The links between Neoproterozoic tectonics, paleoenvironment and Cambrian explosion in the Yangtze Block, China
The correlation between Neoproterozoic tectonics, paleoenvironment and early life are
crucial for understanding the evolution of the Earth's habitability. The Yangtze Block …
crucial for understanding the evolution of the Earth's habitability. The Yangtze Block …
A review of retrieving pristine rare earth element signatures from carbonates
Rare earth element and yttrium (REY) concentrations of carbonates can be used as potential
proxies to trace the geochemistry of precipitating waters and physico-chemical …
proxies to trace the geochemistry of precipitating waters and physico-chemical …
Rare earth element geochemistry of carbonates as a proxy for deep-time environmental reconstruction
The rare earth elements and yttrium (REY) can enter carbonate lattices by replacing cations,
which can be used to reconstruct the history of carbonate precipitation. The Ediacaran …
which can be used to reconstruct the history of carbonate precipitation. The Ediacaran …
The shibantan lagerstätte: Insights into the proterozoic–phanerozoic transition
The Shibantan Lagerstätte (551–543 Ma) in the Yangtse Gorges area in South China is one
of the best-known examples of terminal Ediacaran fossil assemblages preserved in marine …
of the best-known examples of terminal Ediacaran fossil assemblages preserved in marine …
Mesoproterozoic oxygenation event: From shallow marine to atmosphere
Oxygen availability is crucial for the evolution of eukaryotes in geological history, but the
redox conditions of the mid-Proterozoic atmospheric-oceanic system remain vigorously …
redox conditions of the mid-Proterozoic atmospheric-oceanic system remain vigorously …
Biogeochemical cycle of chromium isotopes at the modern Earth's surface and its applications as a paleo-environment proxy
Chromium (Cr) is a redox-sensitive metal element with two natural oxidation states,
commonly as the soluble Cr (VI) oxyanion (CrO 4 2− or HCrO 4−) and the insoluble Cr (III) …
commonly as the soluble Cr (VI) oxyanion (CrO 4 2− or HCrO 4−) and the insoluble Cr (III) …
[HTML][HTML] Strong positive fractionation of chromium isotopes in iron formation of the Jacadigo Group (Brazil)–A link to enhanced atmospheric oxygenation during the …
Cr isotopes recorded in iron formations (IF) are considered to have the potential to reflect the
isotope signatures in respective ambient surface seawater. The∼ 600 Ma Fe and Mn …
isotope signatures in respective ambient surface seawater. The∼ 600 Ma Fe and Mn …
A transient swing to higher oxygen levels in the atmosphere and oceans at~ 1.4 Ga
Abstract The mid-Proterozoic (1.8–0.8 Ga) may have witnessed persistent and predominant
anoxia at the Earth's surface. However, recent studies suggest that there was a period …
anoxia at the Earth's surface. However, recent studies suggest that there was a period …
[HTML][HTML] Combined cadmium and chromium isotopes record a collapse of bioproductivity across the Cretaceous—Paleogene boundary in the Danish basin
Cadmium (Cd) isotope signatures (δ 114 Cd) deduced from modern and ancient marine
deposits are often used as a proxy for bioproductivity and for micronutrient cycling, whereas …
deposits are often used as a proxy for bioproductivity and for micronutrient cycling, whereas …
An authigenic response to Ediacaran surface oxidation: Remarkable micron-scale isotopic heterogeneity revealed by SIMS
Abstract The Ediacaran Shuram excursion (SE) records a global decrease in carbonate
carbon isotope (δ 13 C carb) values from+ 6‰ down to ca.–10‰, representing the largest δ …
carbon isotope (δ 13 C carb) values from+ 6‰ down to ca.–10‰, representing the largest δ …