·adj Consisting of, or containing, clay and calcareous earth.
·adj Partaking of the nature of calcite or calcium carbonate; consisting of, or containing, calcium ...
Webster's Dictionary of the English Language
·adj Consisting of, or containing, clay and sand, as a soil. ...
·adj Containing clay and iron. ...
·adj Partaking of the nature of, or consisting of, mica and lime; — applied to a mica schist contai...