Orebody Modelling And Strategic Mine Planning
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Orebody Modelling And Strategic Mine Planning
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Author : Roussos Dimitrakopoulos
language : en
Publisher:
Release Date : 2007
Orebody Modelling And Strategic Mine Planning written by Roussos Dimitrakopoulos and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Metallurgy categories.
Orebody Modelling And Strategic Mine Planning Recurso Electrn Ico
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Author : R. Dimitrakopoulos
language : en
Publisher:
Release Date : 2009
Orebody Modelling And Strategic Mine Planning Recurso Electrn Ico written by R. Dimitrakopoulos and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Orebody Modelling And Strategic Mine Planning Smp 2014
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Author : Roussos Dimitrakopoulos
language : en
Publisher:
Release Date : 2014-11-24
Orebody Modelling And Strategic Mine Planning Smp 2014 written by Roussos Dimitrakopoulos and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-24 with Metallurgy categories.
Advances In Orebody Modelling And Strategic Mine Planning 1
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Author : Roussos Dimitrakopoulos
language : en
Publisher:
Release Date : 2010
Advances In Orebody Modelling And Strategic Mine Planning 1 written by Roussos Dimitrakopoulos and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Mines and mineral resources categories.
This volume comprises 43 papers under the following topics: Modelling and Planning in the New World; Modelling Orebodies and Applications; Mining Optimisation and Case Studies; Large-Scale Integrated Applications; Uncertainty Models and Recoverable Reserves; Optimisation is Moving Underground and The New World and Strategic Innovation."--pub. desc.
Advances In Applied Strategic Mine Planning
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Author : Roussos Dimitrakopoulos
language : en
Publisher: Springer
Release Date : 2018-01-17
Advances In Applied Strategic Mine Planning written by Roussos Dimitrakopoulos and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-17 with Science categories.
This book presents a collection of papers on topics in the field of strategic mine planning, including orebody modeling, mine-planning optimization and the optimization of mining complexes. Elaborating on the state of the art in the field, it describes the latest technologies and related research as well as the applications of a range of related technologies in diverse industrial contexts.
Orebody Modelling And Strategic Mine Planning
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Author : Roussos Dimitrakopoulos
language : en
Publisher:
Release Date : 2009
Orebody Modelling And Strategic Mine Planning written by Roussos Dimitrakopoulos and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Metallurgy categories.
Ore Reserve Estimation And Strategic Mine Planning
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Author : Roussos Dimitrakopoulos
language : en
Publisher: Springer
Release Date : 2015-11-15
Ore Reserve Estimation And Strategic Mine Planning written by Roussos Dimitrakopoulos and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-11-15 with Science categories.
The mining business faces continual risks in producing metals and raw materials under fluctuating market demand. At the same time, the greatest uncertainty driving the risk and profitability of mining investments is the geological variability of mineral deposits. This supply uncertainty affects the prediction of economic value from the initial valuation of a mining project through mine planning, design and production scheduling. This book is the first of its kind, presenting state-of-the-art stochastic simulation and optimization techniques and step-by-step case studies. Quantification of geological uncertainty through new efficient conditional simulation techniques for large deposits, integration of uncertainty to stochastic optimization formulations for design and production scheduling and the concurrent management of risk are shown to create flexibility, options and oportunities, increase asset value, cashflows and return on investment. New approaches introduced include resource/reserve risk quantification, cost-effective drilling programs, pit design and long-term production scheduling optimization with simulated orebodies, ore reserve classification, geologic risk discounting, waste managing and demand driven scheduling, risk assessment in meeting project production schedules ahead of mining, risk based optimal stope design, options valuation when mining. Applications include commodities such as gold, copper, nickel, iron ore, coal and diamonds.
Orebody Modelling And Strategic Mine Planning
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Author : Roussos Dimitrakopoulos
language : en
Publisher:
Release Date : 2005
Orebody Modelling And Strategic Mine Planning written by Roussos Dimitrakopoulos and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Mines and mineral resources categories.
Stochastic Orebody Modelling And Stochastic Long Term Production Sheduling For An Iron Ore Deposit In Northern Quebec
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Author : Maria Vallejo Garcia
language : en
Publisher:
Release Date : 2017
Stochastic Orebody Modelling And Stochastic Long Term Production Sheduling For An Iron Ore Deposit In Northern Quebec written by Maria Vallejo Garcia and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
"The process of mine planning, from prospection of orebody deposits defining its extension, location and value, until obtaining minerals and their extraction sequence in time, requires mathematical optimization to determine the size and grade (grades) of the deposit and finally define a proper mine schedule to obtain the maximum earnings from it, at the lowest possible cost, in order to fulfill the business targets. In general, a mining project passes through a set of stages in order to evaluate its viability. One of these stages is the "feasibility stage" where the gathered information from mining studies is used to determine the economics and practical aspects of the ore deposit. This identifies, early on, whether further investment in estimation and engineering studies are required, and identifies areas for further work and development. The KéMag iron ore deposit owned by New Millennium Limited in northern Quebec, Canada, is in feasibility stage. The KéMag iron ore deposit is a taconite type, where the iron content is present as finely dispersed magnetite between 20 and 35 % iron (Fe) in a sedimentary rock interlayered with quartz, chert, and carbonate. This thesis focuses on a set of methodologies to develop a whole process of stochastic orebody modelling and stochastic strategic mine planning for the KéMag deposit, aiming to generate a modelling and optimization methodology that integrates geological uncertainty and manages risk in the mine schedule. This mathematical framework has been successfully implemented in the last two decades allowing modelling and integration of geological uncertainty to mine design, production scheduling and valuation of mining projects. From the application, several cases have shown an increment on the value of the production schedules up to 25%, and a reduction of deviation from production targets from 9% to 0.2%. For the KéMag deposit a set of fifteen realizations of nine lithological units (layers) were simulated using WAVESIM which is a multiple point simulation method combined to an image compression procedure to allow faster simulations. The orebody simulations obtained through WAVESIM serve as geological boundaries to integrate the variability of the four grades of interest using DBMAFSIM this method allows the simulation of correlated variables directly at block support using min/max autocorrelation factors MAF. The final result is a series of equally probable representations of the deposit that incorporate both grade and tonnage uncertainty. These simulations of the KéMag deposit were validated in terms of histograms, variograms (low order statistics) and high-order statistics through 3rd order cumulants maps for the boundary limits only. Geological uncertainty can then, be managed by directly incorporating stochastic simulations within the mine scheduling framework. To achieve this, one flexible method for long-term production scheduling based on Stochastic Integer Programming (SIP) was applied with an acceleration methodology based on a heuristic algorithm called Topological Sort Algorithm (TSA) to reduce the computational time required to solve the problem of production scheduling. The result of the stochastic mine planning framework is a single schedule robust enough to account for geological uncertainty of the KéMag deposit giving valuable information for the conceptual stage of the project, in terms of silica content, iron production and expected cash flows per year." --
Computer Graphics Applied To Orebody Modelling And To Mine Planning
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Author : David William Galloway
language : en
Publisher:
Release Date : 1986
Computer Graphics Applied To Orebody Modelling And To Mine Planning written by David William Galloway and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
