Uranium isotopes in marine carbonates as a global ocean paleoredox proxy: a critical review
The protracted oxygenation of the ocean-atmosphere system is one of the most fundamental
changes to the Earth system through its history. The uranium isotopic composition (238 …
changes to the Earth system through its history. The uranium isotopic composition (238 …
Recent advances in geochemical paleo-oxybarometers
B Kendall - Annual Review of Earth and Planetary Sciences, 2021 - annualreviews.org
Knowledge of how and why oxygenic photosynthesis, eukaryotes, metazoans, and humans
evolved on Earth is important to the search for complex life outside our Solar System. Hence …
evolved on Earth is important to the search for complex life outside our Solar System. Hence …
Modeling the impacts of diagenesis on carbonate paleoredox proxies
KV Lau, DS Hardisty - Geochimica et Cosmochimica Acta, 2022 - Elsevier
The geochemistry of the carbonate sedimentary record is invaluable for understanding the
ancient seawater evolution of carbon and redox-sensitive elements. However, the …
ancient seawater evolution of carbon and redox-sensitive elements. However, the …
Major Early-Middle Devonian oceanic oxygenation linked to early land plant evolution detected using high-resolution U isotopes of marine limestones
Abstract The middle Paleozoic (∼ 420-350 Myr) records a major increase in ocean-
atmosphere oxygen levels; however, the timing and pattern of oxygenation are poorly …
atmosphere oxygen levels; however, the timing and pattern of oxygenation are poorly …
Upper limits on the extent of seafloor anoxia during the PETM from uranium isotopes
Abstract The Paleocene Eocene Thermal Maximum (PETM) represents a major carbon cycle
and climate perturbation that was associated with ocean de-oxygenation, in a qualitatively …
and climate perturbation that was associated with ocean de-oxygenation, in a qualitatively …
Seawater‐fluid composition records from molybdenum isotopes of sequentially extracted phases of seep carbonate rocks
Z Jia, Y Hu, G Bayon, J Peckmann… - Geochemistry …, 2023 - Wiley Online Library
Authigenic molybdenum (Moauth) in marine sediments holds great potential to archive the
Mo isotopic composition of seawater and biogeochemical processes. However, the factors …
Mo isotopic composition of seawater and biogeochemical processes. However, the factors …
[HTML][HTML] Early diagenetic mobilization of rare earth elements and implications for the Ce anomaly as a redox proxy
K Zhang, GA Shields - Chemical Geology, 2023 - Elsevier
Abstract The Rare Earth Elements (REE) archived in carbonate rocks retain a wealth of
information on paleo-seawater chemistry and local-regional redox conditions. However …
information on paleo-seawater chemistry and local-regional redox conditions. However …
Investigation and comparative analysis of ecological risk for heavy metals in sediment and surface water in east coast estuaries of India
MM Sahoo, JB Swain - Marine Pollution Bulletin, 2023 - Elsevier
The sediments and surface water from 8 stations each from Dhamara and Paradeep
estuarine areas were sampled for investigation of heavy metals, Cd, Cu, Pb, Mn, Ni, Zn, Fe …
estuarine areas were sampled for investigation of heavy metals, Cd, Cu, Pb, Mn, Ni, Zn, Fe …
Pulsed oxygenation events drove progressive oxygenation of the early Mesoproterozoic ocean
The Mesoproterozoic era has long been considered a time of relative environmental and
biological stasis. However, emerging insight suggests that this period may have been more …
biological stasis. However, emerging insight suggests that this period may have been more …
Assessment of potability of surface water and its health implication in Mahanadi Basin, Odisha
A Das - Materials Today: Proceedings, 2023 - Elsevier
Surface water resource plays a crucial role in economic development, human health, and
ecological diversity. Population growth, climate change, and water contamination that result …
ecological diversity. Population growth, climate change, and water contamination that result …