New scheme for subdivision and age determination of the Lower Cretaceous of Beishan area near Gansu-Inner Mongolia border,China
ZHANG Mingzhen, LIU Guolong, DAI Shuang, CHEN Shiqiaing, LI Aijing, JIAO-BA Dunzhu, ZHANG Jing, LIN Shaohua
JOPC . 2023, (2): 497 -510 .  DOI: 10.7605/gdlxb.2023.02.031