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Investigating continuous time open pit dynamics - Synopsis
Current mine production planning, scheduling, and allocation of resources are based on mathematical programming models. In practice, the optimized solution cannot be attained without examining all pos
Jan 1, 2008
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Measurement Of Typical Joint Characteristics In South African Gold Mines And The Use Of These Characteristics In The Prediction Of Rock Falls
By H. Gumede
The occurrence of fracturing due to high stress levels is a major factor in hangingwall stability in deep level gold mine stopes. However, rock falls cannot be the result of these fractures alone. Roc
Jan 1, 2007
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Design Considerations For The Damang Open Pit Expansion
By A. Haines, O. Varaud, I. Baidoo
Abosso Goldfields Limited (AGL) is in the process of developing an expansion of their Damang Open Pit gold mine in Ghana. AGL acquired the Damang mine in January 2002, with SRK participating in the ge
Jan 1, 2006
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Potential Metallurgical Treatment Of Copper Concentrates With High Arsenic Contents - Synopsis
By I. Mihajlovic
This paper investigates a potential method for arsenic removal from copper concentrates using hypochlorite leaching. The problems concerning pyrometallurgical processing of copper concentrates with hi
Jan 1, 2011
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Fracturing Around Highly Stressed Excavations In Brittle Rock
By J. Kuijpers
Failure and fracturing are often regarded as synonymous. While this is obviously true in an environment dominated by tensile stresses, it is still not clear how failure and macro fracturing are relate
Jan 1, 2000
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Current South African Coal Pillar Research
By B. J. Madden
Over 206 million tons of hard coal were mined in South African collieries in 1996. Some 132.5 millions tons came from underground operations and approximately 120 million tons came from bord-and-pilla
Jan 1, 1998
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The Role Of The Independent Technical Audit In Raising Finance
By J. R. Cole-Baker
An independent technical audit by a consultant is part of the accountability process of publicly owned or publicly quoted companies when raising finance through share issues or loans or the sale of eq
Jan 1, 1998
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A study of internal overburden dump design and stability analysis for Hazelwood Power Mine, Latrobe Valley, Victoria, Australia
By D. Nag, J. Fernando
Hazelwood Power Mine is one of the largest open pit brown coal mines in Australia. The removal of overburden is the first step in coal winning operation. The primary aim of construction of overburden
Jan 1, 2003
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Improving the quality of tinplated steel using a novel technique to study the effect of industrial process parameters - Synopsis
By G. S. Maré
Tin plating operations are of a complex nature due to the many operational variables that need to be controlled in order to create a product of required quality. The work in this report lays the bas
Jan 1, 2010
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Estimation of Rock Strength From Quantitative Assessment of Rock Texture
By C. A. Ozturk
The compressive strength of rock (sc) has an important effect on design of structures in rock engineering. Compressive strength can be determined in the laboratory using the uniaxial compressive stren
Jan 1, 2014
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Evaluation of Different Adsorbents for Copper Removal From Cobalt Electrolyte
By V. Yahorava
Ion exchange is considered to be an effective technology for the removal of various impurities from cobalt advance electrolytes. With the correct choice of resin, ion exchange can consistently remove
Jan 1, 2014
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Economic Modelling And Optimisation Application In The Mining Industry
By N. Sasto, E. Bondi, G. R. Lane
Cyest Corporation has been involved in economic modelling and optimisation with various mining clients within South Africa, and internationally, for the past 5 years. In the mining industry in par
Jan 1, 2007
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An economic risk evaluation approach for pit slope optimization
By L. F. Contreras
In open pit mine design, it is customary for geotechnical engineers to define the appropriate slope design angles within practical limits. The conventional approach to slope angle design is based on t
Jan 1, 2015
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Support stability mechanism in a coal face with large angles in both strike and dip
By X. Q. Cao, D. S. Zhang, L. Q. Ma
To solve the support stability control problem for a coal face with large angles along both strike and dip (CLSD), the ’support-surrounding rock’ mechanical model has been developed, which takes into
Jan 1, 2015
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Using MIP for strategic life-of-mine planning of the lead/zinc stream at Mount Isa Mines
By M. L. Smith, G. Karunatillake
Lead-zinc production at MIM, Mount Isa includes three mines, a lead concentrator, zinc filter plant and lead refinery. Lead production is vertically integrated with lead-silver bullion shipped from Au
Jan 1, 2003
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Grinding Control Strategy On The Conventional Milling Circuit Of Palabora Mining Company
By B. J. du Plessis
Automation of the conventional grinding circuits of Palabora Mining Company (PMC) required that adequate instrumentation and a control system had to be put in place, after which extensive testing had
Jan 1, 2001
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Size Dependent Gold Deportment In The Products Of Copper Flotation And Methods To Increase Gold Recovery
Plant survey data has shown that gold recovery through a specific copper concentrator was significantly lower than copper recovery. Size-by-size analysis revealed that this was due to poor recovery of
Jan 1, 2003
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Valorization potentials of phosphate tailings at Minjingu mines in Northern Tanzania
By R. L. Machunda, A. M. Rugaika, D. D. Mdachi
Sedimentary and igneous rocks are the two primary sources of phosphate that are mined and beneficiated to fertilizer. During the beneficiation process, phosphate is lost into the tailings. We investig
Aug 8, 2024
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Stability Considerations for Slopes Excavated in Fine Hard Soils/Soft Rocks at Cobre Las Cruces Mine, Sevilla, Spain
By J. M. Galera, M. D. Rodriguez, V. Pozo, S. Cooper
"Cobre Las Cruces mine extracts copper minerals from a VMS deposit located in the well-known Iberian Pyrite Belt (IPB). As an open pit, it is distinguished geologically from other IPB mines by the pre
Jul 1, 2019