Ediacaran extinction and Cambrian explosion
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 …
revolution of the past billion years, including the Earth's first crisis of macroscopic eukaryotic …
Progress towards an improved Precambrian seawater 87Sr/86Sr curve
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 …
relative contributions of continental versus mantle reservoirs to ocean composition, and …
Mineralogy, early marine diagenesis, and the chemistry of shallow-water carbonate sediments
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 …
geologic record and are widely used archives of Earth's chemical and climatic history. One …
Calibrating the coevolution of Ediacaran life and environment
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 …
marine redox conditions, potentially rapid plate motions, and uniquely large perturbations to …
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 …
silicate weathering feedback. However, this thermostat has failed multiple times in Earth's …
Extreme variability in atmospheric oxygen levels in the late Precambrian
Map** 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 …
potential links to animal evolution. Ancient O2 levels are often inferred from geochemical …
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 …
applied to the study of diagenesis of carbonate rocks for over 50 years. As valuable as these …
Towards an Ediacaran time scale: problems, protocols, and prospects
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 …
Earth glaciation and precedes the Cambrian Period with its rising tide of animal radiation. It …
Global and local drivers of the Ediacaran Shuram carbon isotope excursion
Abstract The Ediacaran Shuram carbon isotope excursion (CIE) follows the regional
Gaskiers glaciation and occurs before the appearance of macroscopic animal fossils …
Gaskiers glaciation and occurs before the appearance of macroscopic animal fossils …