Heterogeneous geological conditions and differential enrichment of medium and high maturity continental shale oil in China

HU Suyun,BAI Bin,TAO Shizhen,BIAN Congsheng,ZHANG Tianshu,CHEN Yanyan,LIANG Xiaowei,WANG Lan,ZHU Rukai,JIA Jinhua,PAN Zhejun,LI Siyang,LIU Yuxi

Fig. 4. Maceral characteristics of shale samples from freshwater and saline lake basins. Al—algae, LD—liptodetrinite, CD—vitrodetrinite, T—telinite, SF—semifusinite, MB—matrix bitumen, Mis—small sporophyte, Py—pyrite, O—oil trace.