CONTENTS
1 Mineral Resources = 1
Our Mineral Resource Crisis = 1
Factors Controlling Mineral Availability = 4
Geologic Factors = 4
Engineering Factors = 4
Environmental Factors = 5
Economic Factors = 5
Minerals and Global Economic Patterns = 5
The New Era of World Minerals = 9
2 Origin of Mineral Deposits = 10
Geologic Setting of Mineral Deposits = 10
Geologic Characteristics of Mineral Deposits = 12
Ore-Forming Processes = 14
Surface and Near-Surface Ore-Forming Processes =15
Weathering and Soils = 15
Sedimentary Processes = 17
Subsurface Ore-Forming Processes = 18
Aqueous and Hydrocarbon Ore-Forming Systems = 18
Movement of Aqueous and Hydrocarbon Fluids in the Crust = 18
Groundwater Systems = 19
Hydrothermal Systems = 21
Geochemistry of Hydrothermal Systems = 25
Magmatic Ore-Forming Systems = 26
Distribution of Mineral Deposits in Space and Time = 28
Conclusions = 29
3 Environmental Geochemistry and Mineral Resources = 30
Principles of Environmental Geochemistry = 30
Geochemical Reservoirs--Their Nature and Composition = 33
Lithosphere = 33
Hydrosphere = 35
Atmosphere = 35
Biosphere = 36
Geochemical Cycles and the Dynamic Nature of Global Reservoirs = 39
Geochemical Cycles = 39
Natural Contamination = 40
Anthropogenic Contamination = 42
Acid Pollution = 43
Global Change = 45
Assessing and Remedying the Environmental Impact of Pollution = 47
Sample Selection and Sample Statistics = 47
Analytical Preparation and Methods = 48
Risk and Dosage in Environmental Chemistry = 50
Remediation = 51
Conclusions = 54
4 Mineral Exploration and Production = 55
Exploration Success Rates and Expenditures = 55
Mineral Exploration, Personal Investments, and You = 56
Mineral Exploration Methods = 56
Prospecting and Random Exploration = 57
Geological Exploration = 59
Geochemical Exploration = 60
Geophysical Exploration = 62
Deposit Evaluation = 63
Drilling = 63
Reserve Estimations and Feasibility Analyses = 66
Environmental Effects of Mineral Exploration = 67
Mineral Extraction Methods = 67
Mining = 68
Pumping and Well Systems = 70
Frontier Exploration and -Production = 72
Environmental Effects of Mineral Extraction = 73
Processing of Mineral Resources = 75
Processing of Metal Ores = 75
Processing of Fossil Fuels = 77
Processing of Industrial Mineral Ores = 78
Environmental Effects of Mineral Processing = 78
Conclusions = 81
5 Mineral Law and Land Access = 82
Types of Land and Mineral Ownership = 82
Landownership and Law in the United States = 84
U.S. Federal Land Laws = 85
Discovery-Claim System = 85
Mineral Leasing System = 87
Administration of U.S. Mineral Laws = 88
State and Local Mineral Laws in the United States = 90
Mineral Ownership and Land Laws Outside the United States = 91
Land Laws in Other Countries = 91
Law of the Sea = 93
Land Access and Land Policy = 93
Land Withdrawal = 93
Land Classification = 96
Conclusions = 97
6 Mineral Economics = 9○
Structure of the Mineral Industry = 9○
Profits in the Mineral Industry = 102
Differing Views of Mineral Profits = 102
Accounting Methods and Mineral Profits = 103
Distribution of Profits and Return on Investment = 104
Mineral Commodity Prices and Mineral Profits = 105
Mineral Commodity Prices = 105
Price Controls and Cartels = 106
Relation of Mineral Profits to Mineral Prices = 108
Mineral Taxation and Mineral Profits = 109
