Gleysol

A Gleysol (gley is dialectical word глей, literally `clay`) in the FAO World Reference Base for Soil Resources is a wetland soil (hydric soil) that, unless drained, is saturated with groundwater for long enough periods to develop a characteristic gleyic colour pattern. This pattern is essentially made up of reddish, brownish or yellowish col.....
Found on http://en.wikipedia.org/wiki/Gleysol

Gleysol

one of the 30 soil groups in the classification system of the Food and Agriculture Organization (FAO). Gleysols are formed under waterlogged ...
Found on http://www.britannica.com/eb/a-z/g/37
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