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. 4. Across-well source rock profile of the Lower Cambrian Qiongzhusi Formation at the northwest margin of Yangtze craton region (profile location in Fig. 1).