Ediacaran extinction and Cambrian explosion

SAF Darroch, EF Smith, M Laflamme… - Trends in ecology & …, 2018 - cell.com
The Ediacaran–Cambrian (E–C) transition marks the most important geobiological
revolution of the past billion years, including the Earth's first crisis of macroscopic eukaryotic …

Progress towards an improved Precambrian seawater 87Sr/86Sr curve

X Chen, Y Zhou, GA Shields - Earth-Science Reviews, 2022 - Elsevier
The secular trend of seawater strontium isotope ratio (87 Sr/86 Sr) reflects changes in the
relative contributions of continental versus mantle reservoirs to ocean composition, and …

[PDF][PDF] 研发海洋“负排放” 技术支撑国家“碳中和” 需求

焦念志 - 中国科学院院刊, 2021 - old2022.bulletin.cas.cn
摘要应对气候变化的关键是实现碳中和. 实现碳中和的基本途径包括“减排”(减少向大气中排放
CO2) 和“增汇”(增加对大气中CO2 的吸收). 我国作为碳排放大国和发展中国家 …

Mineralogy, early marine diagenesis, and the chemistry of shallow-water carbonate sediments

JA Higgins, CL Blättler, EA Lundstrom… - … et Cosmochimica Acta, 2018 - Elsevier
Shallow-water carbonate sediments constitute the bulk of sedimentary carbonates in the
geologic record and are widely used archives of Earth's chemical and climatic history. One …

Calibrating the coevolution of Ediacaran life and environment

AD Rooney, MD Cantine… - Proceedings of the …, 2020 - National Acad Sciences
The rise of animals occurred during an interval of Earth history that witnessed dynamic
marine redox conditions, potentially rapid plate motions, and uniquely large perturbations to …

Extreme variability in atmospheric oxygen levels in the late Precambrian

AJ Krause, BJW Mills, AS Merdith, TM Lenton… - Science …, 2022 - science.org
Mapping the history of atmospheric O2 during the late Precambrian is vital for evaluating
potential links to animal evolution. Ancient O2 levels are often inferred from geochemical …

Continental flood basalt weathering as a trigger for Neoproterozoic Snowball Earth

GM Cox, GP Halverson, RK Stevenson… - Earth and Planetary …, 2016 - Elsevier
Atmospheric CO 2 levels and global climate are regulated on geological timescales by the
silicate weathering feedback. However, this thermostat has failed multiple times in Earth's …

The geochemistry of carbonate diagenesis: The past, present and future

PK Swart - Sedimentology, 2015 - Wiley Online Library
Stable carbon and oxygen isotopes (δ18O and δ13C values) and trace elements have been
applied to the study of diagenesis of carbonate rocks for over 50 years. As valuable as these …

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 …

Towards an Ediacaran time scale: problems, protocols, and prospects

S Xiao, GM Narbonne, C Zhou, M Laflamme… - Episodes Journal of …, 2016 - episodes.org
Abstract The Ediacaran Period follows the Cryogenian Period in the wake of a snowball
Earth glaciation and precedes the Cambrian Period with its rising tide of animal radiation. It …