Lithofacies paleogeography and exploration significance of Sinian Doushantuo depositional stage in the middle-upper Yangtze region, Sichuan Basin, SW China
Zecheng WANG,Jingjiang LIU,Hua JIANG,Shipeng HUANG,Kun WANG,Zhengyu XU,Qingchun JIANG,Shuyuan SHI,Mengyi REN,Tianyu WANG
Fig. 3. Contact relationship between Doushantuo Formation and the underlying stratum in mid-upper Yangtze.