Oxygenation, life, and the planetary system during Earth's middle history: An overview

TW Lyons, CW Diamond, NJ Planavsky, CT Reinhard… - Astrobiology, 2021 - liebertpub.com
The long history of life on Earth has unfolded as a cause-and-effect relationship with the
evolving amount of oxygen (O2) in the oceans and atmosphere. Oxygen deficiency …

Calibrating the temporal and spatial dynamics of the Ediacaran-Cambrian radiation of animals

FT Bowyer, AY Zhuravlev, R Wood, GA Shields… - Earth-Science …, 2022 - Elsevier
Abstract The Ediacaran-Cambrian transition, which incorporates the radiation of animals,
lacks a robust global temporal and spatial framework, resulting in major uncertainty in the …

The tempo of Ediacaran evolution

C Yang, AD Rooney, DJ Condon, XH Li… - Science …, 2021 - science.org
The rise of complex macroscopic life occurred during the Ediacaran Period, an interval that
witnessed large-scale disturbances to biogeochemical systems. The current Ediacaran …

Uncovering the Ediacaran phosphorus cycle

MS Dodd, W Shi, C Li, Z Zhang, M Cheng, H Gu… - Nature, 2023 - nature.com
Phosphorus is a limiting nutrient that is thought to control oceanic oxygen levels to a large
extent,–. A possible increase in marine phosphorus concentrations during the Ediacaran …

Sulfate triple-oxygen-isotope evidence confirming oceanic oxygenation 570 million years ago

H Wang, Y Peng, C Li, X Cao, M Cheng… - Nature …, 2023 - nature.com
The largest negative inorganic carbon isotope excursion in Earth's history, namely the
Ediacaran Shuram Excursion (SE), closely followed by early animal radiation, has been …

A Great late Ediacaran ice age

R Wang, B Shen, X Lang, B Wen… - National Science …, 2023 - academic.oup.com
The emergence of the Ediacara biota soon after the Gaskiers glaciation ca. 580 million years
ago (Ma) implies a possible glacial fuse for the evolution of animals. However, the timing of …

Recurrent photic zone euxinia limited ocean oxygenation and animal evolution during the Ediacaran

W Zheng, A Zhou, SK Sahoo, MR Nolan… - Nature …, 2023 - nature.com
Abstract The Ediacaran Period (~ 635–539 Ma) is marked by the emergence and
diversification of complex metazoans linked to ocean redox changes, but the processes and …

Global and local drivers of the Ediacaran Shuram carbon isotope excursion

JF Busch, EB Hodgin, ASC Ahm, JM Husson… - Earth and Planetary …, 2022 - Elsevier
Abstract The Ediacaran Shuram carbon isotope excursion (CIE) follows the regional
Gaskiers glaciation and occurs before the appearance of macroscopic animal fossils …

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 …

Global marine redox evolution from the late Neoproterozoic to the early Paleozoic constrained by the integration of Mo and U isotope records

GY Wei, NJ Planavsky, T He, F Zhang, RG Stockey… - Earth-Science …, 2021 - Elsevier
The emergence and diversification of early animals is commonly thought to have coincided
with atmosphere and ocean oxygenation across the terminal Neoproterozoic and early …