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A mild acid formed when water and carbon dioxide chemically combine in the atmosphere and soil.This acid is a very important component in the development of cave decorations (speleothems). |
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chemical weathering [image] |
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The process that changes the chemical makeup of a rock or mineral at or near the Earth’s surface. Chemical weathering alters the internal structure of minerals by the removing and/or adding elements. Compare with mechanical weathering.
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| The slowest form of mass movement, measured in millimeters or centimeters per year and occurring on virtually all slopes. cross bed A bed made up of particles dropped from a moving current, as of wind or water, and marked by a downward slope that indicates the direction of the current that deposited them. |
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| The process by which particles of rock and soil are loosened, as by weathering, and then transported elsewhere, as by wind, water, ice, or gravity. |
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| A physical weathering process in which concentric layers of rock are removed from an outcrop. |
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| A chemical reaction involving water that results in the breakdown of mineral material. |
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