Items related to An Introduction to Cut-off Grade Estimation
Synopsis
An Introduction to Cut-off Grade Estimation examines one of the most important calculations in the mining industry. Cut-off grades are essential to determining the economic feasibility and the mine life of a project. Increased cut-off grades can reduce political risks by ensuring higher financial returns over shorter periods of time. Conversely, lower cut-off grades may increase project life with longer economic benefits to shareowners, employees, and local communities. Cut-off grades also impact reported reserves, which are closely monitored by stock exchanges and regulatory agencies.
Jean-Michel Rendu provides practical insights into this critical variable. You’ll learn about minimum cut-off grades, as well as those for deposits containing multiple valuable minerals. Rendu also identifies which costs to include in cut-off grade calculations and considerations when planning open pit, underground, and block and panel caving operations. He explains how to optimize a copper mining project by changing grind size, and demonstrates the relationship between deposit modeling, ore control, and cut-off grades.
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About the Author
Jean-Michel (J-M) Rendu is an independent consultant supplying services to the international mining industry. J-M retired from Newmont Mining Corporation in 2001 as vice president of resources and mine planning with worldwide responsibility for corporate and mine-site mining engineering activities, and for estimation and reporting of resources and reserves. Before joining Newmont, J-M was an associate consultant with Golder Associates; an assistant professor with the University of Wisconsin-Madison; head of operations research with Anglovaal, Johannesburg, South Africa; and systems analyst with Kennecott Copper Corporation.
J-M graduated from École des Mines de Saint-Étienne in 1966 and obtained M.S. and Eng.Sc.D. degrees from Columbia University in the City of New York. He authored more than 50 technical papers on deposit modeling, mine engineering, estimation of resources and reserves, and U.S. and international regulatory requirements for public reporting. He is the author of An Introduction to Geostatistical Methods of Mineral Evaluation, published by the South African Institute of Mining and Metallurgy in 1978 (second edition, 1981) and An Introduction to Cut-off Grade Estimation, published by SME in 2008 (second edition, 2014).
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