en2015-08-18 18:02 PM CESThttp://inspire.ec.europa.eu/codelist/LithologyValue/foidBearingAlkaliFeldsparTrachyte:1http://inspire.ec.europa.eu/codelist/LithologyValue/foidBearingAlkaliFeldsparTrachyteAlkali feldspar trachytic rock that contains no quartz and between 0 and 10 percent feldspathoid mineral in the QAPF fraction. QAPF field 6'.