The Jurassic sedimentary environment of Yanqi Basin has lots of deep-water sedimentary features in coal-bearing beds. 对新疆焉耆盆地沉积环境的研究发现，其侏罗系含煤系地层具有大量深水沉积特征，与传统浅水成煤的观点相悖。
Lower-Middle fresh lacustrine shale and coal measures with huge thickness have been found in the petroleum system of the northern Qaidam basin. 柴达木盆地北缘侏罗系含油气系统具有巨厚的下侏罗统湖相泥岩和中侏罗统煤系地层。
