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18 Cards in this Set
- Front
- Back
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Weathering |
Refers to all processes that cause rock to disintegrate |
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Physical weathering |
Rocks are broken up wihout chemical change |
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Block disintegration |
Successive heating and cooling |
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Exfoliation |
Intense heating of outer layers |
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Frost action |
Important in cold climatez |
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Chemical weathering |
Chemical change in rocks, new substance or new compounds |
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Oxidation |
Oxygen, chemical weathering |
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Carbonation |
Formation of carbonates chemical weathering |
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Hydration |
Water is absorbed by minerals |
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Solution |
Some minerals get dissolved in water |
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Biotic weathering |
Plant roots, burrowing animals, humans |
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Erosion |
Removal of soil |
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Wind erosion |
Wind carries away vast quantity of fine soil |
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Sheet erosion |
Water moves away in sheets |
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Rill erosion |
Removal of surface material, usually by soil, by the action of running water |
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Gully erosion |
When water moves as a channel downslope scooping soil and forms gullies |
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Mass Wasting |
Refers to the downslope movement of rock under the influence of gravity |
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Fall |
Free-fall movement of detached rock |
