Preface |
|
xiii | |
About the Authors |
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xv | |
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1 | (45) |
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1 | (4) |
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1 | (1) |
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Some important definitions |
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2 | (3) |
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5 | (2) |
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An initial data collection checklist |
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7 | (4) |
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11 | (6) |
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|
11 | (1) |
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The content of an intermediate valuation report |
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12 | (1) |
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The content of the feasibility report |
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12 | (5) |
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17 | (1) |
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17 | (2) |
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17 | (1) |
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17 | (1) |
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18 | (1) |
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18 | (1) |
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Feasibility study preparation |
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19 | (5) |
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Critical path representation |
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|
24 | (1) |
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24 | (11) |
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24 | (1) |
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25 | (3) |
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28 | (1) |
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28 | (1) |
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29 | (2) |
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Surface and ground water management |
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31 | (1) |
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32 | (1) |
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33 | (1) |
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Cyanide heap and vat leach systems |
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33 | (1) |
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34 | (1) |
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Environmental planning procedures |
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35 | (5) |
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Initial project evaluation |
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35 | (2) |
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37 | (1) |
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The environmental planning team |
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38 | (2) |
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A sample list of project permits and approvals |
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40 | (6) |
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40 | (2) |
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Review questions and exercises |
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42 | (4) |
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Mining Revenues and Costs |
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46 | (122) |
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46 | (1) |
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Economic concepts including cash flow |
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46 | (9) |
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46 | (1) |
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47 | (1) |
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Present value of a series of uniform contributions |
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47 | (1) |
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48 | (1) |
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Rate of return on an investment |
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48 | (1) |
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49 | (1) |
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Discounted cash flow (DCF) |
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|
50 | (1) |
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Discounted cash flow rate of return (DCFROR) |
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50 | (1) |
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Cash flows, DCF and DCFROR including depreciation |
