[HTML][HTML] Upwelling-driven high organic production in the late Ediacaran

F Cañadas, D Papineau, TJ Algeo, C Li - Communications Earth & …, 2024 - nature.com
Abstract The Ediacaran ocean (635-541 million years ago) is typically viewed as a stagnant,
redox-stratified ocean with low phosphorus availability. However, this contradicts the high …

Sedimentological perspectives on climatic, atmospheric and environmental change in the Neoproterozoic Era

GH Spence, DP Le Heron, IJ Fairchild - Sedimentology, 2016 - Wiley Online Library
Sedimentological insights underpin many of the important recent advances in understanding
of Earth system behaviour in the Neoproterozoic Era. This article reviews three main …

Integrated carbon, sulfur, and nitrogen isotope chemostratigraphy of the Ediacaran Lantian Formation in South China: Spatial gradient, ocean redox oscillation, and …

W Wang, C Guan, C Zhou, Y Peng, LM Pratt… - …, 2017 - Wiley Online Library
Abstract The Ediacaran Doushantuo Formation in South China is a prime target for
geobiological investigation because it offers opportunities to integrate chemostratigraphic …

Testing the preservation potential of early diagenetic dolomites as geochemical archives

M Mueller, OA Igbokwe, B Walter, CL Pederson… - …, 2020 - Wiley Online Library
Early marine diagenetic dolomite is a rather thermodynamically‐stable carbonate phase and
has potential to act as an archive of marine porewater properties. However, the variety of …

Upper Windermere Supergroup and the transition from rifting to continent-margin sedimentation, Nadaleen River area, northern Canadian Cordillera

DP Moynihan, JV Strauss, LL Nelson… - GSA …, 2019 - pubs.geoscienceworld.org
Neoproterozoic–Cambrian rocks of the Windermere Supergroup and overlying units record
the breakup of Rodinia and formation of the northwestern Laurentian ancestral continental …

Supercontinents and the case for Pannotia

RD Nance, JB Murphy - Geological Society, London, Special …, 2019 - lyellcollection.org
Disagreement about the existence of the late Neoproterozoic supercontinent Pannotia
highlights the limitation of defining supercontinents simply on the basis of size, which, for pre …

A short-lived oxidation event during the early Ediacaran and delayed oxygenation of the Proterozoic ocean

B Chen, C Hu, BJW Mills, T He, MB Andersen… - Earth and Planetary …, 2022 - Elsevier
Abstract The Ediacaran Period was characterised by major carbon isotope perturbations.
The most extreme of these, the∼ 570 Ma Shuram/DOUNCE (Doushantuo Negative Carbon …

Constraining oceanic oxygenation during the Shuram excursion in South China using thallium isotopes

H Fan, SG Nielsen, JD Owens, M Auro, Y Shu… - …, 2020 - Wiley Online Library
Ediacaran sediments record an unusual global carbon cycle perturbation that has been
linked to widespread oceanic oxygenation, the Shuram negative C isotope excursion …

Cryogenian evolution of stigmasteroid biosynthesis

Y Hoshino, A Poshibaeva, W Meredith, C Snape… - Science …, 2017 - science.org
Sedimentary hydrocarbon remnants of eukaryotic C26–C30 sterols can be used to
reconstruct early algal evolution. Enhanced C29 sterol abundances provide algal cell …

The evolution and productivity of carbon fixation pathways in response to changes in oxygen concentration over geological time

LM Ward, PM Shih - Free Radical Biology and Medicine, 2019 - Elsevier
The fixation of inorganic carbon species like CO 2 to more reduced organic forms is one of
the most fundamental processes of life as we know it. Although several carbon fixation …