Page 9 - Introduction to Mineral Exploration

vi CONTENTS

4.3 Sustainable development 67
4.4 Summary 69
4.5 Further reading 69

5 From Prospect to Prefeasibility 70
Charles J. Moon and Michael K.G. Whateley
5.1 Finding a drilling target 70
5.2 When to drill and when to stop 84
5.3 Recycling prospects 93
5.4 The Bre-X Minerals saga 100
5.5 Summary 102
5.6 Further reading 102

6 Remote Sensing 104
Michael K.G. Whateley
6.1 Introduction 104
6.2 The Landsat System 105
6.3 Other imaging systems 116
6.4 Photogeology 117
6.5 Summary 125
6.6 Further reading 126

7 Geophysical Methods 127
John Milsom
7.1 Introduction 127
7.2 Airborne surveys 127
7.3 Magnetic surveys 130
7.4 Gravity method 133
7.5 Radiometrics 135
7.6 Resistivity 136
7.7 Spontaneous polarization (SP) 138
7.8 Induced polarization (IP) 138
7.9 Continuous-wave electromagnetics 142
7.10 Transient electromagnetics (TEM) 144
7.11 Remote source methods (VLF and magnetotellurics) 145
7.12 Seismic methods 147
7.13 Ground radar 148
7.14 Borehole geophysics 149
7.15 Geophysics in exploration programs 150
7.16 Integration of geological and geophysical data 150
7.17 The role of the geologist in geophysical exploration 151
7.18 Dealing with contractors 152
7.19 Further reading 153

8 Exploration Geochemistry 155
Charles J. Moon
8.1 Planning 155
8.2 Analysis 159
8.3 Interpretation 162
8.4 Reconnaissance techniques 164
8.5 Follow-up sampling 177