Petrologic characteristics and sedimentary environments of bituminous sandstone in the Proterozoic Xiamaling Formation of Jibei Depression, Yanshan region
Zhu Yi-Xiu, Yang Cheng-Yu, Wang Huan, Xiao Jin-Guang
JOPC . 2019, (3): 431 -440 .  DOI: 10.7605/gdlxb.2019.03.026