R Wenlin, Z Bowen, S Chunmei, Z Yafei… - Chinese Journal of …, 2023 - en.dzkx.org
The volcanic rocks of the Keleqinghe Formation are interbedded with calcareous shale and limestone of the Lower Triassic Keleqinghe Formation (T 3 k) in the south of Tianshui Haitian …