THE BASIC GEOCHEMICAL CHARACTERISTIC OF THE SOURCE ROCKS IN SONGLIAO AND OTHER BASINS OF NON-MARINE FACIES

Six geochemical characteristics of the source rocks in Songliao and other basins of non-marine facies are discussed in this paper.They are: (1) Low aromatic hydrocarbon in bitumen; (2) The functional relation between aromatic hydrocarbons and non-hydrocarbons; (3) Characteristics of nalkanes; (4) Characteristics of isoalkanes; (5) Characteristics of cycloalkanes; (6) Characteristics of aromatic hydrocarbons. In the last part of the article, two essential stages of oil generation of non-marine facies are discussed.