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 …

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 …

Implications of an integrated late Ediacaran to early Cambrian stratigraphy of the Siberian Platform, Russia

FT Bowyer, AY Zhuravlev, R Wood, F Zhao… - …, 2023 - pubs.geoscienceworld.org
The transition from the terminal Ediacaran to early Cambrian (ca. 550–530 Ma) witnessed
both the decline of Ediacaran-type soft-bodied and skeletal biota and the rapid …

Goldilocks at the dawn of complex life: mountains might have damaged Ediacaran–Cambrian ecosystems and prompted an early Cambrian greenhouse world

F Caxito, C Lana, R Frei, GJ Uhlein, AN Sial… - Scientific Reports, 2021 - nature.com
We combine U–Pb in-situ carbonate dating, elemental and isotope constraints to calibrate
the synergy of integrated mountain-basin evolution in western Gondwana. We show that …

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

H Cui, K Kitajima, IJ Orland, JM Baele, S **ao… - 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 …

New U-Pb age from the Shui**gtuo Formation (Yangtze Gorges area) and its implications for the Cambrian timescale

C Yang, FT Bowyer, DJ Condon, XH Li… - Palaeogeography …, 2023 - Elsevier
Abstract The Terreneuvian Series of the early Cambrian records the first major diversification
phase of the canonical Cambrian explosion. However, a paucity of precise radio-isotopic …

Questioning the role of methane in the wake of a snowball Earth: Insights from isotopically anomalous cap dolostone cements with a complex diagenetic history

H Cui, K Kitajima, IJ Orland, JM Baele, A Denny… - … et Cosmochimica Acta, 2024 - Elsevier
Methane has been widely regarded as an important source of greenhouse gas that
modulated Earth's paleoclimate. Notably, it has been proposed that a massive release of …

Multiple sulfur isotopes and stratigraphic constraints for the 34S enrichments in the late Ediacaran-Cambrian pyrite-sulfur record: A product of supercontinent …

S Caetano-Filho, P Sansjofre, GM Paula-Santos… - Gondwana …, 2024 - Elsevier
The late Ediacaran record encompasses frequent occurrences of 34 S-enriched pyrites,
which can surpass the coexisting sulfate isotope values. Deciphering what controls this …

Evolutionary, paleoecological, and biostratigraphic implications of the Ediacaran-Cambrian interval in West Gondwana

LV Warren, L Inglez, S **ao, LA Buatois… - …, 2023 - pubs.geoscienceworld.org
Abstract The Ediacaran-Cambrian transition interval is described for the west part of the
Gondwana Supercontinent. This key interval in Earth's history is recorded in the upper and …

Microbially induced chromium isotope fractionation and trace elements behavior in lower Cambrian microbialites from the Jaíba Member, Bambuí Basin, Brazil

GJ Uhlein, FA Caxito, R Frei, A Uhlein, AN Sial… - …, 2021 - Wiley Online Library
In east‐central Brazil, the Ediacaran‐Cambrian Bambuí Basin has the potential to provide a
record of unique geochemical responses of Earth's ocean and atmosphere evolution during …