Development characteristics and formation mechanism of Ordovician paleokarst in the Huainan Coalfield
XU Guangquan, YANG Tingting, WANG Chuanbing, CHENG Haiyan, ZHU Changhuai, ZHOU Jisheng, HE Shifang
Earth Science Frontiers . 2026, (1): 354 -368 .  DOI: 10.13745/j.esf.sf.2025.10.32