Page 11 - Introduction to Mineral Exploration

viii CONTENTS

13.3 Geology 298
13.4 Data assessment 303
13.5 Geotechnical investigation 307
13.6 Lignite quality 309
13.7 Lignite reserve estimates 314
13.8 Surface mine evaluation 315
13.9 Summary 319
13.10 Further reading 319

14 Witwatersrand Conglomerate Gold – West Rand 320
Charles J. Moon and Michael K.G. Whateley
14.1 Introduction 320
14.2 Geology 320
14.3 Economic background 330
14.4 Exploration models 333
14.5 Exploration methods 334
14.6 Reserve estimation 344
14.7 Exploration and development of the southern part of the West Rand Goldfield 345
14.8 Conclusions 357
15 A Volcanic-associated Massive Sulfide Deposit – Kidd Creek, Ontario 358
Anthony M. Evans and Charles J. Moon
15.1 Introduction 358
15.2 Volcanic-associated massive sulfide deposits 358
15.3 The Kidd Creek Mine 370
15.4 Conclusions 381

16 Disseminated Precious Metals – Trinity Mine, Nevada 382
Michael K.G. Whateley, Timothy Bell and Charles J. Moon
16.1 Background 382
16.2 Trinity Mine, Nevada 386
16.3 Exploration 387
16.4 The geology of Pershing County and the Trinity District 391
16.5 Development and mining 395
16.6 Mineral processing 397
16.7 Environmental considerations 397
16.8 Grade estimation 399
16.9 Ore reserve estimation 409
16.10 Summary and conclusions 412

17 Diamond Exploration – Ekati and Diavik Mines, Canada 413
Charles J. Moon
17.1 World diamond deposits and exploration 413
17.2 Canadian discoveries: Ekati and Diavik 431
17.3 Summary 443

Internet Links 444
References 447
Index 469