en2015-08-18 18:05 PM CESThttp://inspire.ec.europa.eu/codelist/LithologyValue/wacke:1http://inspire.ec.europa.eu/codelist/LithologyValue/wackeClastic sandstone with more than 10 percent matrix of indeterminate detrital or diagenetic nature. Matrix is mud size silicate minerals (clay, feldspar, quartz, rock fragments, and alteration products).