Weidongzhuang Formation is of meta-clastics with characteristics of arc-basin clastics. 卫东庄组为一变质碎屑岩建造,具弧盆碎屑岩沉积特征。
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。