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alluvial deposits

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См. также в других словарях:

  • alluvial deposits — alluvium …   Dictionary of ichthyology

  • alluvial plain remnant —    An erosional remnant of an alluvial plain which retains the surface form and alluvial deposits of its origin but was not emplaced by, and commonly does not grade to a present day stream or drainage network.    Compare: alluvial plain,… …   Glossary of landform and geologic terms

  • alluvial deposit — Material deposited by rivers. It consists of silt, sand, clay, and gravel, as well as much organic matter. Alluvial deposits are usually most extensive in the lower part of a river s course, forming floodplains and deltas, but they may form at… …   Universalium

  • alluvial plain — /əluviəl ˈpleɪn/ (say uhloohveeuhl playn) noun a river flood plain with a surface covered by alluvial deposits …  

  • Alluvial — Al*lu vi*al, a. [Cf. F. alluvial. See {Alluvion}.] Pertaining to, contained in, or composed of, alluvium; relating to the deposits made by flowing water; washed away from one place and deposited in another; as, alluvial soil, mud, accumulations,… …   The Collaborative International Dictionary of English

  • Alluvial fan — An alluvial fan is a fan shaped deposit formed where a fast flowing stream flattens, slows, and spreads typically at the exit of a canyon onto a flatter plain. A convergence of neighboring alluvial fans into a single apron of deposits against a… …   Wikipedia

  • alluvial fan — Physical Geog. a fan shaped alluvial deposit formed by a stream where its velocity is abruptly decreased, as at the mouth of a ravine or at the foot of a mountain. Also called alluvial cone. [1870 75] * * * ▪ geological feature  unconsolidated… …   Universalium

  • alluvial plain — noun a flat resulting from repeated deposits of alluvial material by running water • Syn: ↑alluvial flat • Hypernyms: ↑flat * * * noun 1. : a level or gently sloping flat or a slightly undulating land surface resulting from extensive deposition… …   Useful english dictionary

  • alluvial flat — noun a flat resulting from repeated deposits of alluvial material by running water • Syn: ↑alluvial plain • Hypernyms: ↑flat …   Useful english dictionary

  • alluvial —    Pertaining to or composed of alluvium or deposited by a stream or running water [6]. Also applies to material lining the floor of a cave and deposits at the mouth of a spring …   Lexicon of Cave and Karst Terminology

  • alluvial corrosion —    Greater intensity of solution, caused by the passage of water through unconsolidated deposits rich in carbon dioxide, thus increasing aggressivity [19].    See also corrosion, accelerated corrosion …   Lexicon of Cave and Karst Terminology

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