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argillic horizon
argillic horizon A sub-surface B soil horizon that is identified by the illuvial (see illuviation) accumulation of silicate clays. The amount of clay necessary is defined in comparison with the quantity in the overlying eluvial (see eluviation) horizon, but is at least 20 per cent more. Cutans (clay skins) may be used to help identify an argillic horizon. It is at least one-tenth as thick as overlying horizons.
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MICHAEL ALLABY. "argillic horizon." A Dictionary of Ecology. 2004. Encyclopedia.com. 10 Feb. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "argillic horizon." A Dictionary of Ecology. 2004. Encyclopedia.com. (February 10, 2012). http://www.encyclopedia.com/doc/1O14-argillichorizon.html MICHAEL ALLABY. "argillic horizon." A Dictionary of Ecology. 2004. Retrieved February 10, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O14-argillichorizon.html |
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argillic horizon
argillic horizon Subsurface B soil horizon that is identified by the illuvial (see ILLUVIATION) accumulation of silicate clays. The amount of clay necessary is defined in comparison with the quantity in the overlying eluvial (see ELUVIATION) horizon, but is at least 20 per cent more. Cutans (clay skins) may be used to help identify an argillic horizon. It is at least one-tenth as thick as overlying horizons.
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Cite this article
MICHAEL ALLABY. "argillic horizon." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 10 Feb. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "argillic horizon." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (February 10, 2012). http://www.encyclopedia.com/doc/1O7-argillichorizon.html MICHAEL ALLABY. "argillic horizon." A Dictionary of Plant Sciences. 1998. Retrieved February 10, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O7-argillichorizon.html |
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argillic horizon
argillic horizon Sub-surface B soil horizon that is identified by the illuvial (see ILLUVIATION) accumulation of silicate clays. The amount of clay necessary is defined in comparison with the quantity in the overlying eluvial (see ELUVIATION) horizon, but is at least 20% more. Cutans or clay skins may be used to help identify an argillic horizon. It is at least one-tenth as thick as the overlying horizons.
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Cite this article
AILSA ALLABY and MICHAEL ALLABY. "argillic horizon." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 10 Feb. 2012 <http://www.encyclopedia.com>. AILSA ALLABY and MICHAEL ALLABY. "argillic horizon." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (February 10, 2012). http://www.encyclopedia.com/doc/1O13-argillichorizon.html AILSA ALLABY and MICHAEL ALLABY. "argillic horizon." A Dictionary of Earth Sciences. 1999. Retrieved February 10, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-argillichorizon.html |
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