An introduction to cut-off grade estimation / by Jean-Michel Rendu.
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 mine life of a project. Profitability and socioeconomic impact of mining operations are influenced by the choic...
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| Online Access: |
Full Text (via ProQuest) |
|---|---|
| Main Author: | |
| Format: | eBook |
| Language: | English |
| Published: |
Englewood, CO :
Published by Society for Mining, Metallurgy, and Exploration, Inc.,
2014.
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| Edition: | Second edition. |
| Subjects: |
MARC
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| 100 | 1 | |a Rendu, Jean-Michel, |d 1944- |e author. | |
| 245 | 1 | 3 | |a An introduction to cut-off grade estimation / |c by Jean-Michel Rendu. |
| 250 | |a Second edition. | ||
| 264 | 1 | |a Englewood, CO : |b Published by Society for Mining, Metallurgy, and Exploration, Inc., |c 2014. | |
| 300 | |a 1 online resource. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 504 | |a Includes bibliographical references and index. | ||
| 505 | 0 | |a Cover; Title Page; Copyright; Contents; Preface to 2014 Edition; Preface to 2008 Edition; Chapter 1: INTRODUCTION; Chapter 2:GENERAL CONCEPTS; Mathematical Formulation: UtilityFunction; Cut-off Grade and Grade-Tonnage Relationship; Direct Profit and Loss: Udir(x); Net Present Value: NPVi; Opportunity Costs and Benefits: Uopp(x); Other Costs and Benefits: Uoth(x); Cut-off Grade and Blending Strategy; Chapter 3:BREAKEVEN CUT-OFF GRADE; Cut-off Grade Between Ore and Waste; Cut-off Grades in Open Pit Mines; Cut-off Grades in Underground Mines; Cut-off Grade Between Two Processes. | |
| 505 | 8 | |a Cut-off Grade with Variable RecoveryConstant Tail Model of Variable Recovery; Breakeven Cut-off Grade and Polymetallic Deposits; OpportunityCost of Not Using the Optimum Cut-off Grade; Cut-off Grade and Low-Grade Stockpiles; Cut-off Grade and Optimization of Processing Plant Operating Conditions; Chapter 4:CAPACITY CONSTRAINTS AND OPPORTUNITY COSTS; WhenMarginal Analysis No Longer Applies: A Gold Leaching Operation; Capacity Constraints and Increase in Cut-off Grade; DecreasingCut-off Grade over Time: A Strategic Objective; Cut-off Grade Below Marginal Cut-off Grade. | |
| 505 | 8 | |a Cut-offGrade Optimization with Opportunity Costs: Practical ConsiderationsChapter 5:GEOLOGIC CONSTRAINTS AND OPPORTUNITY COSTS; Cut-off Grade When Processing Capacity Is Fixed; Cut-off Grade When Mining Capacity Is Fixed; Cut-off Grade When Volume of Sales Is Fixed; Releasing Capacity Constraints: A Base Metal Example; Chapter 6:CUT-OFF GRADE AND MINE PLANNING; Open Pit Mine: Economic Valuation of a Pushback; Underground Mine: Economic Valuation of a Stope; Similarities BetweenOpen Pit and Underground Mine Planning; Block and Panel Caving. | |
| 505 | 8 | |a Relationship Between Mine Selectivity, Deposit Modeling, Ore Control, and Cut-off GradeChapter 7:WHICH COSTS SHOULD BE INCLUDED IN CUT-OFF GRADE CALCULATIONS?; General Considerations; HowSpecific Costs Influence Cut-off Grade Calculations; Other Costs and Benefits; Chapter 8:BLENDING STRATEGY; Blending Two Material Types; Blending Three Material Types; Blending to Maximize Tonnage; RemarksConcerning an Increasingly Complex Blending Problem; Chapter 9:CLOSING REMARKS; APPENDIX A; Example 1. Net Present Value of Constant Cash Flow: Proofof Formula. | |
| 505 | 8 | |a Example 2.Net Present Value of Perpetuity Cash Flow: Proof of FormulaExample 3. Opportunity Cost of Mining a Peripheral Deposit; Example 4. Simplified Equation to Estimate Opportunity Cost: Verification of First-Order Approximation; Example5. Opportunity Cost of Not Using the Optimal Cut-off Grade in a Copper Mine; Example 6. Stockpilingand Cut-off Determination in a Copper Mine; Example7. Properties of Constant-Metric-Tons Curves in Blending Diagrams; LIST OF SYMBOLS; BIBLIOGRAPHY; INDEX; ABOUT THE AUTHOR; Back Cover. | |
| 520 | |a 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 mine life of a project. Profitability and socioeconomic impact of mining operations are influenced by the choice of cut-off grades. Cut-off grades play a key role in estimating mineral reserves that can be publicly reported. | ||
| 588 | 0 | |a Print version record. | |
| 650 | 0 | |a Ores |x Grading. | |
| 650 | 0 | |a Ores |x Sampling and estimation. | |
| 650 | 7 | |a Ores |x Grading. |2 fast |0 (OCoLC)fst01047552. | |
| 650 | 7 | |a Ores |x Sampling and estimation. |2 fast |0 (OCoLC)fst01047557. | |
| 776 | 0 | 8 | |i Print version: |a Rendu, Jean-Michel, 1944- |t Introduction to cut-off grade estimation. |b Second edition |z 9780873353939 |w (DLC) 2013043932 |w (OCoLC)863044201. |
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