en2015-08-18 18:05 PM CESThttp://inspire.ec.europa.eu/codelist/LithologyValue/tephrite:1http://inspire.ec.europa.eu/codelist/LithologyValue/tephriteTephritoid that has a plagioclase to total feldspar ratio greater than 0.9, and contains less than 10 percent normative (CIPW) olivine.