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51 | (1) |
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52 | (2) |
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Cash flows, including depletion |
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54 | (1) |
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55 | (40) |
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55 | (8) |
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63 | (13) |
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76 | (10) |
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86 | (1) |
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86 | (6) |
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92 | (3) |
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95 | (73) |
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|
95 | (1) |
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Costs from actual operations |
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96 | (1) |
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Escalation of older costs |
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96 | (20) |
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The original O'Hara cost estimator |
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116 | (2) |
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The updated O'Hara cost estimator |
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118 | (19) |
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Detailed cost calculations |
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137 | (15) |
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Quick-and-dirty mining cost estimates |
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152 | (1) |
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Current equipment, supplies and labor costs |
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153 | (6) |
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159 | (5) |
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Review questions and exercises |
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164 | (4) |
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168 | (102) |
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168 | (1) |
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168 | (15) |
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183 | (4) |
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Compositing and tonnage factor calculations |
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187 | (11) |
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187 | (6) |
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193 | (5) |
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Method of vertical sections |
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198 | (14) |
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198 | (1) |
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198 | (1) |
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Construction of a cross-section |
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199 | (4) |
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Calculation of tonnage and average grade for a pit |
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203 | (9) |
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Method of vertical sections (grade contours) |
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212 | (7) |
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The method of horizontal sections |
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219 | (8) |
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219 | (1) |
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219 | (4) |
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223 | (4) |
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227 | (8) |
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227 | (3) |
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230 | (1) |
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Constant distance weighting techniques |
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231 | (4) |
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Statistical basis for grade assignment |
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235 | (16) |
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Some statistics on the orebody |
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238 | (4) |
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Range of sample influence |
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242 | (1) |
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243 | (5) |
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Describing variograms by mathematical models |
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248 | (2) |
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Quantification of a deposit through variograms |
