Environmental GeologyIntended for the introductory-level college course, the principal aim of this text is to present the student with a broad overview of environmental geology. The text looks both at how the earth developed into its present condition and where matters seem to be moving for the future. It is hoped that this knowledge will provide the student with a useful foundation for discussing and evaluating specific environmental issues, as well as for developing ideas about how the problems should be solved. |
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Page 36
... gneiss , " and so on . Several examples of metamorphic rocks are illustrated in figure 2.12 . Low temperature , pressure Weathering , sedimentation , lithification SEDIMENTARY 36 Foundations SECTION ONE Metamorphic Rocks.
... gneiss , " and so on . Several examples of metamorphic rocks are illustrated in figure 2.12 . Low temperature , pressure Weathering , sedimentation , lithification SEDIMENTARY 36 Foundations SECTION ONE Metamorphic Rocks.
Page 40
... Rocks are cohesive solids formed from rock or mineral grains or glass . The way in which rocks form determines how ... metamorphic rocks , formed from preexist- ing rocks through the application of heat and pressure . Through time ...
... Rocks are cohesive solids formed from rock or mineral grains or glass . The way in which rocks form determines how ... metamorphic rocks , formed from preexist- ing rocks through the application of heat and pressure . Through time ...
Page 519
... rocks or rocks containing bubbles are volcanic . 2. Coarse - grained rocks ... metamorphic rocks are distinguished by their foli- ation ( schistosity ... Rock Identification 519 APPENDIX C Rock Identification.
... rocks or rocks containing bubbles are volcanic . 2. Coarse - grained rocks ... metamorphic rocks are distinguished by their foli- ation ( schistosity ... Rock Identification 519 APPENDIX C Rock Identification.
Contents
An Overview of Our Planetary Environment | 2 |
CHAPTER | 3 |
CHAPTER | 6 |
Copyright | |
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active aquifer areas asthenosphere atmosphere atoms basalt basin beach building carbon cause chapter chemical clay climate coal coastal continental continental drift continents crust crystals damage deposits earth earthquake energy epicenter erosion eruption estimated example fault zone figure flood flow formed fuels glaciers global ground water growth hazards heat igneous increase kilometers Lake land landslides lava layer lithosphere magma magnetic magnitude major mantle material melt metamorphic metamorphic rocks meters minerals Mount Pinatubo Mount St National natural occur ocean Photograph courtesy plants plate boundaries plate tectonics population problems processes pyroclastic recharge region relatively result rise River rock cycle runoff San Andreas fault sand seafloor seafloor spreading sediment sedimentary rocks seismic silicates slide slope soil solar Source spreading ridges stream stress structures subduction zone surface surface runoff temperatures tion U.S. Geological Survey United USGS Photo Library volcanoes waves weathering wind