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Bulk sampling, the costly process of taking very large samples, is part of the general procedure for the exploration and evaluation of a mineral deposit. Often the bulk sample will be a composite of material from development drifts and raises. Ideally, drift rounds or other portions should be selected from geological mapping and prior sampling, handled separately, and should be stored temporarily on a pad for sampling if not directly processed. The bulk sample will consist of these components and will take into account the geological continuities. The appropriateness of the bulk sample will be related to its source, to the variability of the deposit, to the deposit morphology, and to anticipated problems. The final objective is to obtain the quantitative information required for the quantitative evaluation of the deposit in a formal feasibility study; the objective is a production decision that leads to a profitable operation. This course provides a comprehensive introduction to the topic, including the application of bulk sampling in a project exploration / evaluation context, the nugget effect and other statistical issues, planning a bulk sampling program, grade verification and metallurgical testing. Authors Dr. Alastair J. Sinclair   Duration: 12 Hours Access: 90 Days Category: Exploration Level: Specialize Version Date: October 3, 2011 ​Need to train a team? Whether you're looking for a customized training program or developing a team, we have enterprise solutions to fit your needs. Learn More   Read More

Common Rocks, Minerals and Ores is a short (non-certification) course and reference for beginners in geology and mineral exploration and for others who require the basics of rock and mineral identification. It provides participants with a means of practicing identification and classification of common rocks and minerals in the field. The course is enhanced by integration with the Dictionary of Mining, Mineral and Related Terms. Authors Dr. Glenn B. Stracher   Duration: 1 Hour Access: 90 Days Category: Mining Level: Introduce Version Date: January 7, 2011 ​Need to train a team? Whether you're looking for a customized training program or developing a team, we have enterprise solutions to fit your needs. Learn More Read More

Este curso tiene por objetivo ayudar a quienes desean leer e interpretar los estados financieros de una compañía financiera. Se asume que el lector no tiene una educación formal ni experiencia en contabilidad, pero posee un interés general en el negocio con una tendencia hacia la minería. Además, este curso está más dirigido a gerentes e inversionistas que a contadores. Analizamos los estados financieros en busca de su organización, contenido de información y limitaciones. En resumen, usted no aprenderá sobre prácticas contables, débitos ni créditos, sino que verá datos numéricos y descripciones narrativas preparadas por compañías mineras. Usted aprenderá a usar varias herramientas analíticas. En este curso se emplean ejemplos ficticios e informes publicados reales para ilustrar varios conceptos. Al final del curso (Apéndice) se incluye un breve glosario y una fuente de información adicional. Este curso cuenta con seis temas principales, separados en tres Partes. Parte 1 Introducción a la contabilidad y a los informes financieros El estado de posición financiera Parte 2 El estado de pérdidas y ganancias Parte 3 El Estado de flujo de efectivo El Estado de cambios en el patrimonio Notas y herramientas analíticas Authors Alain Duncan Duration 7 horas Access 90 Days Category Leadership Level Specialize Version Date 29 de mayo de 2014 ​Need to train a team? Whether you're looking for a customized training program or developing a team, we have enterprise solutions to fit your needs. Learn More Read More

