Extensive primary production promoted the recovery of the Ediacaran Shuram excursion

F Cañadas, D Papineau, MJ Leng, C Li - Nature Communications, 2022 - nature.com
Member IV of the Ediacaran Doushantuo Formation records the recovery from the most
negative carbon isotope excursion in Earth history. However, the main biogeochemical …

Geochronological and geochemical constraints on the origin of highly 13Ccarb-depleted calcite in basal Ediacaran cap carbonate

Z Lan, S Wu, NMW Roberts, S Zhang, R Cao… - Geological …, 2022 - cambridge.org
Ediacaran cap dolostone atop Marinoan glacial deposits contains complex sedimentary
structures with extremely negative δ13Ccarb values in close association with oscillations in …

Nitrogen isotopic compositions of organic-rich shales (∼ 560 Ma) in the Chengkou region, South China: Implications for a stable and relatively large nitrate reservoir …

J Wu, W Jia - Journal of Asian Earth Sciences, 2024 - Elsevier
The late Ediacaran period is a critical transitional period in Earth's history, marked by the
evolution of the Ediacara biota (∼ 574 to 538.8 Ma). The marine redox state and nutrient …

An authigenic response to Ediacaran surface oxidation: Remarkable micron-scale isotopic heterogeneity revealed by SIMS

H Cui, K Kitajima, IJ Orland, JM Baele, S Xiao… - Precambrian …, 2022 - Elsevier
Abstract The Ediacaran Shuram excursion (SE) records a global decrease in carbonate
carbon isotope (δ 13 C carb) values from+ 6‰ down to ca.–10‰, representing the largest δ …

Calcite U-Pb Geochronology Revealing Late Ediacaran–Early Paleozoic Hydrothermal Alteration in the Stenian-Tonian Carbonate of Northeastern North China …

R Cao, H Zhao, Z Lan - Journal of Earth Science, 2023 - Springer
Abstract Two calcite LA-ICP-MS U-Pb ages of 534±26 Ma (MSWD= 5.9) and 456±43 Ma
(MSWD= 3.8) were obtained from the Nanfen Formation, Xihe Group in the southern …

Nitrogen cycle perturbations linked to metazoan diversification during the early Cambrian

D Xu, X Wang, X Shi, D Tang, X Zhao, L Feng… - Palaeogeography …, 2020 - Elsevier
The rapid diversification of metazoans during the late Ediacaran-early Cambrian is one of
the most remarkable evolutionary events in Earth history. However, the triggering …

Climate variability during the late Ediacaran: Insights from episodic deposition of black shale-hosted Mn‑carbonates in South China

Y Zhang, Z Liao, J Cao, GG Lash, Y Wei, Q Shi… - Chemical …, 2024 - Elsevier
The Ediacaran period witnessed events that were of significance to the evolution of Earth's
environment and early life, especially the Neoproterozoic Oxygenation Event during the …

Ediacaran extension along the northern margin of the Yangtze Platform, South China: Constraints from the lithofacies and geochemistry of the Doushantuo Formation

H Wang, Z Li, S Liu, B Ran, J Song, J Li, Y Ye… - Marine and Petroleum …, 2020 - Elsevier
Abstract The Ediacaran Doushantuo Formation (Fm) of the Yangtze Platform provides
excellent sedimentary records of the Precambrian tectonic evolution of the South China …

Marine biomass changes during and after the Neoproterozoic Marinoan global glaciation

A Shizuya, K Kaiho, J Tong - Global and Planetary Change, 2021 - Elsevier
Abstract The late Neoproterozoic (645–535 Ma) represents a key geological period, when a
climate shift and revolutionary biological innovations occurred during the Precambrian …

Shift in limiting nutrients in the late Ediacaran–early Cambrian marine systems of South China

M Nishizawa, Y Tsuchiya, W Du, Y Sawaki… - Palaeogeography …, 2019 - Elsevier
Abstract The Ediacaran to Cambrian periods are characterized by the diversification and
extinction of metazoans, carbon-cycle perturbation, and ocean oxygenation. Ocean nutrient …