Sedimentary facies types and distribution characteristics of Upper Cretaceous Qingshankou Formation shale strata in Changling Sag, Songliao Basin
DONG Qinwei, MENG Qingtao, WANG Ying, HU Fei, YU Hao, TANG Baiqiang, ZHANG Enwei
World Geology . 2025, (1): 56 -69 .