The investment necessary to start a mine is of the order of 10's to 100's of millions of dollars. In order for the investment to be profitable, the potential product in the ground must be present in adequate quantities and quality to justify a decision to invest. Mining and processing systems used to extract the products must then operate so as to produce revenue to offset the planned investment and to provide an acceptable profit. Clearly, all technological and financial decisions regarding planned production are built on an understanding of the mineral assets available. Thus, the estimation of grade and location of material in the ground (in situ resources) must be known with an acceptable degree of confidence. This is especially true of certain large, low grade deposits for which grade is only slightly above minimum profitable levels, and for some precious metal deposits where only a small percentage of mineralized ground can be mined at a profit. Mining profits are strongly leveraged to product price and to realized grade of material mined. A small difference between planned (estimated) and realized production grade, or a small change in metal price, can have a large impact on mine profitability. The three undertakings, ore estimation, mine planning and grade control, are complementary in an efficient mining operation and are natural progressions one to another. The integration of these three endeavors is important because the grade control system must balance with the ore reserve as well as with the final products of the operating plant, and both estimation and grade control are influenced by planned operational procedures. If this balance is not achieved then the original investment may be in jeopardy. Reappraisals of mineral inventories can be necessary many times both prior to and during the life of a mine. Resource/reserve estimation procedures commonly are considered in two categories, empirical and geostatistical. This course is confined to the principal empirical methods of estimation. This is a premium course which has been peer-reviewed by a committee appointed by the Canadian Institute of Mining, Metallurgy and Petroleum (CIM) and the Society for Mining, Metallurgy and Exploration (SME). Authors Alastair J. Sinclair   Duration: 18 Hours Access: 90 Days Category: Exploration Level: Specialize Version Date: June 22, 2006 ​Need to train a team? Whether you're looking for a customized training program or developing a team, we have enterprise solutions to fit your needs. Learn More Read More

Covers are constructed at mines sites over facilities such as tailings impoundments, heap leach pads, waste rock dumps, sludge ponds, and solid waste disposal units. Generally the cover is constructed as part of the closure and/or reclamation works. A wide range of cover types have been designed and constructed on mine facilities worldwide, from water covers, through soil covers, geosynthetic covers, and waste rock covers. The specifics of the cover are dictated by the: type of waste covered; materials available to construct the cover; environment of the mine; and governing regulations. This course is the first in a series of two courses on covers for mine geowaste facilities. Covers for Mine Geowaste Facilities - 1: Principles, Practice, and Selection deals with the general principles and practice of covers—what their purpose is, what objectives govern their selection and detailing, and what to consider when choosing a cover for your specific facility. In this course, we examine the: objectives of mine closure—the activity that most frequently gives rise to the need for a cover; purpose of the cover, and hence the criteria which govern the design, construction, and ultimately the performance of the cover; and layers or components of a cover—some to limit infiltration, some to resist erosion, and some to support vegetation. The course includes numerous case studies from the author's extensive experience. It also includes descriptions of many types of covers that have been used and that could be used at mines. This course is intended for all who seek to know more about covers for mines and their waste management facilities. There is information in this course for those charged with choosing a cover type, designing and constructing the cover, paying for the cover, and for those regulating and permitting a new cover. There is also information in this course for those who may be evaluating and judging a mine's closure plan, which normally includes one or more covers. Topics in include design analyses, performance assessment, cover construction, and surveillance and maintenance. include design analyses, performance assessment, cover construction, and surveillance and maintenance. Authors Jack Caldwell P.E., MS.(Eng.), LLB Duration 12 hours Access 90 Days Category Geotechnics Level Specialize Version Date October 26, 2016   ​Need to train a team? Whether you're looking for a customized training program or developing a team, we have enterprise solutions to fit your needs. Learn More Read More

Covers are constructed at mines sites over facilities such as tailings impoundments, heap leach pads, waste rock dumps, sludge ponds, and solid waste disposal units. Generally the cover is constructed as part of the closure and/or reclamation works. This course is the second in a series of two courses on covers for mine geowaste facilities. In this course, we examine the design and performance assessment of covers, which includes: engineering, scientific, and technical design methods to calculate and quantify just how the cover may perform in regards to stability, infiltration, erosion, and deformation; and the construction, surveillance, and monitoring that will need to be undertaken to put and keep the cover in operation. The course includes numerous case studies from the author's extensive experience. This course is intended for all who seek to know more about covers for mines and their waste management facilities. There is information in this course for those charged with choosing a cover type, designing and constructing the cover, paying for the cover, and for those regulating and permitting a new cover. There is also information in this course for those who may be evaluating and judging a mine's closure plan, which normally includes one or more covers. Authors Jack Caldwell P.E., MS.(Eng.), LLB Duration 10 hours Access 90 Days Category Geotechnics Level Specialize Version Date October 20, 2016   ​Need to train a team? Whether you're looking for a customized training program or developing a team, we have enterprise solutions to fit your needs. Learn More Read More

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