adjective see illuviation

New Collegiate Dictionary. 2001.

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  • illuviation — noun Etymology: 2in + luviation (as in eluviation) Date: 1928 accumulation of dissolved or suspended soil materials in one area or horizon as a result of eluviation from another • illuviated adjective …   New Collegiate Dictionary

  • Soil horizon — Soil samples illustrating horizons (subsoil on right) A soil horizon is a specific layer in the land area that is parallel to the soil surface and possesses physical characteristics which differ from the layers above and beneath …   Wikipedia

  • Seatearth — is a British coal mining term, which is used in the geological literature. As noted by Jackson (1997), a seatearth is the layer of sedimentary rock underlying a coal seam. Seatearths have also been called seat earth , seat rock , or seat stone in …   Wikipedia

  • Brown earth — is a type of soil. Brown earths are mostly located between 30° and 55° north of the Equator. The largest expanses cover western and central Europe, large areas of western and trans Uralian Russia, the east coast of America and eastern Asia. Here …   Wikipedia

  • Podsolisation — is an extreme form of leaching which causes the eluviation of iron and aluminium sesquioxides.The process generally occurs in areas where precipitation is greater than evapotranspiration. The minerals are removed by a process known as… …   Wikipedia

  • illuviate — /i looh vee ayt /, v.i., illuviated, illuviating. 1. to undergo illuviation. 2. to produce illuviation. [ < L illuvi(es) mud (see ILLUVIAL) + ATE1] * * * …   Universalium

  • leaching — Loss of soluble substances and colloids from the top layer of soil by percolating precipitation. The materials are carried downward and are generally redeposited in a lower layer. This transport results in a porous and open top layer and a dense …   Universalium

  • lamella —     a) [ soil ]    A thin (< 7.5 cm thick), discontinuous or continuous, generally horizontal layer of fine material (especially clay and iron oxides) that has been pedogenically concentrated (illuviated) within a coarser (e.g., sandy),… …   Glossary of landform and geologic terms

  • illuviate — [i lo͞o′vē āt΄] vi. illuviated, illuviating to be subjected to illuviation …   English World dictionary

  • illuvial — (ˈ)i|lüvēəl, vyəl also (ˈ)il|yü adjective Etymology: in (II) + luvial (as in alluvial) : of, relating to, or marked by illuviation or illuviated materials or areas illuvial soil …   Useful english dictionary

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