illuviation


illuviation
/i looh'vee ay"sheuhn/, n.
the accumulation in one layer of soil of materials that have been leached out of another layer.
[1925-30; ILLUVI(AL) + -ATION]

* * *

Accumulation of dissolved or suspended soil materials in one area or layer as a result of leaching (percolation) from another.

Usually clay, iron, or humus wash out and form a line with a different consistency and color. These lines are important for studying the composition and ages of rock strata.

* * *


Universalium. 2010.

Look at other dictionaries:

  • illuviation — [ i(l)lyvjasjɔ̃ ] n. f. • mil. XXe; du lat. illuvio « débordement » ♦ Pédol. Processus d accumulation d éléments étrangers dans un horizon du sol. ● illuviation nom féminin Phénomène d accumulation de matière dans un horizon de sol, par apport… …   Encyclopédie Universelle

  • illuviation — [i lo͞o΄vē ā′shən] n. [see ILLUVIUM & ATION] the accumulation in an underlying soil layer of materials, as colloids or soluble salts, that have been leached out of an upper layer …   English World dictionary

  • Illuviation — L illuviation (à ne pas confondre avec éluviation) est l accumulation progressive dans une couche du sol (ou horizon) de diverses substances déposées par l infiltration des eaux (percolation). Habituellement, l argile, le fer, l humus se… …   Wikipédia en Français

  • 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

  • illuviation — noun The accumulation of suspended material and soluble compounds leached from an overlying stratum …   Wiktionary

  • illuviation —   inward movement of clays, minerals and organic matter to a low soil horizon From one above …   Geography glossary

  • illuviation — il·lu·vi·a·tion …   English syllables

  • illuviation — il•lu•vi•a•tion [[t]ɪˌlu viˈeɪ ʃən[/t]] n. agr. gel the accumulation in one layer of soil of materials that have been leached out of another layer • Etymology: 1925 …   From formal English to slang

  • illuviation — (ˌ) ̷ ̷ˌ ̷ ̷ ̷ ̷ˈāshən noun ( s) Etymology: in (II) + luviation (as in alluviation) : accumulation of dissolved or suspended soil materials in one area or horizon as a result of eluviation from another …   Useful english dictionary

  • zoneof illuviation — zone of illuviation n. See B horizon. * * * …   Universalium


Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.