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] Distribution and enrichment of rare metal elements in the basement rocks of South China: Controls on rare-metal mineralization

J Yu, Y Cai, T Sun, W Jiang, R Zhang, WL Griffin… - Ore Geology …, 2023 - Elsevier
The southeastern part of the South China Block (SCB) is composed of the Nanling-Yunkai
and Wuyi terranes and the Jiangnan Orogenic Belt (JOB), of which the Nanling and the JOB …

Biological diversification linked to environmental stabilization following the Sturtian Snowball glaciation

FT Bowyer, AJ Krause, Y Song, KJ Huang, Y Fu… - Science …, 2023 - science.org
The body fossil and biomarker records hint at an increase in biotic complexity between the
two Cryogenian Snowball Earth episodes (ca. 661 million to≤ 650 million years ago) …

Shallow-and deep-ocean Fe cycling and redox evolution across the Pliensbachian–Toarcian boundary and Toarcian Oceanic Anoxic Event in Panthalassa

W Chen, DB Kemp, T He, RJ Newton, Y **ong… - Earth and Planetary …, 2023 - Elsevier
The late Pliensbachian to early Toarcian was characterized by major climatic and
environmental changes, encompassing the early Toarcian Oceanic Anoxic Event (T-OAE, or …

The Fate of Sedimentary Reactive Iron at the Land‐Ocean Interface: A Case Study From the Amazon Shelf

P Vosteen, T Spiegel, M Gledhill… - Geochemistry …, 2022 - Wiley Online Library
Reactive iron (Fe) oxides in marine sediments may represent a source of bioavailable Fe to
the ocean via reductive dissolution and sedimentary Fe release or can promote organic …

[PDF][PDF] Controls on the termination of cretaceous oceanic anoxic event 2 in the Tarfaya Basin, Morocco

K Krewer, S Poulton, RJ Newton… - American Journal of …, 2024 - eprints.whiterose.ac.uk
Oceanic Anoxic Event 2 (OAE2) has been the focus of considerable research, but
biogeochemical dynamics during the recovery from the carbon cycle disturbance largely …

Calibration of redox thresholds in black shale: Insight from a stratified Mississippian basin with warm saline bottom waters

S Li, PB Wignall, Y **ong, SW Poulton - Bulletin, 2024 - pubs.geoscienceworld.org
Depositional models for black shale formation rely on a detailed understanding of redox
conditions and how they relate to basin development. Here, we calibrate multiple redox …

Quantifying the seawater sulfate concentration in the Cambrian Ocean

G Zhu, T Li, T Huang, K Zhao, W Tang… - Frontiers in Earth …, 2021 - frontiersin.org
Although the earliest animals might have evolved in certain “sweet spots” in the last 10
million years of Ediacaran (550–541 Ma), the Cambrian explosion requires sufficiently high …

[HTML][HTML] Dynamic evolution of marine productivity, redox, and biogeochemical cycling track local and global controls on Cryogenian sea-level change

C Tu, CW Diamond, EE Stüeken, M Cao, W Pan… - … et Cosmochimica Acta, 2024 - Elsevier
The Cryogenian period of the Neoproterozoic was marked by two Snowball Earth
glaciations that bookended a non-glacial interval that lasted roughly 10 million years. The …

The paleoredox context of early eukaryotic evolution: insights from the Tonian Mackenzie Mountains Supergroup, Canada

KM Maloney, GP Halverson, M Lechte, TM Gibson… - …, 2024 - Wiley Online Library
Abstract Tonian (ca. 1000–720 Ma) marine environments are hypothesised to have
experienced major redox changes coinciding with the evolution and diversification of …