Global marine redox evolution from the late Neoproterozoic to the early Paleozoic constrained by the integration of Mo and U isotope records
The emergence and diversification of early animals is commonly thought to have coincided
with atmosphere and ocean oxygenation across the terminal Neoproterozoic and early …
with atmosphere and ocean oxygenation across the terminal Neoproterozoic and early …
Uranium isotopes in marine carbonates as a global ocean paleoredox proxy: a critical review
The protracted oxygenation of the ocean-atmosphere system is one of the most fundamental
changes to the Earth system through its history. The uranium isotopic composition (238 …
changes to the Earth system through its history. The uranium isotopic composition (238 …
Permian–Triassic mass extinction pulses driven by major marine carbon cycle perturbations
Abstract The Permian/Triassic boundary approximately 251.9 million years ago marked the
most severe environmental crisis identified in the geological record, which dictated the …
most severe environmental crisis identified in the geological record, which dictated the …
Extensive marine anoxia during the terminal Ediacaran Period
The terminal Ediacaran Period witnessed the decline of the Ediacara biota (which may have
included many stem-group animals). To test whether oceanic anoxia might have played a …
included many stem-group animals). To test whether oceanic anoxia might have played a …
Massive and rapid predominantly volcanic CO2 emission during the end-Permian mass extinction
The end-Permian mass extinction event (∼ 252 Mya) is associated with one of the largest
global carbon cycle perturbations in the Phanerozoic and is thought to be triggered by the …
global carbon cycle perturbations in the Phanerozoic and is thought to be triggered by the …
Multiple episodes of extensive marine anoxia linked to global warming and continental weathering following the latest Permian mass extinction
Explaining the~ 5-million-year delay in marine biotic recovery following the latest Permian
mass extinction, the largest biotic crisis of the Phanerozoic, is a fundamental challenge for …
mass extinction, the largest biotic crisis of the Phanerozoic, is a fundamental challenge for …
Marine anoxia linked to abrupt global warming during Earth's penultimate icehouse
Piecing together the history of carbon (C) perturbation events throughout Earth's history has
provided key insights into how the Earth system responds to abrupt warming. Previous …
provided key insights into how the Earth system responds to abrupt warming. Previous …
Oxygenation of the Earth aided by mineral–organic carbon preservation
Photosynthesis produces molecular oxygen, but it is the burial of organic carbon in
sediments that has allowed this O2 to accumulate in Earth's atmosphere. Yet many direct …
sediments that has allowed this O2 to accumulate in Earth's atmosphere. Yet many direct …
Global marine redox changes drove the rise and fall of the Ediacara biota
The role of O2 in the evolution of early animals, as represented by some members of the
Ediacara biota, has been heavily debated because current geochemical evidence paints a …
Ediacara biota, has been heavily debated because current geochemical evidence paints a …
A diverse Ediacara assemblage survived under low-oxygen conditions
The Ediacaran biota were soft-bodied organisms, many with enigmatic phylogenetic
placement and ecology, living in marine environments between 574 and 539 million years …
placement and ecology, living in marine environments between 574 and 539 million years …