Co-application of rhenium, vanadium, uranium and molybdenum as paleo-redox proxies: Insight from modern and ancient environments

S Li, PB Wignall, SW Poulton - Chemical Geology, 2025 - Elsevier
Numerous approaches have been developed for determining past redox conditions in
marine settings (eg, Fe speciation, redox sensitive trace metal (RSTM) systematics, pyrite …

Potential effects of the Emeishan large igneous province on Capitanian marine anoxia in the Upper Yangtze region

M Kuang, H Yuan, W Li, B Zhang, C Shen… - Global and Planetary …, 2024 - Elsevier
Abstract The widespread Capitanian (late Guadalupian) marine anoxia/euxinia has long
been regarded as a key driver of the end-Guadalupian (middle Permian) biotic crisis …

Paleoenvironmental evolution preceding the end-Permian mass extinction in the Lower Yangtze region (South China) and its controls on extreme enrichment of …

L Mu, B Zhang, J Cao, S Yao, W Hu, X Lang… - Palaeogeography …, 2024 - Elsevier
The Changhsingian stage preceding the end-Permian mass extinction (EPME) was not only
a significant period of global climatic–environmental change, but also an important period of …

Coupled volcanic activity and marine anoxia in the Upper Yangtze region prior to the Capitanian mass extinction

Y Wang, J Cao, B Zhang, G Hu, J Liu, B Zhang, Z Liao… - Chemical …, 2024 - Elsevier
The Capitanian mass extinction was a severe biotic crisis in geological history. To present
more evidence for this event, this study acquired geochemical data from shelf-margin facies …

High-resolution paired C-isotope variations during the Guadalupian linked to paleo-redox changes in South China

G Zhang, X Zhang, D Li, J Liu, Y Shen - Palaeogeography …, 2025 - Elsevier
The Guadalupian is a critical interval during the Phanerozoic with considerable
environmental and biotic changes. However, the long-term carbon cycle dynamics of the …

Origin and paleo-oceanic conditions of Guadalupian bedded chert in the northern margin of the Upper Yangtze region: Implication for marine anoxia and the Permian …

Y Yu, L Lin, Q Li, G Lu, F Liu… - Geological Society of …, 2025 - pubs.geoscienceworld.org
Unusual accumulations of chert developed worldwide over tens of millions of years during
the Permian Period, and they are referred to as the Permian Chert Event. Middle Permian …