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The International Mining Forum is a recurring event, hosted by the University of Science and Technology in Cracow, Poland, bringing together an international group of scientists, including those working in rock mechanics and computer engineering as well as mining engineers. The topics are wide-ranging, including papers on remote sensing to assess primary impact; treatment of sealed-off coal mine fires; sustainable development in mine closure; and monitoring of natural hazards and safety issues.
The International Mining Forum is a recurring event, hosted by the University of Science and Technology in Cracow, Poland, bringing together an international group of scientists, including those working in rock mechanics and computer engineering as well as mining engineers. The topics are wide-ranging, including papers on remote sensing to assess primary impact; treatment of sealed-off coal mine fires; sustainable development in mine closure; and monitoring of natural hazards and safety issues.
Designed to complement traditional engineering texts, this book emphasizes the concepts of mineral project evaluation rather than computational details. It describes various economic evaluation techniques typically employed (including conventional cost analysis, discounted cash flow, and option analysis), their uses, and their relationships with geological, technological, and financial evaluations.
This comprehensive textbook covers all major topics related to the utilization of mineral resources for human activities. It begins with general concepts like definitions of mineral resources, mineral resources and humans, recycling mineral resources, distribution of minerals resources across Earth, and international standards in mining, among others. Then it turns to a classification of mineral resources, covering the main types from a geological standpoint. The exploration of mineral resources is also treated, including geophysical methods of exploration, borehole geophysical logging, geochemical methods, drilling methods, and mineral deposit models in exploration. Further, the book addresses the evaluation of mineral resources, from sampling techniques to the economic evaluation of mining projects (i.e. types and density of sampling, mean grade definition and calculation, Sichel’s estimator, evaluation methods – classical and geostatistical, economic evaluation – NPV, IRR, and PP, estimation of risk, and software for evaluating mineral resources). It subsequently describes key mineral resource exploitation methods (open pit and underground mining) and the mineral processing required to obtain saleable products (crushing, grinding, sizing, ore separation, and concentrate dewatering, also with some text devoted to tailings dams). Lastly, the book discusses the environmental impact of mining, covering all the aspects of this very important topic, from the description of diverse impacts to the environmental impact assessment (EIA), which is essential in modern mining projects.
For the evaluation of mineral development projects, it is imperative to consider the risks involved in mineral exploration and development and to bear in mind that an adjustment for these risks is a common practice which implies raising the minimum discount rate. A company may for instance use different discount rates depending on the different risks involved so as to compensate for the variability of success. In determining a discount rate, an organization should follow this rule The greater the risk, the higher the discount rate should be. The discount rate will have a great influence on the economic evaluation of mineral projects. All other factors used for calculating the NPV (Net Present Value) being equal, the project at hand may be accepted or rejected depending upon the discount rate, and the fluctuation of the NPV from positive to negative. It must be pointed out that the determination of the discount rate is the most difficult and vital aspect of cash-flow analysis. In practice however the discount rate is usually fixed by top management and then delegated to the respective departments responsible for actual economic evaluation of the investment alternatives. A major problem in determining the appropriate discount rate is that it effectively depends more on subjective perception of the degree of risk or other past experience factors than on a systematic approach. By using a risk-free rate of return, plus a subjectively determined risk premium, a discount rate may be developed, which is expected to compensate the investor for the extra risk involved. In practice the selection of risk-free rate of return is relatively simple. In most cases, the yield on government bonds, under non-inflationary conditions, is adopted as the risk-free rate of return. The real problem lies in the choice of the risk premium which must be adequately adapted to compensate for the additional risks associated with the investment under consideration. Consideration of proper conditions in respect of a specific project under economic evaluation should help to determine the risk premium. The risk premium should be entirely dependent on the risks influencing the mineral development project. All possible risks affecting a mineral development project under consideration should be taken into account, when determining an appropriate risk premium. This is a stupendous task and will imply a large number of risks, which will no doubt make the determination very difficult to tackle and use. Furthermore, there are naturally numerous difficulties in structuring an analysis with many factors, because it is complex and multi-faceted. In order to facilitate the implementation of the determination, there are usually a definite number of key risks to be observed. Risks, crucial for success of the mineral development project, are classified as follows: -- Technical risk - reserve, completion, production -- Economical risk price, demand, foreign exchange -- Political risk currency conversion, environment, tax, nationalization From the review of factors influencing the determination of discount rate carried out (Section 4), it is concluded that the quantitative methodology for discount rate should be a process of identifying potential factors (risks), analyzing factors to determine those that have the greatest impact on mineral development, and determining discount rate. It is therefore imperative to find a method whereby all mining risks, together with their probability and impact, and an understanding of the combined effect of all risks attached to the cash flow and the rate of return. Thus then a way of a procedure calculating risk scores is required. Existing knowledge should therefore be used optimally to determine discount rate.
The Business of Mining complete set of three Focus books will provide readers with a holistic all-embracing appraisal of the analytical tools available for assessing the economic viability of prospective mines. Each volume has a discrete focus. This second volume discusses, in some depth, alternative means of assessing the economic viability of mining projects based on the best estimate of the recoverable mineral and/or fossil fuel reserves. The books were written primarily for undergraduate applied geologists, mining engineers and extractive metallurgists and those pursuing course-based postgraduate programs in mineral economics. However, the complete series will also be an extremely useful reference text for practicing mining professionals as well as for consultant geologists, mining engineers or primary metallurgists.
International Mineral Economics provides an integrated overview of the concepts important for mineral exploration, mine valuation, mineral market analysis, and international mineral policies. The treatment is interdisciplinary, drawing on the fields of economics, geology, business, and mining engineering. Part I, Economic Geology and Mineral Development, examines the technical concepts important for understanding the geology of ore deposits, the methods of exploration and deposit evaluation, and the activities of mining and mineral processing. Part II, Mineral Economics, focuses on the economic and related concepts important for understanding mineral development, the evaluation of exploration and mining projects, and mineral markets and market models. Finally, Part III, International Mineral Policies, reviews and traces the historical development of the policies of international organizations, the industrialized countries, and the developing countries.
“Everything” sums up what must be considered for a properly documented property evaluation. Less than 30% of the projects that are developed in the minerals industry yield the return on investment that was projected from the project feasibility studies. The tools described in this handbook will greatly improve the probability of meeting your projections and minimizing project execution capital cost blowout that has become so prevalent in this industry in recent years. Mineral Property Evaluation provides guidelines to follow in performing mineral property feasibility and evaluation studies and due diligence, and in preparing proper documents for bankable presentations. It highlights the need for a consistent, systematic methodology in performing evaluation and feasibility work. The objective of a feasibility and evaluation study should be to assess the value of the undeveloped or developed mineral property and to convey these findings to the company that is considering applying technical and physical changes to bring the property into production of a mineral product. The analysis needs to determine the net present worth returned to the company for investing in these changes and to reach that decision point as early as possible and with the least amount of money spent on the evaluation study. All resources are not reserves, nor are all minerals an ore. The successful conclusion of any property evaluation depends on the development, work, and conclusions of the project team. The handbook has a diverse audience: • Professionals in the minerals industry that perform mineral property evaluations. • Companies that have mineral properties and perform mineral property feasibility studies and evaluations or are buying properties based on property evaluation. • Financial institutions, both domestic and overseas, that finance or raise capital for the minerals industry. • Consulting firms and architectural and engineering contractors that utilize mineral property feasibility studies and need standards to follow. • And probably the most important, the mining and geological engineering students and geology and economic geology students that need to learn the standards that they should follow throughout their careers.