Sulfur isotope evidence for transient marine-shelf oxidation during the Ediacaran Shuram Excursion Shi, Wei ; Li, Chao ; Luo, Genming ; Huang, Junhua ; Algeo, Thomas J. ; Jin, Chengsheng ; Zhang, Zihu ; Cheng, Meng Abstract Publication: Geology Pub Date: March 2018 DOI: 10.1130/G39663.1 Bibcode: 2018Geo....46..267S