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12-1 Environmental Geology James Reichard Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
12-2 Chapter 12 Mineral and Rock Resources
12-4 Minerals and People Mineral resource - rock, mineral or element important to humans Mineral resource - rock, mineral or element important to humans
12-5 Economic Mineral Deposits Ore deposits Ore deposits High grade High grade Low grade Low grade Reserve Reserve Economic Economic Marginally economic Marginally economic Sub economic Sub economic
12-6 Resources & Reserves
12-7 Geology of Mineral Resources Igneous Processes Igneous Processes Diamond pipes (Kimberlite) Diamond pipes (Kimberlite) Intrusive deposits Intrusive deposits Layered deposits Layered deposits Hydrothermal deposits Hydrothermal deposits Disseminated deposits Disseminated deposits Massive sulfide deposits Massive sulfide deposits
12-8 Geology of Mineral Resources Metamorphic processes Metamorphic processes Regional metamorphism Regional metamorphism Contact metamorphism Contact metamorphism
12-9 Geology of Mineral Resources Sedimentary processes Sedimentary processes Placer deposits Placer deposits Residual weathering products Residual weathering products Banded iron deposits Banded iron deposits Evaporates Evaporates Phosphorites Phosphorites
12-10 Mining & Processing of Minerals Mining Techniques Mining Techniques Surface mining Surface mining Open pit Open pit Strip Strip Underground Underground Placer Placer
12-11 Mining & Processing of Minerals Mineral processing Mineral processing Physical separation Physical separation Smelting Smelting Leaching Leaching
12-12 Distribution & Supply of Mineral Resources
12-13 Supply of Mineral Resources Meeting future demand Meeting future demand Recycling Recycling Reusing Reusing
12-14 Supply of Mineral Resources
12-15 Supply of Mineral Resources
12-16 Environmental Impacts & Mitigation General Mining Act 1872 General Mining Act 1872 Clean Air Act 1970 Clean Air Act 1970 Clean Water Act 1972 Clean Water Act 1972
12-17 Environmental Impacts & Mitigation Heavy metals and acid drainage Heavy metals and acid drainage
12-18 Environmental Impacts & Mitigation Processing of ores Processing of ores Collapse and subsidence Collapse and subsidence Abandon mine hazards Abandon mine hazards
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