Global marine redox evolution from the late Neoproterozoic to the early Paleozoic constrained by the integration of Mo and U isotope records
The emergence and diversification of early animals is commonly thought to have coincided
with atmosphere and ocean oxygenation across the terminal Neoproterozoic and early …
with atmosphere and ocean oxygenation across the terminal Neoproterozoic and early …
[HTML][HTML] Sedimentary Ce anomalies: Secular change and implications for paleoenvironmental evolution
Although Ce anomalies are commonly used to reconstruct past seawater redox conditions,
published interpretations are based on various proxy materials and analytical approaches …
published interpretations are based on various proxy materials and analytical approaches …
Sea level controls on Ediacaran-Cambrian animal radiations
The drivers of Ediacaran-Cambrian metazoan radiations remain unclear, as does the fidelity
of the record. We use a global age framework [580–510 million years (Ma) ago] to estimate …
of the record. We use a global age framework [580–510 million years (Ma) ago] to estimate …
The history of ocean oxygenation
CT Reinhard, NJ Planavsky - Annual Review of Marine Science, 2022 - annualreviews.org
The large-scale dynamics of ocean oxygenation have changed dramatically throughout
Earth's history, in step with major changes in the abundance of O2 in the atmosphere and …
Earth's history, in step with major changes in the abundance of O2 in the atmosphere and …
Molybdenum isotope-based redox deviation driven by continental margin euxinia during the early Cambrian
Oceanic redox changes may be a key environmental trigger for the “Cambrian explosion”.
However, a hypothesized predominantly oxygenated early Cambrian ocean, inferred from …
However, a hypothesized predominantly oxygenated early Cambrian ocean, inferred from …
Links between hydrographic restriction, redox conditions, and organic matter accumulation in the Early Cambrian intrashelf basin, South China
W **ao, J Cao, Z Liao, X Wang, S Zhang - Gondwana Research, 2024 - Elsevier
There was a strong relationship between paleo-oceanic conditions and organic matter
accumulation during the critical period of the Early Cambrian. The Yangtze Platform in South …
accumulation during the critical period of the Early Cambrian. The Yangtze Platform in South …
Carbon, oxygen and strontium isotopic and elemental characteristics of the Cambrian Longwangmiao Formation in South China: Paleoenvironmental significance and …
P Zhang, Y Wang, X Zhang, Z Wei, G Wang, T Zhang… - Gondwana …, 2022 - Elsevier
The biosphere experienced episodic perturbations during the Neoproterozoic–early
Cambrian, accompanied by major fluctuations of the carbon cycle. However, compared to …
Cambrian, accompanied by major fluctuations of the carbon cycle. However, compared to …
Mass extinction coincided with expanded continental margin euxinia during the Cambrian Age 4
Earth's biosphere witnessed the first major extinction event in the Phanerozoic during the
Cambrian Age 4, with a genera loss up to∼ 45%. The traditional view suggested that marine …
Cambrian Age 4, with a genera loss up to∼ 45%. The traditional view suggested that marine …
The uranium isotopic record of shales and carbonates through geologic time
In the modern ocean, U reduction and incorporation into anoxic sediments imparts a large
isotopic fractionation of approximately+ 0.6‰ that shifts the seawater δ 238 U value (238 …
isotopic fractionation of approximately+ 0.6‰ that shifts the seawater δ 238 U value (238 …
Salinity variation and hydrographic dynamics in the early Cambrian Nanhua Basin (South China)
Despite intensive study of the early Cambrian Nanhua Basin (ECNB) in South China, its
degree of connectedness to the open ocean remains uncertain, impeding analysis of …
degree of connectedness to the open ocean remains uncertain, impeding analysis of …