A Cenozoic Record of Deep Oceanic Zn Isotopic Composition in Ferromanganese Crusts

M Zhao, N Planavsky, X Wang, Y Zhang… - American Journal of …, 2023 - ajsonline.org
Water plays a critical role in erosion and sediment transport and this relationship is most
evident in the hyperarid Atacama Desert of Northern Chile, a region characterized by …

[HTML][HTML] Diatom silicon isotope ratios in Quaternary research: Where do we stand?

PJ Frings, VN Panizzo, JN Sutton, C Ehlert - Quaternary Science Reviews, 2024 - Elsevier
Silicon stable isotope ratios (expressed as δ 30 Si) in biogenic silica have been widely used
as a proxy for past and present biogeochemical cycling in both marine and lacustrine …

CO2 drawdown from weathering is maximized at moderate erosion rates

A Bufe, JKC Rugenstein, N Hovius - Science, 2024 - science.org
Uplift and erosion modulate the carbon cycle over geologic timescales by exposing minerals
to chemical weathering. However, the erosion sensitivity of mineral weathering remains …

Widespread clay authigenesis and highly congruent silicate weathering in the Marinoan aftermath

YS Yin, GY Wei, PAEP von Strandmann… - Earth and Planetary …, 2023 - Elsevier
The termination of the Cryogenian period marks a transition from an extreme ice-to a
greenhouse climate, likely initiated by increased atmospheric CO 2, however uncertainties …

[PDF][PDF] Mesocosm experiments in ocean alkalinity enhancement research

U Riebesell, D Basso, S Geilert, AW Dale… - State of the Planet …, 2023 - sp.copernicus.org
An essential prerequisite for the implementation of ocean alkalinity enhancement (OAE)
applications is their environmental safety. Only if it can be ensured that ecosystem health …

Oxygen isotope ensemble reveals Earth's seawater, temperature, and carbon cycle history

T Isson, S Rauzi - Science, 2024 - science.org
Earth's persistent habitability since the Archean remains poorly understood. Using an
oxygen isotope ensemble approach—comprising shale, iron oxide, carbonate, silica, and …

Marine clay maturation induces systematic silicon isotope decrease in authigenic clays and pore fluids

S Geilert, DA Frick, AN Abbott, SC Löhr - Communications Earth & …, 2024 - nature.com
Marine silicate alteration exerts a major influence on marine carbon and cation cycles, but
has proven difficult to quantify. In this context, silicon isotopes of marine pore fluids became …

Advances in Reverse Weathering and Its Role in Clay Mineral Formation and the Carbon Dioxide Cycle

K Zheng, S Li, Y Gao, W Meng… - ACS Earth and Space …, 2024 - ACS Publications
Reverse weathering plays a significant role in the cycle of atmospheric carbon dioxide
(CO2) and elements between oceanic and continental environments during the Earth's …

Evaluating the role of dissolved silica for dolomite formation in evaporitic environments: Insights from prolonged laboratory experiments

ZA Al Disi, TRR Bontognali, F Sadooni… - Science of the Total …, 2024 - Elsevier
Abstract The mineral Dolomite CaMg (CO 3) 2 is a common constituent of sedimentary
rocks. Despite centuries of research, the mechanism of its formation remains elusive and …

Transportation and transformation of sedimentary Fe speciation in the northern South China Sea

Z Zhang, G Zhang, Y Zhao, C Liu, S Liu, J Yang… - Journal of Asian Earth …, 2024 - Elsevier
The delivery of bioavailable iron (Fe) to the marine environment has important implications
for marine biogeochemical cycling. However, only limited studies have explored the …