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250 | (1) |
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251 | (19) |
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251 | (1) |
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252 | (2) |
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254 | (4) |
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Example of estimation for a level |
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258 | (1) |
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|
258 | (1) |
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Common problems associated with the use of the kriging technique |
|
|
259 | (1) |
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Comparison of results using several techniques |
|
|
260 | (1) |
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261 | (5) |
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Review questions and exercises |
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|
266 | (4) |
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Geometrical Considerations |
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|
270 | (118) |
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|
270 | (1) |
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|
270 | (7) |
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277 | (13) |
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The pit expansion process |
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290 | (13) |
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|
290 | (1) |
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|
290 | (3) |
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293 | (1) |
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|
293 | (3) |
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Minimum required operating room for parallel cuts |
|
|
296 | (6) |
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302 | (1) |
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|
303 | (9) |
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312 | (14) |
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|
312 | (1) |
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|
313 | (1) |
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|
314 | (6) |
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320 | (1) |
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Stability of curved wall sections |
|
|
320 | (2) |
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Slope stability data presentation |
|
|
322 | (1) |
|
|
323 | (1) |
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Economic aspects of final slope angles |
|
|
324 | (2) |
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Plan representation of bench geometry |
|
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326 | (4) |
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330 | (22) |
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|
330 | (6) |
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Design of a spiral road -- inside the wall |
|
|
336 | (5) |
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Design of a spiral ramp -- outside the wall |
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|
341 | (3) |
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|
344 | (3) |
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The volume represented by a road |
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347 | (5) |
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|
352 | (17) |
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|
352 | (1) |
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|
353 | (5) |
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|
358 | (3) |
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|
361 | (3) |
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Conventional parallel berm design |
|
|
364 | (1) |
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|
364 | (1) |
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|
365 | (3) |
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Practical road building and maintenance tips |
|
|
368 | (1) |
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|
369 | (5) |
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|
374 | (3) |
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|
377 | (11) |
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|
377 | (6) |
|
Review questions and exercises |
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|
383 | (5) |
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|
388 | (94) |
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|
388 | (1) |
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|
389 | (29) |
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|
389 | (3) |
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The net value calculation |
|
|
392 | (6) |
