Types and resource potential of continental shale oil in China and its boundary with tight oil
ZHAO Wenzhi,HU Suyun,HOU Lianhua,YANG Tao,LI Xin,GUO Bincheng,YANG Zhi
Fig. 5. Comparison of the geochemical indexes between the Triassic Chang 7 shale in the Ordos Basin and the Cretaceous Nen 1 shale in the Songliao Basin.