Sinian hydrocarbon accumulation conditions and exploration potential at the northwest margin of the Yangtze region, China
YANG Yu,WANG Zecheng,WEN Long,XIE Wuren,FU Xiaodong,LI Wenzheng
Fig. 2. Paleogeographic map in the depositional stage of the Doushantuo Formation-Dengying Formation in the northwest margin of Yangtze craton region.