///The oil shale body in SongliaoBasin occurred in the first section of Qingshankou Formation and the first second section of Nenjing Formation in Upper Cretateous rocks which buried in shallow layer and flatly dipped. The metallogeny of oil shale deposits in the basin is of typical deep-lake face oil shale deposits beared in basin sequence stratigraphies were the production of the depressinnal peiod of the first section of Qingshankou Formation and the second section of Nenjiang formation which known as the two perinds of lake-flowing.