Enrichment and exploration of deep lacustrine shale oil in the first member of Cretaceous Qingshankou Formation, southern Songliao Basin, NE China
ZHANG Junfeng,XU Xingyou,BAI Jing,LIU Weibin,CHEN Shan,LIU Chang,LI Yaohua
Fig. 1. Structural division and a composite stratigraphic columnar section of the south part of Songliao Basin.