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Location of pit limits -- pit bottom in waste |
|
|
398 | (6) |
|
Location of pit limits -- pit bottom in ore |
|
|
404 | (1) |
|
Location of pit limits -- one side plus pit bottom in ore |
|
|
404 | (1) |
|
|
405 | (6) |
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Generating a final pit outline |
|
|
411 | (5) |
|
Destinations for in-pit materials |
|
|
416 | (2) |
|
|
418 | (2) |
|
The floating cone technique |
|
|
420 | (9) |
|
The Lerchs-Grossmann 2-D algorithm |
|
|
429 | (9) |
|
Modification of the Lerchs-Grossmann 2-D algorithm to a 21/2-D algorithm |
|
|
438 | (3) |
|
The Lerchs-Grossmann 3-D algorithm |
|
|
441 | (16) |
|
|
441 | (3) |
|
Definition of some important terms and concepts |
|
|
444 | (3) |
|
Two approaches to tree construction |
|
|
447 | (1) |
|
The arbitrary tree approach (Approach 1) |
|
|
448 | (2) |
|
The all root connection approach (Approach 2) |
|
|
450 | (4) |
|
The tree `cutting' process |
|
|
454 | (2) |
|
A more complicated example |
|
|
456 | (1) |
|
Computer assisted methods |
|
|
457 | (25) |
|
The RTZ open-pit generator |
|
|
457 | (6) |
|
Computer assisted pit design based upon sections |
|
|
463 | (12) |
|
|
475 | (4) |
|
Review questions and exercises |
|
|
479 | (3) |
|
|
482 | (162) |
|
|
482 | (1) |
|
Some basic mine life -- plant size concepts |
|
|
483 | (10) |
|
|
493 | (1) |
|
Sequencing by nested pits |
|
|
494 | (5) |
|
|
499 | (12) |
|
Mine and mill plant sizing |
|
|
511 | (15) |
|
Ore reserves supporting the plant size decision |
|
|
511 | (4) |
|
Incremental financial analysis principles |
|
|
515 | (3) |
|
|
518 | (8) |
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|
526 | (30) |
|
|
526 | (1) |
|
|
527 | (1) |
|
|
528 | (1) |
|
|
529 | (1) |
|
Cutoff grade for maximum profit |
|
|
530 | (8) |
|
Net present value maximization |
|
|
538 | (18) |
|
Material destination considerations |
|
|
556 | (12) |
|
|
556 | (1) |
|
The leach dump alternative |
|
|
557 | (5) |
|
The stockpile alternative |
|
|
562 | (6) |
|
|
568 | (36) |
|
|
568 | (12) |
|
|
580 | (6) |
|
Block sequencing using set dynamic programming |
|
|
586 | (12) |
|
|
598 | (6) |
|
|
604 | (27) |
|
|
604 | (7) |
|
|
611 | (2) |
|
Manual push back design example |
|
|
613 | (12) |
|
|
625 | (2) |
|
Equipment fleet requirements |
|
|
627 | (2) |
|
Other planning considerations |
|
|
629 | (2) |
|
The mine planning and design process -- summary and closing remarks |
|
|
631 | (13) |
|
|
633 | (7) |
|
Review questions and exercises |
|
|
640 | (4) |
|
Reporting of Mineral Resources and Ore Reserves |
|
|
644 | (44) |
|
|
644 | (1) |
|
The JORC code -- 2004 edition |
|
|
645 | (17) |
|
|
645 | (1) |
|
|
645 | (1) |
|
|
645 | (4) |
|
|
649 | (1) |
|
Competence and responsibility |
|
|
650 | (2) |
|
|
652 | (1) |
|
|
653 | (1) |
|
Reporting of exploration results |
|
|
653 | (1) |
|
Reporting of mineral resources |
|
|
654 | (4) |
|
Reporting of ore reserves |
|
|
658 | (3) |
|
Reporting of mineralized stope fill, stockpiles, remnants, pillars, low grade mineralization and tailings |
|
|
661 | (1) |
|
The CIM best practice guidelines for the estimation of mineral resources and mineral reserves -- general guidelines |
|
|
662 | (26) |
|
|
662 | (1) |
|
|
662 | (2) |
|
|
664 | (2) |
|
Geological interpretation and modeling |
|
|
666 | (3) |
|
Mineral resource estimation |
|
|
669 | (3) |
|
Quantifying elements to convert a Mineral Resource to a Mineral Reserve |
|
|
672 | (2) |
|
Mineral reserve estimation |
|
|
674 | (2) |
|
|
676 | (4) |
|
Reconciliation of mineral reserves |
|
|
680 | (3) |
|
|
683 | (1) |
|
|
683 | (2) |
|
Review questions and exercises |
|
|
685 | (3) |
|
|
688 | (39) |
|
|
688 | (1) |
|
The 1972 United Nations Conference on the Human Environment |
|
|
689 | (4) |
|
The World Conservation Strategy (WCS) -- 1980 |
|
|
693 | (3) |
|
World Commission on Environment and Development (1987) |
|
|
696 | (2) |
|
|
698 | (5) |
|
|
698 | (3) |
|
|
701 | (2) |
|
World Summit on Sustainable Development (WSSD) |
|
|
703 | (1) |
|
Mining industry and mining industry-related initiatives |
|
|
704 | (12) |
|
|
704 | (1) |
|
The Global Mining Initiative (GMI) |
|
|
704 | (2) |
|
International Council on Mining and Metals (ICMM) |
|
|
706 | (2) |
|
Mining, Minerals, and Sustainable Development (MMSD) |
|
|
708 | (1) |
|
The U.S. Government and federal land management |
|
|
709 | (3) |
|
The position of the U.S. National Mining Association (NMA) |
|
|
712 | (2) |
|
The view of one mining company executive |
|
|
714 | (2) |
|
`Responsible Mining' -- the way forward is good engineering |
|
|
716 | (3) |
|
|
716 | (1) |
|
|
716 | (3) |
|
|
719 | (8) |
|
|
719 | (4) |
|
Review questions and exercises |
|
|
723 | (4) |
Index |
|
727 | (236) |
|
|
737 | (51) |
|
|
738 | (2) |
|
|
738 | (1) |
|
|
738 | (1) |
|
|
739 | (1) |
|
The Arizona Copper property description |
|
|
740 | (1) |
