Environmental crises at the Permian–Triassic mass extinction

J Dal Corso, H Song, S Callegaro, D Chu… - Nature Reviews Earth & …, 2022 - nature.com
The link between the Permian–Triassic mass extinction (252 million years ago) and the
emplacement of the Siberian Traps Large Igneous Province (STLIP) was first proposed in …

The stable isotope geochemistry of molybdenum

B Kendall, TW Dahl, AD Anbar - Reviews in Mineralogy …, 2017 - pubs.geoscienceworld.org
“The Answer to the Great Question... Of Life, the Universe and Everything... Is... Forty-two,”
said Deep Thought, with infinite majesty and calm…“I checked it very thoroughly,” said the …

Uranium and molybdenum isotope evidence for an episode of widespread ocean oxygenation during the late Ediacaran Period

B Kendall, T Komiya, TW Lyons, SM Bates… - … et Cosmochimica Acta, 2015 - Elsevier
To improve estimates of the extent of ocean oxygenation during the late Ediacaran Period,
we measured the U and Mo isotope compositions of euxinic (anoxic and sulfidic) organic …

[HTML][HTML] Toxic mercury pulses into late Permian terrestrial and marine environments

SE Grasby, X Liu, R Yin, RE Ernst, Z Chen - Geology, 2020 - pubs.geoscienceworld.org
Large spikes in mercury (Hg) concentration are observed globally at the latest Permian
extinction (LPE) horizon that are thought to be related to enhanced volcanic emissions of the …

Mercury deposition through the Permo–Triassic biotic crisis

SE Grasby, H Sanei, B Beauchamp, Z Chen - Chemical Geology, 2013 - Elsevier
A 6.7 million year record of marine sedimentation through the Permo Triassic Biotic Crisis
shows notable shifts in mercury concentrations that varied over an order of magnitude …

[HTML][HTML] IUPAC periodic table of the elements and isotopes (IPTEI) for the education community (IUPAC Technical Report)

NE Holden, TB Coplen, JK Böhlke… - Pure and Applied …, 2018 - degruyter.com
Abstract The IUPAC (International Union of Pure and Applied Chemistry) Periodic Table of
the Elements and Isotopes (IPTEI) was created to familiarize students, teachers, and non …

Molybdenum isotope-based redox deviation driven by continental margin euxinia during the early Cambrian

Z Qin, D Xu, B Kendall, X Zhang, Q Ou, X Wang… - … et Cosmochimica Acta, 2022 - Elsevier
Oceanic redox changes may be a key environmental trigger for the “Cambrian explosion”.
However, a hypothesized predominantly oxygenated early Cambrian ocean, inferred from …

Latest Permian to Middle Triassic redox condition variations in ramp settings, South China: Pyrite framboid evidence

Y Huang, ZQ Chen, PB Wignall, L Zhao - Bulletin, 2017 - pubs.geoscienceworld.org
A detailed, 10 my redox history of Changhsingian to Anisian (latest Permian to Middle
Triassic) oceans in ramp settings is reconstructed based on framboidal pyrite analysis from …

Early Triassic productivity crises delayed recovery from world's worst mass extinction

SE Grasby, B Beauchamp, J Knies - Geology, 2016 - pubs.geoscienceworld.org
The recovery of life after the latest Permian extinction was protracted over Early Triassic
time. Detailed geochemistry of marine sections along northwest Pangea indicates that …

Progressive environmental deterioration in northwestern Pangea leading to the latest Permian extinction

SE Grasby, B Beauchamp, DPG Bond… - …, 2015 - pubs.geoscienceworld.org
Stratigraphic records from northwestern Pangea provide unique insight into global
processes that occurred during the latest Permian extinction (LPE). We examined a detailed …