Income Tax and Depletion Allowances = 109
Ad Valorem Taxes = 111
Tariffs and Import Quotas = 113
Relation Between Mineral Revenues and Taxation = 114
Valuation of Mineral Deposits = 115
Conclusions = 116
7 Energy Resources = 117
Fossil Fuels = 117
Coal = 117
Geology and Global Distribution of Coal = 117
Coal Production and Related Environmental Concerns = 119
Coal Use and Quality = 124
Coal Reserves, Resources, Trade, and Transport = 127
Crude Oil and Natural Gas = 129
Geology and Origin of Oil and Gas = 129
Oil and Gas Production and Related Environmental Concerns = 131
Oil and Gas Uses and Quality = 135
Oil and Gas Reserves = 137
Trade and Transport and Related Concerns = 139
Frontier and Unconventional Sources of Oil and Gas = 143
Heavy Oil and Tar Sands = 144
Oil Shale = 145
Other Energy Resources = 147
Nuclear Energy = 147
Geology and Reserves of Uranium = 147
Mining and Processing of Uranium = 149
Uranium Production, Resources, and Trade = 150
Uranium Markets, Reactor Design, and Uranium Reserves = 151
Nuclear Waste Disposal = 155
Geothermal Energy = 157
The Future of Energy Minerals = 161
8 Iron, Steel, and the Ferroalloy Metals = 164
Iron and Steel = 164
Iron Deposits = 166
Iron Mining and Processing and Related Environmental Factors = 169
Iron Ore Reserves, Transportation, and Trade = 170
Steelmaking = 170
Steel Production, Markets, and Trade = 172
Ferroalloy Metals = 174
Manganese = 174
Manganese Deposits and Production = 174
Manganese Reserves and Trade = 176
Manganese Nodules = 177
Nickel = 178
Geology and Distribution of Nickel Deposits = 179
Nickel Production and Related Environmental Concerns = 180
Nickel Trade and Reserves = 181
Chromium = 182
Geology and Distribution of Chromium Deposits = 182
Chromium Production, Trade, and Reserves = 186
Silicon = 187
Cobalt = 187
Cobalt Deposits = 188
Cobalt Production and Trade = 188
Molybdenum = 189
Vanadium = 190
Tungsten = 192
Other Ferroalloy Metals = 194
Columbium (Niobium) = 194
Tellurium = 194
The Future of Ferrous Metals = 195
9 Nonferrous Metals = 196
Light Metals = 196
Aluminum = 197
Geology of Bauxite and Other Aluminum Ore Deposits = 197
Production of Bauxite and Aluminum = 200
Aluminum Markets, Reserves, and Trade = 203
Magnesium = 203
Titanium = 205
Beryllium = 207
Base Metals = 207
Copper = 207
Geology of Copper Deposits = 208
Copper Production and Environmental Concerns = 210
Copper Markets, Reserves, and Trade = 212
Lead and Zinc = 214
Geology of Lead and Zinc Deposits = 214
Lead and Zinc Production and Environmental Concerns = 216
Lead and Zinc Markets, Trade, Reserves, and Related Environmental Concerns = 217
Tin = 220
Geology and Mining of Tin = 220
Tin Reserves, Markets, and Trade = 223
Chemical and Industrial Metals = 223
Rare Earths = 224
Cadmium = 226
Antimony = 227
Germanium = 228
Arsenic = 228
Rhenium = 229
Mercury = 229
Geology of Mercury Deposits and Mercury Reserves = 229
Mercury Production, Uses, and Related Environmental Concerns = 230
Other Chemical and Industrial Metals = 232
Tantalum = 232
Zirconium and Hafnium = 232
Indium = 232
Selenium = 233
Bismuth = 233
Thallium = 233
The Future of Light, Base, and Chemical- Industrial Metals = 233
10 Precious Metals and Gems = 235
Gold = 236
Geology of Gold Deposits = 236
Hydrothermal Deposits = 236
Epithermal Deposits = 236
Mesothermal Deposits = 238
