en2015-08-18 18:01 PM CESThttp://inspire.ec.europa.eu/codelist/LithologyValue/alkaliFeldsparSyenite:1http://inspire.ec.europa.eu/codelist/LithologyValue/alkaliFeldsparSyeniteAlkali feldspar syenitic rock that contains 0-5 percent quartz and no feldspathoid in the QAPF fraction. QAPF field 6.