Evaluation of Mineral Reserves: A Simulation Approach

by
Andre G. Journel and Phaedon Kyriakidis

 

Table of Contents

Preface
I Introduction
     I.1 Statement of the Problem and Notation
     I.2 Perfect Selection
     I.3 Actual Selection
     I.4 Estimation and Simulation
     I.5 Scope of the Book
II The Simulation Approach
     II.1 Point Grade Simulation
     II.2 Simulation of SMU Grades
     II.3 Simulation of Selection Criteria
     II.4 Simulation of Recovery Functions
     II.5 Reflections
III The Volume-Variance Correction Alternative
      III.1 Indicator Kriging
      III.2 Volume-Variance Correction
      III.3 Permanence of Distribution
      III.4 Estimates of Recovery Functions
      III.5 Summary
IV The Reference Data Sets
      IV.1 The Ely Reference Data Set
      IV.2 Reference Perfect Selection
      IV.3 Reference Actual Selection
           IV.3.1 Blasthole Data Generation
           IV.3.2 Kriging from Future Blasthole Data
           IV.3.3 Actual Selection Based on Kriging Estimates
      IV.4 The Ely2 Reference Data Set
           IV.4.1 Generation of the Ely2 Reference Data
          IV.4.2 Ely2: Perfect Selection
          IV.4.3 Ely2: Actual Selection
     IV.5 Summary
V Simulation of Recovery: Application
      V.1 Simulation of Point Support Grades
      V.2 Simulation of Perfect Selection
      V.3 Simulation of Actual Selection
      V.4 Application to the Ely2 Data Set
           V.4.1 Ely2: Simulation of Point Support Grades
           V.4.2 Ely2: Simulation of Perfect Selection
           V.4.3 Ely2: Simulation of Actual Selection
      V.5 Summary
VI Estimation of Recovery via Volume-Variance Correction
      VI.1 Volume-Variance Correction
      VI.2 Volume-Variance Correction Before Compositing: Results
      VI.3 Volume-Variance Correction After Compositing: Results
      VI.4 Comparison with Simulation Results
      VI.5 Volume-Variance Correction: Results for Ely2
      VI.6 Summary
VII Conclusions
Appendices
A List of Acronyms
B Common Notation
Bibliography
Index

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