Heterogeneous and dynamic marine shelf oxygenation and coupled early animal evolution
It is generally agreed that early diversification of animals and significant rise of atmospheric
and oceanic oxygen (O2) levels occurred in the Ediacaran (635–541 million years ago, Ma) …
and oceanic oxygen (O2) levels occurred in the Ediacaran (635–541 million years ago, Ma) …
Early Cambrian sedimentary rocks in South China: A link between oceanic oxygenation and biological explosion
B Zhao, X Long, C Chang - Earth-Science Reviews, 2024 - Elsevier
Abstract Early Cambrian basin in South China has deposited successive sedimentary rocks,
which not only recorded geochemical information of the variation of palaeo-ocean …
which not only recorded geochemical information of the variation of palaeo-ocean …
Redox dynamics of later Cambrian oceans
A growing body of evidence suggests that the deep oceans during the early Paleozoic Era
were widely oxygen deficient, despite evidence for increased marine oxygenation during the …
were widely oxygen deficient, despite evidence for increased marine oxygenation during the …
Variable redox conditions as an evolutionary driver? A multi-basin comparison of redox in the middle and later Cambrian oceans (Drumian-Paibian)
The middle to later Cambrian (Drumian-Jiangshanian Ages, 505–490 Ma) was a time of
unique evolutionary dynamics that remain enigmatic. This interval records unusually high …
unique evolutionary dynamics that remain enigmatic. This interval records unusually high …
Fluctuations in chemical weathering on the Yangtze Block during the Ediacaran–Cambrian transition: Implications for paleoclimatic conditions and the marine carbon …
Abstract The Ediacaran–Cambrian transition was characterized by profound climatic,
tectonic, and oceanographic fluctuations, followed by the remarkable radiation of …
tectonic, and oceanographic fluctuations, followed by the remarkable radiation of …
Early Cambrian oxygen minimum zone-like conditions at Chengjiang
The early Cambrian succession at Chengjiang contains the most diverse Cambrian fossil
assemblage yet described, and contributes significantly to our understanding of the …
assemblage yet described, and contributes significantly to our understanding of the …
Spatiotemporal evolution and causes of marine euxinia in the early Cambrian Nanhua Basin (South China)
Marine redox conditions and their dynamic variations in the early Cambrian are thought to
have strongly influenced the evolution of early animals. However, the patterns and …
have strongly influenced the evolution of early animals. However, the patterns and …
Microfossil assemblages and indication of the source and preservation pattern of organic matter from the early Cambrian in South China
The beginning of the Phanerozoic was marked by abundant phytoplankton, the occurrence
of animals and a newly established ecosystem structure, which in turn, resulted in different …
of animals and a newly established ecosystem structure, which in turn, resulted in different …
Evaluation of shale reservoir quality by geophysical logging for Shui**gtuo Formation of Lower Cambrian in Yichang area, central Yangtze
X Chen, L Chen, S Jiang, A Liu, S Luo, H Li, P Li… - Journal of Earth …, 2021 - Springer
Taking the shale of Shui**gtuo Formation of Lower Cambrian in Yichang area as the
research object, the shale reservoir characteristics are comprehensively evaluated and …
research object, the shale reservoir characteristics are comprehensively evaluated and …
[HTML][HTML] Coupling of the redox history and enrichment of Ni-Mo in black shale during the early Cambrian: Constraints from S-Fe isotopes and trace elements of pyrite …
Z Yang, P Wu, Y Fu, W Qiao, Y Qin, C Li, P **a… - Ore Geology …, 2022 - Elsevier
Black shales were widely distributed in the world during the early Cambrian. Ni and Mo are
enriched in black shale and can be mined only in Guizhou and Hunan, South China. The …
enriched in black shale and can be mined only in Guizhou and Hunan, South China. The …