illuvial


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illuvial

[i′lü·vē·əl]
(geology)
Pertaining to a region or material characterized by the accumulation of soil by the illuviation of another zone or material.
References in periodicals archive ?
The soil of the hills west and east of the banks in the Mures Couloir are mainly brown eumesobasic soils and brown illuvial argillaceous soils, which can be found in standard formats on the wide flat peaks and in various stages of erosion on the slopes, where they are frequently combined with regosols and even erodisols, often anthropically modified by means of earthwork and fertilisation.
Sod-podzolic soil is the most common soil type in Latvia, but illuvial humus podzol is common only in lowlands (Karklins et al.
The recent floodplain soils lack horizonation, illuvial accumulations, and soil structure.
Soil Order Description Use Alfisol Usually deciduous forest soils of temperate Cropland, moist climates, light colored, slightly to forest, moderately acid with illuvial layer high in range silicate clays.
The interval from 66-112 cm is also now part of the BC horizon of the surface soil and an illuvial horizon (B'X) of the fragipan.
The second layer, an illuvial E horizon, is similar to the surface horizon, but with a lower humus content and lighter color.
Ultisols--Soils that are low in supply of bases and have subsurface horizons of illuvial clay accumulation.
Soil texture is silty in the eluvial horizons and clayey in the illuvial horizons.
The illuvial B horizon began developing during forest aggradation and continually deepened with increasing dune age as Fe, Al, and organic matter were transported downward in the soil profile.
The representative soils are the psammosols (PS) or soils into which they have subsequently evolved during the process of changing into chernozems--levigated and brown-red sandy chernozems found on the dunes, followed by the levigated, cambic and/or illuvial clayilluvial--illuvial chernozems of the loess plain.