rh in 250 g/L NaCl solution were calculated from the current densities determined by polarization curves and potentiostatic measurements measured with wire electro
Jan 1, 2012
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Massive Pillar Collapse: a Room?and?Pillar Marble Mine Case Study
By Sandin E. Phillipson
The Mine Safety and Health Administration?s Roof Control Division responded to a massive ground failure at an underground marble mine in northern Georgia. The ground failure occurred in a benched area
Jan 1, 2012
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Integrated Short- And Medium-Term Underground Mine Production Scheduling - Synopsis (01060c16-86e0-4e0e-8e87-e1ba1c275054)
The development of short- and medium-term mine production schedules in isolation from each other has meant that only a local optimum can be achieved when each scheduling phase is carried out. The glob
Jan 1, 2012
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Source Path Contibution Analysis Of An Underground Haul Truck Used In Metal/Non-Metal Mines
By J. S. Peterson
Occupational noise-induced hearing loss (NIHL) has been recognized by the National Occupational Research Agenda (NORA) as the most common job-related disease in the United States. Roughly 30 million w
Jan 1, 2012
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Oilwell Cementing: What Is Next?
By A. Mahmoudkhani
Primary cementing is the process of placing cement in the annulus between the casing and the formations exposed to the wellbore. Portland cement was first used in 1903 in the Lopoc Field in California
Jan 1, 2012
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Metal Dusting On Alloys 602CA And 800 - Synopsis
By F. M. L. Mulaudzi
Metal dusting is a corrosion phenomenon that occurs in strongly carburizing gas atmospheres at elevated temperatures. Reaction kinetics and product characterizations of Alloys 602CA and 800 were exami
Jan 1, 2012
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Gold Mineralization In The Coffee Creek Area; White Gold District (Dawson Range), West-Central Yukon ? Introduction
By A. J. Wainwright
The Coffee Creek lode gold discoveries are located in the White Gold district (Dawson Range), west-central Yukon, 130 km south of Dawson City and 30 km south of the Golden Saddle gold deposit (Figure
Jan 1, 2012
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Stability Investigations In Three-Dimensions Around A Tunnel In A Metal Mine In China
By P. H. S. W. Kulatilake
To exploit an underground mine effectively and safely, it is important to have a good understanding of the geotechnical behavior around underground excavations made in the mine. The aim of this study
Jan 1, 2012
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Improving Energy Efficiency in Barrick Grinding Circuits (309a678f-c2fc-4f23-900a-4b50d1de7610)
By Christian Brits, Bob Blain, Lloyd Buckingham, Juliu Stieger, Jean-Francoi Dupont
Barrick Gold Corporation (Barrick) has undertaken innovative methods of evaluating and improving the performance of grinding mills in several of its operations around the world. The results have been
Jan 1, 2012
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Inspection Techniques - Non-Destructive Evaluation – Mill Gear Inspection Using Eddy Current Array (ECA) Combined With Alternating Current Field Measurement (ACFM) Techniques
By Tom Shumka
"All mineral processing facilities that use girth gear driven mills need to inspect the gear teeth on a routine basis, whether it be every six months to every three years. The inspection frequency dep
Jan 1, 2012
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Development And Demonstration Of Oxy-Fuel CFB Technology - Synopsis
By A. Hotta
Reduction of CO2 emissions is the key driving force behind the development and implementation of new solutions for energy production. One solution is circulating fluidized bed (CFB) combustion technol
Jan 1, 2012
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Mechanisms Of Large Seismic Events In Platinum Mines Of The Bushveld Complex (South Africa) ? Synopsis
By D. Malovichko
Seismic events and pillar failures observed in two platinum mines in the Rustenburg area, South Africa, were investigated. We studied the sources of approximately 300 largest seismic events recorded i
Jan 1, 2012