Evolution of Atmospheric O2 Through the Phanerozoic, Revisited

BJW Mills, AJ Krause, I Jarvis… - Annual review of earth …, 2023 - annualreviews.org
An oxygen-rich atmosphere is essential for complex animals. The early Earth had an anoxic
atmosphere, and understanding the rise and maintenance of high O2 levels is critical for …

[HTML][HTML] Amber and the Cretaceous resinous interval

X Delclòs, E Peñalver, E Barrón, D Peris… - Earth-Science …, 2023 - Elsevier
Amber is fossilized resin that preserves biological remains in exceptional detail, study of
which has revolutionized understanding of past terrestrial organisms and habitats from the …

Bitterfeld amber is not Baltic amber: Three geochemical tests and further constraints on the botanical affinities of succinite

AP Wolfe, RC McKellar, R Tappert, RNS Sodhi… - Review of Palaeobotany …, 2016 - Elsevier
Baltic and Bitterfeld ambers are important deposits of polymerized conifer resin that are
widely recognized for their exquisite fossil inclusions, especially insects. Because of over …

A revised definition for copal and its significance for palaeontological and Anthropocene biodiversity-loss studies

MM Solórzano-Kraemer, X Delclòs, MS Engel… - Scientific Reports, 2020 - nature.com
The early fossilization steps of natural resins and associated terminology are a subject of
constant debate. Copal and resin are archives of palaeontological and historical information …

Palaeocene–Eocene Thermal Maximum prolonged by fossil carbon oxidation

SL Lyons, AA Baczynski, TL Babila, TJ Bralower… - Nature …, 2019 - nature.com
A hallmark of the rapid and massive release of carbon during the Palaeocene–Eocene
Thermal Maximum is the global negative carbon isotope excursion. The delayed recovery of …

Global increase in plant carbon isotope fractionation following the Last Glacial Maximum caused by increase in atmospheric pCO2

BA Schubert, AH Jahren - Geology, 2015 - pubs.geoscienceworld.org
Abstract Changes in the carbon isotope composition of terrestrial plant tissue (δ13C) are
widely cited for evidence of shifts in climate, vegetation, or atmospheric chemistry across a …

Organic petrography, biomarkers, and stable isotope (δ13C, δD, δ15N, δ18O) compositions of liptinite-rich coals

B Liu, A Bechtel, K Stojanović, JC Hower… - International Journal of …, 2024 - Elsevier
Liptinite-rich coals were evaluated using organic petrography, biomarkers, and stable
isotopes to investigate their origin and paleoenvironmental significance, particularly, to …

Long-term climate forcing by atmospheric oxygen concentrations

CJ Poulsen, C Tabor, JD White - Science, 2015 - science.org
The percentage of oxygen in Earth's atmosphere varied between 10% and 35% throughout
the Phanerozoic. These changes have been linked to the evolution, radiation, and size of …

Distinct origins for Rovno and Baltic ambers: Evidence from carbon and hydrogen stable isotopes

K Mänd, K Muehlenbachs, RC McKellar… - Palaeogeography …, 2018 - Elsevier
Ambers—fossilized plant resins—are a rich and unique source of paleoecological data due
to their ability to preserve soft body fossils. However, interpretations concerning their …

Recent advances in geochemical paleo-oxybarometers

B Kendall - Annual Review of Earth and Planetary Sciences, 2021 - annualreviews.org
Knowledge of how and why oxygenic photosynthesis, eukaryotes, metazoans, and humans
evolved on Earth is important to the search for complex life outside our Solar System. Hence …