Impact of green clay authigenesis on element sequestration in marine settings

A Baldermann, S Banerjee, G Czuppon… - Nature …, 2022 - nature.com
Retrograde clay mineral reactions (reverse weathering), including glauconite formation, are
first-order controls on element sequestration in marine sediments. Here, we report …

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 …

The origin of cap carbonate after the Ediacaran glaciations

R Wang, C **ng, B Wen, X Wang, K Liu… - Global and Planetary …, 2023 - Elsevier
Abstracts Cap carbonate is the most unique component of a Snowball Earth glaciation, ie,
two Cryogenian global glaciations. In the canonical model, cap carbonate precipitation …

Authigenic formation of clay minerals in the abyssal North Pacific

Z Steiner, JWB Rae, WM Berelson… - Global …, 2022 - Wiley Online Library
Present estimates of the biogeochemical cycles of calcium, strontium, and potassium in the
ocean reveal large imbalances between known input and output fluxes. Using pore fluid …

Extremely 26Mg-enriched authigenic clays from the Ediacaran Doushantuo Formation (South China) indicating the coupled carbonate-silicate diagenesis

T Huang, B Shen, X Wang, H Ma, C Li… - Global and Planetary …, 2024 - Elsevier
In the aftermath of Marinoan global glaciation (∼ 650–635 Ma), the deglacial intense
continental weathering tended to dramatically lower the atmospheric pCO 2 level, potentially …

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 …

[HTML][HTML] Stratigraphic framework and sedimentary evolution during the Cryogenian-Ediacaran transition in northeastern Sichuan Basin, South China

Y Zhang, HW Kuang, YQ Liu, Q Shi, DG Wang, KN Qi… - Petroleum Science, 2024 - Elsevier
The northeastern Sichuan area in the northern Yangtze margin has unique Ediacaran
geological records, especially the Doushantuo Formation (DST), and become a hot research …

Lithium isotopic evidence for enhanced reverse weathering during the Early Triassic warm period

S Rauzi, WJ Foster, S Takahashi, RS Hori… - Proceedings of the …, 2024 - pnas.org
Elevated temperatures persisted for an anomalously protracted interval following pulsed
volcanic carbon release associated with the end-Permian mass extinction, deviating from …

Enhanced metamorphic CO2 release on the Proterozoic Earth

EM Stewart, DE Penman - Proceedings of the National Academy of …, 2024 - pnas.org
Rock metamorphism releases substantial CO2 over geologic timescales (> 1 My), potentially
driving long-term planetary climate trends. The nature of carbonate sediments and crustal …

Low marine sulfate levels during the initiation of the Cryogenian Marinoan glaciation

K Zhao, X Lang, G Zhu, M Feng, R He, C Guan, S Li… - Precambrian …, 2022 - Elsevier
The microbial sulfate reduction plays a significant role in regulating marine organic matter
degradation. Thus the variation of ancient marine sulfate levels is closely coupled with the …