Genesis of black rock series of Upper Permian Dalong Formation in Hefeng area, Hubei province: an evidence from the analysis of element geochemistry in Well HD1
Wang Xiuping, Mou Chuanlong, Xiao Zhaohui, Zheng Binsong, Chen Yao, Wang Qiyu, Liu Weiqing
Acta Petrolei Sinica . 2018, (12): 1355 -1369 .  DOI: 10.7623/syxb201812004