alluvial deposit

См. также в других словарях:

• alluvial deposit — noun clay or silt or gravel carried by rushing streams and deposited where the stream slows down • Syn: ↑alluvial sediment, ↑alluvium, ↑alluvion • Derivationally related forms: ↑alluvial (for: ↑alluvium) …   Useful english dictionary

• 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 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 sediment — noun clay or silt or gravel carried by rushing streams and deposited where the stream slows down • Syn: ↑alluvial deposit, ↑alluvium, ↑alluvion • Derivationally related forms: ↑alluvial (for: ↑alluvium) …   Useful english dictionary

• deposit — /di poz it/, v.t. 1. to place for safekeeping or in trust, esp. in a bank account: He deposited his paycheck every Friday. 2. to give as security or in part payment. 3. to deliver and leave (an item): Please deposit your returned books with the… …   Universalium

• alluvial — I. adjective Date: 1802 relating to, composed of, or found in alluvium < alluvial soil > < alluvial diamonds > II. noun Date: 1841 an alluvial deposit …   New Collegiate Dictionary

• alluvial fan — /əˌluviəl ˈfæn/ (say uh.loohveeuhl fan) noun 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, alluvial cone …  

• alluvial soil — noun a fine grained fertile soil deposited by water flowing over flood plains or in river beds • Hypernyms: ↑soil, ↑dirt • Substance Holonyms: ↑alluvial sediment, ↑alluvial deposit, ↑alluvium, ↑alluvion …   Useful english dictionary

• alluvial fan — noun Date: 1873 the alluvial deposit of a stream where it issues from a gorge upon a plain or of a tributary stream at its junction with the main stream …   New Collegiate Dictionary

• alluvial fan — allu′vial fan′ n. geo gel a fan shaped alluvial deposit formed by a stream where its velocity is abruptly decreased, as at the mouth of a ravine …   From formal English to slang

• 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