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carbonic acid disolves calcite in rocks and minerals
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chemical weathering [image] |
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Chemical weathering is the process by which rocks are decomposed, dissolved or loosened by chemical processes to form residual materials. |
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a slow adjustment of soil and rocks that is so hard to notice |
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Erosion is the carrying away or displacement of solids |
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its when the older top layer of the rock face is eroded away to reviel the next layer |
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Hydrolysis is a chemical reaction during which one or more water molecules are split into hydrogen and hydroxide ions |
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When water infiltrates fractures in rock and freezes, the force of expansion is great enough to break the rock into smaller pieces. |
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A landslide is a geological phenomenon which includes a wide range of ground movement, such as rock falls, deep failure of slopes |
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Mass movement is the down slope movement of earth materials under the influence of gravity. |
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mechanical weathering [image] |
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Mechanical weathering takes place when rocks are broken down without any change in the chemical nature of the rocks. |
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A mudflow or mudslide is the most rapid (up to 80 km/h / 50 mph) and fluid type of downhill mass wasting. |
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In chemistry, the oxidation state is an indicator of the degree of oxidation of an atom in a chemical compound. |
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Parent material, in soil science, means the underlying geological material ( generally bedrock or a superficial or drift deposit) |
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The soil that is remaining after the soluble elements have been dissolved |
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Soil is the naturally occurring, unconsolidated or loose covering on the Earth's surface. |
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But 'accelerated' soil erosion — loss of soil at a much faster rate than it is |
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Soil Profile refers to the layers of soil; horizon A, B, and C. If you're wondering what horizon A is, here's your answer: horizon A refers to the upper |
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Subsoil (also called substrata) is the layer of soil under the topsoil on the surface of the ground. |
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Topsoil is the upper, outermost layer of soil, usually the top 2 to 8 inches. It has the highest concentration of organic matter |
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If the soil forms from material that was transported to the location by erosion, it is transported soil. |
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Weathering is the decomposition of earth rocks, soils and their minerals through direct contact with the planet's atmosphere |
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An aquifer is an underground formation of permeable rock or loose material which can produce useful quantities of water when tapped by a well. |
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