| Edition |
Second edition. |
| Descript. |
1 online resource. |
| Notes |
Description based on print version record. |
| Bibliog. |
Includes bibliographical references (pages 145-147) and index. |
| Contents |
Chapter 1 -- Introduction -- Chapter 2 -- General concepts -- Mathematical formulation: Utility function -- Cut-off grade and grade-tonnage relationship -- Direct profit and loss: Udir(x) -- Net present value: NPV -- Opportunity 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 -- Cut-off grade with variable recovery -- Constant tail model of variable recovery -- Breakeven cut-off grade and polymetallic deposits -- Opportunity cost of not using the optimum cut-off grade -- Cut-off grade and low-grade stockpiles -- Cut-off grade and optimization of processing plan operating conditions -- Chapter 4 -- Capacity constraints and opportunity costs -- When marginal analysis no longer applies: A gold leaching operation -- Capacity constraints and increase in cut-off grade -- Decreasing cut-off grade over time: A strategic objective -- Cut-off grade below marginal cut-off grade -- Cut-off grade optimization with opportunity costs: Practical considerations -- Chapter 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 -- Relasing 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 between open pit and underground mine planning -- Block and panel caving -- Relationship between mine selectivity, deposit modeling, ore control, and cut-off grade -- Chapter 7 -- Which costs should be included in cut-off grade calculations? -- General considerations -- How specific 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 -- Remarks concerning an increasingly complex blending problem. |
| Reproduction |
Electronic reproduction. Perth, W.A. Available via World Wide Web. |
| Sys Details |
Ebook access requires you to log in as a Federation University Australia library user |
| Subject |
Ores -- Grading.
|
|
Ores -- Sampling and estimation.
|
| Other Author |
Ebooks Corporation
|
| ISBN |
9780873353946 (electronic bk.) |
|
0873353943 (electronic bk.) |
|
9780873353939 |
|
0873353935 |
|
