Mercury isotope profiles against the massive dissolved organic carbon remineralization for the largest Ediacaran carbonate-carbon isotope excursion

• Published in: Earth and planetary science letters Vol. 642; p. 118862
• Main Authors: Xi, Pengfei, Liu, Yongsheng, Chen, Jiubin, Shen, Jun
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 15.09.2024
• Subjects: Carbon isotope excursion; Dissolved organic carbon; Ediacaran; Mercury isotopes; Photic zone euxinia; Dissolved organic carbon; Ediacaran; Mercury isotopes; Carbon isotope excursion; Photic zone euxinia

•Limited contribution of organic carbon to the Shuram Excursion.•The enhanced terrestrial input and the photic zone euxinia reduced the Δ199Hg.•The photic zone euxinia frequently occurred in the mid-depth ocean.•Macroscopic multicellular eukaryotes were poisoned by H2S. The Doushantuo negative carbo...