A high-resolution record of the late Hirnantian to Aeronian marine redox change in South China and its relationship with the record of graptolite biodiversity - Zongyuan Sun; Fangqi Zhao; Michael J. Melchin; Junxuan Fan; Bolin Zhang; Xin Jin; Zihu Zhang; Shengchao Yang; Qing Chen; Yiying Deng; Linna Zhang (Palaeogeography, Palaeoclimatology, Palaeoecology, 2023)