Trace elements in methane-seep carbonates: Potentials, limitations, and perspectives

D Smrzka, D Feng, T Himmler, J Zwicker, Y Hu… - Earth-Science …, 2020 - Elsevier
Marine authigenic carbonates form shallow-water microbialites, mud mounds, and
hydrocarbon-seep deposits and contain appreciable amounts of trace elements that yield …

Geochemistry of marine sediments adjacent to the Los Tuxtlas Volcanic Complex, Gulf of Mexico: Constraints on weathering and provenance

JS Armstrong-Altrin, MA Ramos-Vázquez… - Applied …, 2022 - Elsevier
The provenance of GoM45 and GoM63 core sediments recovered in the deep-sea area (∼
1666 m–1672 m water depth, respectively), in front of the Los Tuxtlas volcanic field, Gulf of …

Methane seepage patterns during the middle Pleistocene inferred from molybdenum enrichments of seep carbonates in the South China Sea

Y Deng, F Chen, Y Hu, Q Guo, J Cao, H Chen… - Ore Geology …, 2020 - Elsevier
Seepage of methane-rich fluids, are widespread along the continental margins of the world.
Intense seepages of methane may lead to the emission of this powerful greenhouse gas into …

Evidence of intense methane seepages from molybdenum enrichments in gas hydrate-bearing sediments of the northern South China Sea

F Chen, Y Hu, D Feng, X Zhang, S Cheng, J Cao, H Lu… - Chemical …, 2016 - Elsevier
The application of molybdenum (Mo) enrichment to sediments can potentially provide
unique constraints on the methane seepage dynamics at continental margins. We report …

New insights into cerium anomalies and mechanisms of trace metal enrichment in authigenic carbonate from hydrocarbon seeps

Y Hu, D Feng, J Peckmann, HH Roberts, D Chen - Chemical Geology, 2014 - Elsevier
Authigenic carbonates that form at marine hydrocarbon seeps provide a unique geological
archive of past local environmental conditions and pore fluid geochemistry. Recent work on …

Cold-seep carbonates of the Laptev Sea continental slope: constraints from fluid sources and environment of formation

A Ruban, M Rudmin, A Mazurov, D Chernykh… - Chemical …, 2022 - Elsevier
This study presents results of the petrographic, mineralogical, stable isotopes of oxygen and
carbon, and trace element investigation of authigenic carbonates collected at newly …

Depositional control on carbon and sulfur preservation onshore and offshore the Oujiang Estuary: Implications for the C/S ratio as a salinity indicator

X Liu, M Zhang, A Li, D Fan, J Dong, C Jiao… - Continental Shelf …, 2021 - Elsevier
Carbon and sulfur preserved in estuary and shelf sediments play a critical role in controlling
sediment diagenesis related to the global biogeochemical cycle. Their ratio (C/S= 2.8) in …

[HTML][HTML] Molybdenum isotope composition of seep carbonates–Constraints on sediment biogeochemistry in seepage environments

Z Lin, X Sun, H Strauss, S Eroglu, ME Boettcher… - … et Cosmochimica Acta, 2021 - Elsevier
Methane seepage causes significant changes in the local diagenetic environment and
impacts the marine sedimentary cycles of sulfur, carbon, and molybdenum (Mo), which are …

Isotope evidence for the enrichment mechanism of molybdenum in methane-seep sediments: Implications for past seepage intensity

M **, F Chen, N Li, J Peckmann, R Mathur… - … et Cosmochimica Acta, 2024 - Elsevier
Methane release from marine sediments strongly influences the local seafloor environment
and ecosystems, and may impact Earth's climate system. Recent studies revealed …