sapropelic deposit

Mira otros diccionarios:

• sapropel — sapropelic, adj. /sap reuh pel /, n. mud consisting chiefly of decomposed organic matter formed at the bottom of a stagnant sea or lake. [1905 10; SAPRO + pel < Gk pelós mud] * * * ▪ geology       unconsolidated sedimentary deposit rich in… …   Universalium

• Oil shale in Estonia — Outcrop of Ordovician kukersite oil shale, northern Estonia Oil shale in Estonia is an important resource for the national economy. Estonia s oil shale deposits account for just 17% of total deposits in the European Union but the country… …   Wikipedia

• coal — coalless, adj. /kohl/, n. 1. a black or dark brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Cf. anthracite, bituminous coal, lignite. 2. a piece of glowing, charred, or burned wood or other… …   Universalium