New geochemical identification fingerprints of volcanism during the Ordovician-Silurian transition and its implications for biological and environmental evolution
S Yang, W Hu, J Fan, Y Deng - Earth-Science Reviews, 2022 - Elsevier
Volcanism had been an important factor in several geological events, usually recorded by
volcanic ash layers (bentonites). However, most volcanic eruption materials were dispersed …
volcanic ash layers (bentonites). However, most volcanic eruption materials were dispersed …
What controls the duration and intensity of ocean anoxic events in the Paleozoic and the Mesozoic?
The sedimentological and geochemical expression of Mesozoic ocean anoxic events
(OAEs) in the geologic record is reasonably well-characterized and the causal mechanisms …
(OAEs) in the geologic record is reasonably well-characterized and the causal mechanisms …
Hydrological control of river and seawater lithium isotopes
Seawater lithium isotopes (δ7Li) record changes over Earth history, including a∼ 9‰
increase during the Cenozoic interpreted as reflecting either a change in continental silicate …
increase during the Cenozoic interpreted as reflecting either a change in continental silicate …
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 …
Oceanic anoxia and extinction in the latest Ordovician
Abstract The Late Ordovician (Hirnantian) mass extinction (LOME) was marked by two
discrete pulses of high species turnover rates attributed to glacial cooling (LOME-1) and …
discrete pulses of high species turnover rates attributed to glacial cooling (LOME-1) and …
Cyclic variations in paleoenvironment and organic matter accumulation of the Upper Ordovician–Lower Silurian black shale in the Middle Yangtze Region, South …
Q Cai, M Hu, OI Kane, M Li, B Zhang, Z Hu… - Marine and Petroleum …, 2022 - Elsevier
Abstract During the Ordovician–Silurian transition, the Yangtze Block in South China
experienced intense tectonic movements and climate change and was covered by the …
experienced intense tectonic movements and climate change and was covered by the …
Multiple glacio-eustatic cycles and associated environmental changes through the Hirnantian (Late Ordovician) in South China
The Hirnantian glaciation, which was the first in the Phanerozoic to occur with elevated CO 2
levels, caused severe mass extinctions and disrupted biogeochemical cycling in the latest …
levels, caused severe mass extinctions and disrupted biogeochemical cycling in the latest …
Watermass architecture of the Ordovician–Silurian Yangtze Sea (South China) and its palaeogeographical implications
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 …
conditions during the Late Ordovician Hirnantian Ice Age, but their impact on the watermass …
Redox changes in the Iapetus Ocean during the Late Ordovician extinction crises
The cause of the Late Ordovician mass extinction (LOME) is widely debated, with glaciation,
volcanism and oceanic redox fluctuations being proposed as possible drivers. Here, we …
volcanism and oceanic redox fluctuations being proposed as possible drivers. Here, we …
Paleodepositional conditions and organic matter accumulation mechanisms in the Upper Ordovician-lower Silurian Wufeng-Longmaxi shales, Middle Yangtze region …
T Dong, C Wang, X Liang, G Wang, S Jiang - Marine and Petroleum …, 2022 - Elsevier
The deposition of black shales has been widely attributed to primary productivity,
preservation controlled by redox conditions, and detrital dilution controlled by sedimentation …
preservation controlled by redox conditions, and detrital dilution controlled by sedimentation …