WEATHERING AND MASS MOVEMENT (Chapter 16) - Lecture Outline
Last updated: 04/08/07
Basic considerations
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Weathering produces all soils, etc. | |
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Erosion - removal of sediments | |
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Mass wasting |
1. Weathering and the rock cycle
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Weathering definition | |
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Erosion and mass transport |
2. Controls on weathering
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Properties of the parent rock | |
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Climate | |
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Soil | |
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Time |
3. Chemical weathering
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Interaction of air and water with minerals
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Surface area | |||||||
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Carbon dioxide | |||||||
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Relative stability of minerals | |||||||
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Oxygen and oxidation |
4. Physical weathering
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Joints | |
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Activity of plants and animals | |
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frost wedging | |
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exfoliation | |
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duration of weathering | |
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bedrock type | |
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climate | |
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topography |
5. Soils
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input material | |
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losses | |
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transformations and translocations |
6. Mass wasting
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definition of mass wasting | |||||||||
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mass movement | |||||||||
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nature of slope materials
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triggers of mass movement |
7. Classifications of mass movements
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Characteristics
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Rock falls | |||||||||||||||
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Rock slides | |||||||||||||||
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Rock avalanches | |||||||||||||||
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Unconsolidated mass movements
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examples of landslide disasters |