Deposition and termination of Neoproterozoic iron formations (NIFs): New insights from NIFs in China

H Ye, CZ Wu, W Li, RX Lei, X Sun, W Hao… - Earth-Science …, 2024‏ - Elsevier
Over the past two decades, advancements in geochronological, sedimentary, and
geochemical studies have considerably deepened our understanding of the links between …

Environmental drivers of the first major animal extinction across the Ediacaran White Sea-Nama transition

SD Evans, C Tu, A Rizzo, RL Surprenant… - Proceedings of the …, 2022‏ - pnas.org
The Ediacara Biota—the oldest communities of complex, macroscopic fossils—consists of
three temporally distinct assemblages: the Avalon (ca. 575–560 Ma), White Sea (ca. 560 …

[HTML][HTML] Environmental controls on very high δ238U values in reducing sediments: Implications for Neoproterozoic seawater records

MO Clarkson, TC Sweere, CF Chiu, R Hennekam… - Earth-Science …, 2023‏ - Elsevier
Uranium isotopes (δ 238 U) are a widely applied tool for tracing global changes in oceanic
anoxia. Interpretation of seawater values and trends, often reconstructed from carbonates …

Impact of global climate cooling on Ordovician marine biodiversity

DE Ontiveros, G Beaugrand, B Lefebvre… - Nature …, 2023‏ - nature.com
Global cooling has been proposed as a driver of the Great Ordovician Biodiversification
Event, the largest radiation of Phanerozoic marine animal Life. Yet, mechanistic …

[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 …

Chemical–to–reverse weathering triggered a pronounced positive carbon isotope excursion in a forced regressive to transgressive dolostone succession during the …

Y Zhang, G Zhu, X Li, Y Ai, P Duan, M Li… - Global and Planetary …, 2024‏ - Elsevier
Abstract The terminal Ediacaran (∼ 551–541 Ma) was a critical period in Earth's history
witnessing the coupled evolution of tectonism, climate, marine environment, and …

Spatial pattern of marine oxygenation set by tectonic and ecological drivers over the Phanerozoic

X Wang, TJ Algeo, C Li, M Zhu - Nature Geoscience, 2023‏ - nature.com
Marine redox conditions (that is, oxygen levels) impact a wide array of biogeochemical
cycles, but the main controls of marine redox since the start of the Phanerozoic about 538 …

Heterogeneous coupling of δ13Corg and δ13Ccarb during the Shuram Excursion: Implications for a large dissolved organic carbon reservoir in the Ediacaran ocean

H Gu, J Hu, M Cheng, H Wang, MS Dodd… - Global and Planetary …, 2024‏ - Elsevier
The Ediacaran ocean recorded the largest negative carbonate carbon isotope (δ 13 C carb)
excursion in Earth's history, the Shuram Excursion (SE). The relatively invariant character of …

Climate variability during the late Ediacaran: Insights from episodic deposition of black shale-hosted Mn‑carbonates in South China

Y Zhang, Z Liao, J Cao, GG Lash, Y Wei, Q Shi… - Chemical …, 2024‏ - Elsevier
The Ediacaran period witnessed events that were of significance to the evolution of Earth's
environment and early life, especially the Neoproterozoic Oxygenation Event during the …

Sedimentary, climatic, and provenance controls of mineral and chemical composition of the Ediacaran and Cambrian mudstones from the East European Craton

K Jewuła, J Środoń, A Kędzior, M Paszkowski… - Precambrian …, 2022‏ - Elsevier
Mineralogical and geochemical compositions of mudstones were used for untangling
provenance and climatic signals preserved in the upper Ediacaran-lower Cambrian strata …