. . "http://inspire.ec.europa.eu/codelist/LithologyValue/biogenicSilicaSedimentaryRock"^^ . "biogenic silica sedimentary rock"@en . . "Sedimentary rock that consists of at least 50 percent silicate mineral material, deposited directly by biological processes at the depositional surface, or in particles formed by biological processes within the basin of deposition."@en . "2015-08-18 18:01 PM CEST"^^ . . . "biogenic silica sedimentary rock"@en . . . . . . "Sedimentary rock that consists of at least 50 percent silicate mineral material, deposited directly by biological processes at the depositional surface, or in particles formed by biological processes within the basin of deposition."@en . . . .