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 …

A 200-million-year delay in permanent atmospheric oxygenation

SW Poulton, A Bekker, VM Cumming, AL Zerkle… - Nature, 2021 - nature.com
The rise of atmospheric oxygen fundamentally changed the chemistry of surficial
environments and the nature of Earth's habitability. Early atmospheric oxygenation occurred …

A long-term record of early to mid-Paleozoic marine redox change

EA Sperling, MJ Melchin, T Fraser, RG Stockey… - Science …, 2021 - science.org
The extent to which Paleozoic oceans differed from Neoproterozoic oceans and the causal
relationship between biological evolution and changing environmental conditions are …

[图书][B] The iron speciation paleoredox proxy

SW Poulton - 2021 - cambridge.org
In one form or another, iron speciation has had a long history as a paleoredox proxy. The
technique has been refined considerably over the years, and the most recent scheme is …

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) …

[HTML][HTML] Extensive marine anoxia in the European epicontinental sea during the end-Triassic mass extinction

T He, PB Wignall, RJ Newton, JW Atkinson… - Global and Planetary …, 2022 - Elsevier
Warming-induced marine anoxia has been hypothesized as an environmental stressor for
the end-Triassic mass extinction (ETME), but links between the spread of marine anoxia and …

A nutrient control on expanded anoxia and global cooling during the Late Ordovician mass extinction

Z Qiu, C Zou, BJW Mills, Y Xiong, H Tao, B Lu… - … Earth & Environment, 2022 - nature.com
Expanded ocean anoxia and global cooling have been invoked as major causal
mechanisms for the Late Ordovician mass extinction, but the factors underpinning the …

Dynamic redox and nutrient cycling response to climate forcing in the Mesoproterozoic ocean

Y Song, FT Bowyer, BJW Mills, AS Merdith… - Nature …, 2023 - nature.com
Controls on Mesoproterozoic ocean redox heterogeneity, and links to nutrient cycling and
oxygenation feedbacks, remain poorly resolved. Here, we report ocean redox and …

The impact of postdepositional alteration on iron-and molybdenum-based redox proxies

S Eroglu, F Scholz, R Salvatteci, C Siebert… - …, 2021 - pubs.geoscienceworld.org
Ratios of (un) reactive iron species, authigenic molybdenum contents (Moauth), and
molybdenum isotope compositions (δ98Moauth) in sedimentary rocks are geochemical …

[HTML][HTML] Moderate levels of oxygenation during the late stage of Earth's Great Oxidation Event

FO Ossa, JE Spangenberg, A Bekker, S König… - Earth and Planetary …, 2022 - Elsevier
The later stages of Earth's transition to a permanently oxygenated atmosphere during the
Great Oxidation Event (GOE;∼ 2.43–2.06 Ga) is commonly linked with the suggestion of an …