[HTML][HTML] The end-Ordovician mass extinction: a single-pulse event?

G Wang, R Zhan, IG Percival - Earth-Science Reviews, 2019 - Elsevier
The end-Ordovician mass extinction (EOME) is widely interpreted as consisting of two
pulses associated with the onset and demise of the Gondwana glaciation, respectively, with …

Steep oceanic DIC δ13C depth gradient during the Hirnantian Glaciation

S Yang, J Fan, TJ Algeo, GA Shields, Y Zhou, C Li… - Earth-Science …, 2024 - Elsevier
The Hirnantian carbon isotopic excursion (HICE) was characterized by a positive δ 13 C
excursion (up to~+ 7‰) of oceanic dissolved inorganic carbon (DIC). However its …

Watermass architecture of the Ordovician–Silurian Yangtze Sea (South China) and its palaeogeographical implications

X Wang, C Zhan, TJ Algeo, J Shen… - Journal of the Geological …, 2024 - lyellcollection.org
The South China Craton experienced large changes in climate, eustasy and environmental
conditions during the Late Ordovician Hirnantian Ice Age, but their impact on the watermass …

Geological characteristics of deep shale gas in the Silurian Longmaxi Formation in the southern Sichuan Basin, China

S He, Q Qin, H Li, S Zhao - Frontiers in Earth Science, 2022 - frontiersin.org
To investigate the geological characteristics and exploration potential of shale gas in the
southern Sichuan Basin, we analyze the coupling relationship between the hydrocarbon …

Lithofacies and depositional mechanisms of the Ordovician–Silurian Wufeng–Longmaxi organic-rich shales in the Upper Yangtze area, southern China

Y Lu, F Hao, Y Lu, D Yan, S Xu, Z Shu… - Aapg …, 2020 - pubs.geoscienceworld.org
ABSTRACT The Ordovician–Silurian organic-rich shales in the Wufeng and Longmaxi
Formations are widespread in southern China and are the most important shale gas …

Sulfate-controlled marine euxinia in the semi-restricted inner Yangtze Sea (South China) during the Ordovician-Silurian transition

N Li, C Li, J Fan, TJ Algeo, D Yan, G Zhu, S Wu… - Palaeogeography …, 2019 - Elsevier
Conflicting published interpretations of marine redox conditions during the Ordovician-
Silurian transition (OST) may have been linked to spatial redox heterogeneity during this …

Local depositional and diagenetic conditions control the positive δ34S excursion during the Ordovician-Silurian transition: Evidence from the Wufeng-Longmaxi …

G Li, X Meng, S Li, M Feng, C **ng, X Lang - Palaeogeography …, 2024 - Elsevier
Abstract The Ordovician-Silurian (Osingle bondS) transition was characterized by significant
changes in global climate, marine redox conditions, and biological evolution, which include …

Lithium isotope and mercury evidence for enhanced continental weathering and intense volcanism during the Ordovician-Silurian transition

X Yang, D Yan, DJ Wilson… - … et Cosmochimica Acta, 2025 - Elsevier
Abstract The Ordovician-Silurian transition (OST) was characterised by climatic fluctuations
(warming in the Katian and glaciation in the Hirnantian) and mass extinctions. However, the …

Elevated marine productivity triggered nitrogen limitation on the Yangtze Platform (South China) during the Ordovician-Silurian transition

Y Liu, C Li, J Fan, TJ Algeo - Palaeogeography, Palaeoclimatology …, 2020 - Elsevier
Abstract The Ordovician-Silurian transition (OST) coincided with global environmental and
biological changes, including perturbations of the carbon and sulfur cycles, oceanic redox …

Spatiotemporal variations of sedimentary carbon and nitrogen isotopic compositions in the Yangtze Shelf Sea across the Ordovician-Silurian boundary

X Yang, D Yan, D Chen, M Liu, X She, B Zhang… - Palaeogeography …, 2021 - Elsevier
Abstract The Hirnantian Glaciation resulted in a perturbation in global carbon cycling, which
is recognized as a positive excursion in the δ 13 C values of both carbonates and organic …