Source-to-sink system during Yageliemu period of Early Cretaceous in Tahe and southern Tianshan areas

Based on drilling, seismic and outcrop data, the source-to-sink system and the configuration of sedimentary systems in the Tahe and southern Tianshan areas during the Yageliemu period of the Early Cretaceous were studied. Bounded with the Yakela fault arch and characterized by significant north and south zonality in landform structure, the Cretaceous was thin on the top and thick on the flanks, and was partially missing on the top of the uplift. The source-to-sink system was obviously controlled by landform, developing 3 source areas (northern, southern and eastern) and 2 sink centers (Tahe and Kuqa). Surrounding the Tahe sink center, the fan delta group with the Yakela fault arch short source developed, and the braided delta group with the Yaken, Yuqi, Jilake, Akeyasu and Tuoputai sources developed. The Yakela fault arch played a significant role in sedimentary system distribution.