SME updates cut-off grade estimation book

By |  February 6, 2014

The Society for Mining, Metallurgy & Exploration Inc. (SME) says a new edition of a publication that examines cut-off grades, one of the most important calculations in the mining industry because they play a key role in estimating mineral reserves that can be publicly reported, is now available.

An Introduction to Cut-off Grade Estimation, second edition, covers topics that include breakeven cut-off grade, capacity constraints and opportunity costs, cut-off grade and mine planning, blending strategy, and the costs that should be included in cut-off grade calculations.

“As an internationally recognized expert in the management, estimation, and public reporting of mineral resources, author Jean-Michel Rendu has incorporated practical insights into this best selling publication,” says SME Executive Director David L. Kanagy. “The completely updated second edition is easier to read and of greater practical interest to professionals the world over.”

Cut-off grades are essential to determining the economic feasibility and mine life of a project, according to SME, and the profitability and socioeconomic impact of mining operations are influenced by the choice of cut-off grades. The book explains in detail the relationship between optimization of net present value, capacity constraints and opportunity cost. As an added bonus, a new section discusses blending strategies that play a critical role in an increasing number of mining operations.

The hardcover book is available on SME’s website. It also is available as an eBook, book order No. 393-9.

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