Illuviation
[ih-loo-vee-ey-shuh n] /ɪˌlu viˈeɪ ʃən/
noun
1.
the accumulation in one layer of soil of materials that have been leached out of another layer.
/ɪˌluːvɪˈeɪʃən/
noun
1.
the process by which a material (illuvium), which includes colloids and mineral salts, is washed down from one layer of soil to a lower layer
illuviation
(ĭ-l’vē-ā’shən)
The deposition of colloids, soluble salts, and suspended mineral particles in a lower soil horizon through the process of eluviation (downward movement) from an upper soil horizon.
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