Characteristics of "Guangyuan-Wangcang" trough during Late Middle Permian and its petroleum geological significance in northern Sichuan Basin, SW China

WANG Xingzhi,LI Bo,YANG Xiyan,WEN Long,XU Liang,XIE Shengyang,DU Yao,FENG Mingyou,YANG Xuefei,WANG Yaping,PEI Senqi

Fig. 13. Schematic diagram of the formation of “Guangyuan-Wangcang” trough during the late depositional stage of the Maokou Formation in the northern Sichuan Basin.