The Jurassic System with large thickness is ubiquitous in the northeastern part of the Tarim Basin, one of the biggest oil and gas basins in China.

• 摘要塔里木盆地是中国最大的含油气盆地，其东北部的侏罗系分布面积广、厚度大，主要发育一套煤系烃源岩。