. "clay"@en . "Mud that consists of greater than 50 percent particles with grain size less than 0.004 mm"@en . . . . . . "2015-08-18 18:02 PM CEST"^^ . . . . "Mud that consists of greater than 50 percent particles with grain size less than 0.004 mm"@en . . . "clay"@en . "http://inspire.ec.europa.eu/codelist/LithologyValue/clay"^^ . . .