Deposition and termination of Neoproterozoic iron formations (NIFs): New insights from NIFs in China
Over the past two decades, advancements in geochronological, sedimentary, and
geochemical studies have considerably deepened our understanding of the links between …
geochemical studies have considerably deepened our understanding of the links between …
[HTML][HTML] Environmental controls on very high δ238U values in reducing sediments: Implications for Neoproterozoic seawater records
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 …
anoxia. Interpretation of seawater values and trends, often reconstructed from carbonates …
Environmental drivers of the first major animal extinction across the Ediacaran White Sea-Nama transition
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 …
three temporally distinct assemblages: the Avalon (ca. 575–560 Ma), White Sea (ca. 560 …
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 …
Event, the largest radiation of Phanerozoic marine animal Life. Yet, mechanistic …
Spatial pattern of marine oxygenation set by tectonic and ecological drivers over the Phanerozoic
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 …
cycles, but the main controls of marine redox since the start of the Phanerozoic about 538 …
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 …
witnessing the coupled evolution of tectonism, climate, marine environment, and …
[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 …
information on paleo-seawater chemistry and local-regional redox conditions. However …
Sedimentary, climatic, and provenance controls of mineral and chemical composition of the Ediacaran and Cambrian mudstones from the East European Craton
Mineralogical and geochemical compositions of mudstones were used for untangling
provenance and climatic signals preserved in the upper Ediacaran-lower Cambrian strata …
provenance and climatic signals preserved in the upper Ediacaran-lower Cambrian strata …
[HTML][HTML] Temporal evolution of shallow marine diagenetic environments: Insights from carbonate concretions
Early diagenesis of marine organic matter dramatically impacts Earth's surface chemistry by
changing the burial potential of carbon and promoting the formation of authigenic mineral …
changing the burial potential of carbon and promoting the formation of authigenic mineral …
Spatiotemporal variation of dissolved oxygen in the Ediacaran surface ocean and its implication for oceanic carbon cycling
Z Zhang, M Cheng, H Wang, X Chen, W Guo… - Science China Earth …, 2023 - Springer
Abstract The Ediacaran Period (635–539 Ma) witnessed the largest negative excursion in
inorganic carbon isotope (δ13Ccarb) over the Earth's geological history, also known as the …
inorganic carbon isotope (δ13Ccarb) over the Earth's geological history, also known as the …