Petrological characteristics and shale oil enrichment of lacustrine fine-grained sedimentary system: A case study of organic-rich shale in first member of Cretaceous Qingshankou Formation in Gulong Sag, Songliao Basin, NE China |
Bo LIU,Jiaxin SHI,Xiaofei FU,Yanfang LYU,Xianda SUN,Lei GONG,Yunfeng BAI |
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Fig. 1. Location of the study area and stratigraphic column of the Qing-1 Member. |