Fan delta system, lacustrine delta system, inshore subaqueous fan system, tubidite system in deep water and lacus trine system were identified in this formation based on modern sedimentology.

• 根据现代沉积学研究结果，在黄骅坳陷中部沙河街组划分出5种沉积体系：扇三角洲体系、湖泊三角洲体系、近岸水下扇体系、深水浊积体系和湖泊体系。