http://inspire.ec.europa.eu/codelist/LithologyValue/alkaliFeldsparSyeniteINSPIRE Registry teamJRC-INSPIRE-SUPPORT@ec.europa.euhttp://inspire.ec.europa.eu/registry2015-08-18 18:01 PM CEST2015-08-18 18:01 PM CESTalkali feldspar syeniteAlkali feldspar syenitic rock that contains 0-5 percent quartz and no feldspathoid in the QAPF fraction. QAPF field 6.