|
Steps needed to create a block model |
|
|
740 | (3) |
|
Data files required for creating a block model |
|
|
743 | (1) |
|
CSMine program design overview |
|
|
744 | (1) |
|
Executing commands with CSMine |
|
|
745 | (1) |
|
|
745 | (2) |
|
|
747 | (11) |
|
Reading the drill hole file |
|
|
747 | (1) |
|
|
748 | (2) |
|
Creating a drill hole plan map |
|
|
750 | (5) |
|
Creating a drill hole section map |
|
|
755 | (3) |
|
|
758 | (3) |
|
|
758 | (1) |
|
Storing and loading composite files |
|
|
759 | (1) |
|
Drill hole section plots with composites |
|
|
760 | (1) |
|
|
761 | (26) |
|
|
761 | (4) |
|
Creating block value plots |
|
|
765 | (5) |
|
|
770 | (3) |
|
Assigning economic values to the blocks |
|
|
773 | (1) |
|
|
774 | (7) |
|
|
781 | (2) |
|
|
783 | (3) |
|
The Save and Print commands |
|
|
786 | (1) |
|
|
787 | (1) |
|
|
787 | (1) |
|
|
788 | (114) |
|
|
788 | (5) |
|
|
788 | (1) |
|
|
789 | (1) |
|
|
790 | (1) |
|
Formatting the data screen |
|
|
791 | (1) |
|
|
792 | (1) |
|
|
792 | (1) |
|
Coordinate system description |
|
|
792 | (1) |
|
|
793 | (13) |
|
Drill hole data file description |
|
|
794 | (1) |
|
Reading a drill hole file |
|
|
795 | (1) |
|
Plotting a drill hole plan map |
|
|
796 | (5) |
|
Plotting a drill hole section map |
|
|
801 | (5) |
|
|
806 | (9) |
|
How composites are calculated |
|
|
807 | (3) |
|
|
810 | (2) |
|
|
812 | (1) |
|
|
813 | (1) |
|
Composite file description |
|
|
813 | (2) |
|
|
815 | (19) |
|
Defining the block model grid |
|
|
816 | (1) |
|
|
816 | (4) |
|
|
820 | (6) |
|
|
826 | (5) |
|
|
831 | (1) |
|
|
832 | (1) |
|
|
832 | (2) |
|
|
834 | (6) |
|
How economic values are calculated |
|
|
834 | (2) |
|
Evaluation of the default formulas |
|
|
836 | (3) |
|
Creating an economic block model |
|
|
839 | (1) |
|
|
840 | (8) |
|
Surface topography restrictions |
|
|
841 | (1) |
|
Geometric pit limit restriction and pit slopes |
|
|
841 | (1) |
|
Positive apexed cone limits |
|
|
841 | (3) |
|
Three-dimensional floating cone |
|
|
844 | (1) |
|
|
844 | (3) |
|
Turning pit restrictions on and off |
|
|
847 | (1) |
|
|
848 | (5) |
|
|
848 | (3) |
|
|
851 | (1) |
|
|
851 | (1) |
|
|
851 | (1) |
|
Controlling which blocks are plotted |
|
|
851 | (2) |
|
|
853 | (6) |
|
|
853 | (6) |
|
|
859 | (1) |
|
|
859 | (1) |
|
|
859 | (1) |
|
|
859 | (3) |
|
|
860 | (1) |
|
|
861 | (1) |
|
|
861 | (1) |
|
The Outer_Economic command |
|
|
861 | (1) |
|
The Floating_Cone command |
|
|
861 | (1) |
|
|
861 | (1) |
|
|
862 | (3) |
|
|
862 | (1) |
|
|
863 | (2) |
|
|
865 | (1) |
|
|
865 | (17) |
|
|
865 | (1) |
|
|
865 | (1) |
|
Summary statistics description |
|
|
865 | (6) |
|
Is a distribution normal? |
|
|
871 | (1) |
|
Is a distribution lognormal? |
|
|
871 | (7) |
|
|
878 | (3) |
|
|
881 | (1) |
|
|
882 | (20) |
|
|
882 | (5) |
|
Experimental variogram modeling |
|
|
887 | (3) |
|
|
890 | (2) |
|
|
892 | (9) |
|
|
901 | (1) |
|
|
902 | (61) |
|
|
902 | (2) |
|
The Arizona copper property |
|
|
904 | (7) |
|
|
904 | (1) |
|
|
904 | (1) |
|
|
905 | (1) |
|
|
905 | (1) |
|
|
906 | (3) |
|
|
909 | (1) |
|
|
910 | (1) |
|
The Minnesota natural iron property |
|
|
911 | (9) |
|
|
911 | (2) |
|
|
913 | (1) |
|
|
914 | (1) |
|
|
915 | (1) |
|
|
916 | (1) |
|
|
916 | (1) |
|
|
917 | (1) |
|
|
918 | (1) |
|
|
918 | (2) |
|
|
920 | (5) |
|
|
920 | (1) |
|
Mining history of the district |
|
|
921 | (1) |
|
Property topography and surface vegetation |
|
|
922 | (1) |
|
|
922 | (1) |
|
|
923 | (1) |
|
|
924 | (1) |
|
|
924 | (1) |
|
|
924 | (1) |
|
|
925 | (1) |
|
|
925 | (1) |
|
The Minnesota taconite property |
|
|
925 | (7) |
|
|
925 | (1) |
|
|
926 | (1) |
|
|
926 | (1) |
|
Topography and surface conditions |
|
|
927 | (1) |
|
|
927 | (1) |
|
|
928 | (1) |
|
|
929 | (2) |
|
|
931 | (1) |
|
The Kennecott Barneys Canyon gold property |
|
|
932 | (4) |
|
|
932 | (1) |
|
|
932 | (1) |
|
|
933 | (1) |
|
|
933 | (1) |
|
Topography and surface conditions |
|
|
934 | (1) |
|
|
934 | (1) |
|
|
934 | (1) |
|
|
935 | (1) |
|
The Newmont gold property |
|
|
936 | (5) |
|
|
936 | (1) |
|
|
936 | (1) |
|
|
937 | (1) |
|
|
938 | (1) |
|
Topography and surface conditions |
|
|
939 | (1) |
|
Local climatic conditions |
|
|
940 | (1) |
|
Initial pit modeling parameters |
|
|
940 | (1) |
|
The Codelco Andina copper property |
|
|
941 | (6) |
|
|
941 | (1) |
|
|
941 | (1) |
|
|
941 | (1) |
|
|
942 | (1) |
|
Geotechnical slope analysis and design |
|
|
943 | (3) |
|
Unit operations and initial costs for generating a pit |
|
|
946 | (1) |
|
The Codelco Norte copper property |
|
|
947 | (16) |
|
|
947 | (2) |
|
|
949 | (1) |
|
|
949 | (1) |
|
|
950 | (2) |
|
|
952 | (1) |
|
Material handling systems |
|
|
952 | (1) |
|
Metallurgical testing/process development |
|
|
953 | (1) |
|
Leach pad design and operation |
|
|
954 | (1) |
|
|
955 | (1) |
|
Unit operations and manpower |
|
|
955 | (3) |
|
|
958 | (1) |
|
|
958 | (5) |
Index |
|
963 | |