Marine productivity changes during the end-Permian crisis and Early Triassic recovery

J Shen, SD Schoepfer, Q Feng, L Zhou, J Yu… - Earth-Science …, 2015 - Elsevier
The latest Permian mass extinction (LPME) coincided with major changes in the composition
of marine plankton communities, yet little is known about concurrent changes in primary …

Sequence stratigraphy in organic-rich marine mudstone successions using chemostratigraphic datasets

MT LaGrange, KO Konhauser, O Catuneanu… - Earth-Science …, 2020 - Elsevier
Sequence stratigraphy is commonly used to understand basin history and the distribution of
conventional reservoir facies. Establishing a sequence stratigraphic framework in organic …

Depositional environment and organic matter accumulation of Upper Ordovician–Lower Silurian marine shale in the Upper Yangtze Platform, South China

Y Li, T Zhang, GS Ellis, D Shao - Palaeogeography, Palaeoclimatology …, 2017 - Elsevier
The main controlling factors of organic matter accumulation in the Upper Ordovician Wufeng–
Lower Silurian Longmaxi Formations are complex and remain highly controversial. This …

Organic matter enrichment due to high primary productivity in the deep-water shelf: Insights from the lower Cambrian Qiongzhusi shales of the central Sichuan Basin …

Y Li, G Liu, Z Song, B Zhang, M Sun, X Tian… - Journal of Asian Earth …, 2022 - Elsevier
The formation and enrichment mechanisms of organic-rich shales under different marine
environments remain unclear. Recently, Cambrian Qiongzhusi (QZS) shales with greater …

Environmental response to volcanic activity and its effect on organic matter enrichment in the Permian Lucaogou Formation of the Malang Sag, Santanghu Basin …

Y Pan, Z Huang, T Li, X Guo, X Xu, X Chen - Palaeogeography …, 2020 - Elsevier
Lacustrine organic-rich fine-grained rocks are widespread in the second member of the
Permian Lucaogou Formation (P 2 l 2) in the Malang Sag, Santanghu Basin, with complex …

Biogenic silica and organic carbon fluxes provide evidence of enhanced marine productivity in the Upper Ordovician-Lower Silurian of South China

MZ Khan, Q Feng, K Zhang, W Guo - Palaeogeography, Palaeoclimatology …, 2019 - Elsevier
Biogenic silica is a powerful palaeoproductivity proxy in palaeomarine environments and is
significant within shale gas reservoirs, demonstrating the association of marine hydrocarbon …

Organic-rich siliceous rocks in the upper Permian Dalong Formation (NW middle Yangtze): Provenance, paleoclimate and paleoenvironment

W Wu, W Liu, C Mou, H Liu, Y Qiao, J Pan… - Marine and Petroleum …, 2021 - Elsevier
The organic-rich shales of the upper Permian Dalong Formation in the middle Yangtze area
are considered an important shale gas exploration horizon. However, the origin of siliceous …

Relative sea-level changes and organic matter enrichment in the Upper Ordovician-Lower Silurian Wufeng-Longmaxi Formations in the Central Yangtze area, China

L Chen, S Jiang, P Chen, X Chen, B Zhang… - Marine and Petroleum …, 2021 - Elsevier
Based on the sedimentological and geochemical analysis of total organic carbon (TOC) and
major and trace elements in the marine Upper Ordovician-Lower Silurian Wufeng-Longmaxi …

Evolution of oceanic redox conditions during the Permo-Triassic transition: Evidence from deepwater radiolarian facies

Q Feng, TJ Algeo - Earth-Science Reviews, 2014 - Elsevier
The~ 90% biodiversity loss among marine invertebrate species during the end-Permian
mass extinction, the most severe Phanerozoic biocrisis, has been attributed to widespread …

Controlling factors on organic matter accumulation of marine shale across the Ordovician-Silurian transition in South China: Constraints from trace-element …

Z Qiu, H Tao, B Lu, Z Chen, S Wu, H Liu, J Qiu - Journal of Earth Science, 2021 - Springer
In recent years, significant progress in shale gas exploration has been achieved in the
Upper Ordovician (Wufeng Formation)-Lower Silurian (Longmaxi Formation) shales in the …