[HTML][HTML] Sedimentary Ce anomalies: Secular change and implications for paleoenvironmental evolution

K Zhang, GA Shields - Earth-Science Reviews, 2022 - Elsevier
Although Ce anomalies are commonly used to reconstruct past seawater redox conditions,
published interpretations are based on various proxy materials and analytical approaches …

Dynamic interplay of biogeochemical C, S and Ba cycles in response to the Shuram oxygenation event

H Cui, AJ Kaufman, S Xiao, C Zhou, M Zhu… - Journal of the …, 2022 - lyellcollection.org
Compared with Phanerozoic strata, sulfate minerals are relatively rare in the Precambrian
record; this is probably due to the lower concentrations of sulfate in dominantly anoxic …

[HTML][HTML] Early diagenetic mobilization of rare earth elements and implications for the Ce anomaly as a redox proxy

K Zhang, GA Shields - Chemical Geology, 2023 - Elsevier
Abstract The Rare Earth Elements (REE) archived in carbonate rocks retain a wealth of
information on paleo-seawater chemistry and local-regional redox conditions. However …

Astrochronologic calibration of the Shuram carbon isotope excursion with new data from South China

H Li, S Zhang, J Han, T Zhong, J Ding, H Wu… - Global and Planetary …, 2022 - Elsevier
The Shuram carbon isotope excursion (CIE) is the largest negative CIE in geological history
that may have recorded dramatic changes in Earth's surface environments, yet its time …

[PDF][PDF] 鄂西黄陵背斜周缘埃迪卡拉纪灯影组地层序列及其区域地层对比意义

安志辉, 叶琴, 童金南, 田力, 赵小明 - 地球科学, 2024 - researchgate.net
华南峡东地区埃迪卡拉纪灯影组保存了大量埃迪卡拉纪宏体生物化石, 是研究寒武纪大爆发之前
生命演化的热点地层单元之一. 峡东灯影组一般划分为3 段, 然而灯影组在黄陵背斜周缘不同 …

Redox Conditions of the Late Ediacaran Ocean on the Southern Margin of the North China Craton

J Yang, W Jin, G Wang, L Wan, Z Zeng - Minerals, 2023 - mdpi.com
Previous studies have revealed dynamic and complex redox conditions of the late
Ediacaran ocean. Integrated analyses of Ediacaran successions on different continents can …

Reconstructing Biogeochemical Cycles During and After the Late Ediacaran DOUNCE/Shuram Excursion

Z Tian - 2022 - discovery.ucl.ac.uk
In this thesis, I made carbon, oxygen, and sulfur chemostratigraphic study of three
representative sections in South China (Lianghong, Sishang and Qinglinkou sections) …