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ESC110 Chapter Eleven Environmental Geology & Earth Resources. Chapter Eleven Readings & Objectives. Required Readings Cunningham & Cunningham, Chapter Eleven Environmental Geology and Earth Resources. After finishing this chapter, you should be able to:
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Required ReadingsCunningham & Cunningham, Chapter Eleven
Environmental Geology and Earth Resources
After finishing this chapter, you should be able to:
Yucca Mountain is an example of why dynamic earth processes are included in waste storage.
The upper layer of the earth\'s mantle contains magmatic convection currents that break the overlaying crust into a mosaic of tectonic plates.
Mineral versus rock
Rock types & how they are formed
Weathering & sedimentation
Above is water-sculpted sandstone
The rock cycle involves creation, destruction, and metamorphosis. Mechanisms include crushing, folding, melting and recrystallization by dynamic processes related to those same ones that shape the earth\'s crust.
Damage due to air pollutants from smelting (roasting ore to release metals)
Heap-leach extraction is when large piles of crushed ore are sprayed with a alkaline cyanide solution that percolates through the pile to dissolve gold. The effluent is left behind in ponds.
Biggest economic loss is usually contamination (carpet, drywall, drapes, electronics, etc. must be discarded if touched by flood water), not buildings or property carried away.
Many human activities increase both the severity and frequency of floods (e.g., channelization, soil compaction, pavement and rooftops) put more storm runoff into streams quicker.
Floodplains are flat, fertile farmland that help mitigate flooding. Flood control structures (locks, dams, levees, etc.) separate floodplains from rivers and transfer the problems downstream.
Government care of flood victims encourages building and resetlement on floodplains.
beaches and increase erosion
Problems with development on the Barrier Islands sums up environmental issues associated with high real estate properties in treacherous locations of the U.S.