"http://inspire.ec.europa.eu/codelist/LithologyValue/sapropel"^^ . . "2015-08-18 18:05 PM CEST"^^ . "sapropel"@en . "Jelly like organic rich sediment composed of plant remains, usually algal. Liptinite to Inertinite ratio is greater than one (Economic Commission for Europe, Committee on Sustainable Energy- United Nations (ECE-UN), 1998, International Classification of in-Seam Coals: Energy 19, 41 pp.)"@en . . . . . . . . . . . "Jelly like organic rich sediment composed of plant remains, usually algal. Liptinite to Inertinite ratio is greater than one (Economic Commission for Europe, Committee on Sustainable Energy- United Nations (ECE-UN), 1998, International Classification of in-Seam Coals: Energy 19, 41 pp.)"@en . . "sapropel"@en . .