Placer and Paleoplacer Deposits = 239
By-Product Gold = 241
Gold Mining and South African Mine Labor = 241
Gold Production and Related Environmental Concerns = 243
Gold Production and Reserves = 246
Gold Trade and Related Monetary Matters = 247
Silver = 248
Geology of Silver Deposits = 248
Silver Mining, Production, Markets, Trade, and Reserves = 250
Platinum-Group Elements = 251
Geology of Platinum Deposits = 252
Production of the Platinum-Group Elements = 254
Platinum-Group Element Markets, Trade, and Reserves = 254
Gems = 256
Diamonds = 256
Geology of Diamond Deposits = 256
Diamond Mining and Production = 258
Diamond Classification and Gem Diamond Trade and Reserves = 259
The Beryl Group-Emeralds and Aquamarines = 261
The Corundum Group-Rubies and Sapphires = 262
The Future of Precious Metals and Gems = 262
11 Fertilizer and Chemical Industrial Minerals = 263
Limestone, Dolomite, and Lime = 264
Limestone and Dolomite Deposits and Production = 264
Limestone and Lime Markets and Trade = 266
Phosphate = 267
Geology of Phosphate Deposits = 267
Phosphate Production, Use, and Related Environmental Concerns = 268
Phosphate Trade and Reserves = 270
Salt = 271
Salt Deposits and Production = 271
Salt Markets and Trade = 275
Potash = 276
Potash Deposits, Production, and Environmental Concerns = 276
Potash Trade and Reserves = 277
Sulfur = 277
Nitrogen Compounds and Nitrate = 279
Nitrogen Deposits and Production = 279
Nitrogen Fertilizers, Trade, and Related Environmental Concerns = 280
Other Agricultural and Chemical Minerals = 281
Fluorite = 281
Iodine = 283
Sodium Sulfate = 284
Bromine = 285
The Future of Fertilizer and Chemical Minerals = 286
12 Construction and Manufacturing Industrial Minerals = 287
Construction Minerals = 287
Cement = 287
Cement Raw Materials and Production = 289
Cement Markets and Trade = 290
Environmental Damage to Concrete = 291
Construction Aggregate-Crushed Stone and Sand and Gravel = 292
Geology and Production of Aggregate = 292
Environmental Impact of Aggregate Production = 293
Dimension Stone = 293
Lightweight Aggregate and Slag = 296
Gypsum =296
Fillers, Extenders, Pigments, and Filters = 297
Clays = 297
Asbestos = 300
Geology and Production of Asbestos = 300
Asbestos Markets, Trade, and Environmental Concerns = 301
Diatomite = 303
Talc and Pyrophyllite = 304
Barite = 305
Mica = 305
Zeolites = 306
Mineral Pigments = 306
Glass Raw Materials = 307
Quartz Sand = 308
Soda Ash = 308
Boron = 309
Feldspar, Nepheline Syenite, and Aplite = 310
Lithium = 310
Strontium = 311
Abrasive and Refractory Minerals = 311
Industrial and Synthetic Diamond = 312
Other Natural Abrasives = 313
Graphite = 313
Kyanite and Related Minerals = 314
The Future of Construction and Manufacturing Minerals = 314
13 Global Mineral Reserves and Resources = 315
Reserve and Resource Estimation Methods = 315
Geological Estimates = 315
Statistical Estimates = 316
Combined Estimates = 317
Factors That Affect the Adequacy of World Reserves = 318
Stockpiles = 318
Recycling = 319
World Reserves and the Challenge for the Future = 321
References = 324
Appendix Ⅰ World Mineral Production, Reserves, and Reserve Base = 347
Appendix Ⅱ Minerals, Rocks, Geologic Time and Composition of the Crust = 360
Appendix Ⅲ Ore Minerals and Materials = 363
Appendix Ⅳ Units and Conversion Factors = 367
Glossary = 369
Index = 383