Seawater sources of Hg enrichment in Ordovician-Silurian boundary strata, South China Lu, Yangbo ; Shen, Jun ; Wang, Yuxuan ; Lu, Yongchao ; Algeo, Thomas J. ; Jiang, Shu ; Yan, Detian ; Gou, Qiyang Abstract Publication: Palaeogeography Palaeoclimatology Palaeoecology Pub Date: September 2022 DOI: 10.1016/j.palaeo.2022.111156 Bibcode: 2022PPP...60111156L