"basic igneous material"@en . . . . . . "Igneous material with between 45 and 52 percent SiO2."@en . "basic igneous material"@en . . . "2015-08-18 17:31 PM CEST"^^ . . . "http://inspire.ec.europa.eu/codelist/LithologyValue/basicIgneousMaterial"^^ . . "Igneous material with between 45 and 52 percent SiO2."@en . . . . .