
<ecology> Soils having significantly more clay in the B-horizon than in the A-horizon and high base status. ... (09 Oct 1997) ...
Found on
http://www.encyclo.co.uk/local/20973

Soil order (type) of the United States Natural Resources Conservation Service Soil Classification System. Soil associated with forest vegetation. Upper layers of this soil are relatively rich in organic matter. Whitish layer found in the A horizon because of eluviation. Illuvial layer forms in the B horizon.
Found on
http://www.physicalgeography.net/physgeoglos/a.html

An order of soils with a medium-to-high base supply, horizons of clay accumulation, and gray-brown surface horizons.
Found on
https://www.encyclo.co.uk/local/20128
No exact match found.