The Chicxulub impact and its environmental consequences

JV Morgan, TJ Bralower, J Brugger… - Nature Reviews Earth & …, 2022 - nature.com
The extinction of the dinosaurs and around three-quarters of all living species was almost
certainly caused by a large asteroid impact 66 million years ago. Seismic data acquired …

Cycles of~ 32.5 My and~ 26.2 My in correlated episodes of continental flood basalts (CFBs), hyper-thermal climate pulses, anoxic oceans, and mass extinctions over …

MR Rampino, K Caldeira, S Rodriguez - Earth-Science Reviews, 2023 - Elsevier
Potential temporal and causal connections among various geologic events have long been
discussed in the geological literature. More recently, signs of common periodicities in these …

On impact and volcanism across the Cretaceous-Paleogene boundary

PM Hull, A Bornemann, DE Penman, MJ Henehan… - Science, 2020 - science.org
The cause of the end-Cretaceous mass extinction is vigorously debated, owing to the
occurrence of a very large bolide impact and flood basalt volcanism near the boundary …

Terrestrial climate in mid-latitude East Asia from the latest Cretaceous to the earliest Paleogene: A multiproxy record from the Songliao Basin in northeastern China

Y Gao, DE Ibarra, JKC Rugenstein, J Chen… - Earth-Science …, 2021 - Elsevier
From the latest Cretaceous (late Campanian to Maastrichtian,~ 75–66 Ma) to the earliest
Paleogene, fluctuations in greenhouse climate, inferred primarily from marine sediments …

The oxygen cycle and a habitable Earth

J Huang, X Liu, Y He, S Shen, Z Hou, S Li, C Li… - Science China Earth …, 2021 - Springer
As an important contributor to the habitability of our planet, the oxygen cycle is
interconnected with the emergence and evolution of complex life and is also the basis to …

Causes and climatic consequences of the impact winter at the Cretaceous‐Paleogene boundary

CR Tabor, CG Bardeen… - Geophysical …, 2020 - Wiley Online Library
Prolonged periods of low light and cold temperatures at Earth's surface are hypothesized
effects of the end‐Cretaceous asteroid impact. However, debate remains about the causes …

Deccan volcanic activity and its links to the end-Cretaceous extinction in northern China

X Gu, L Zhang, R Yin, SE Grasby, H Yao, J Tan… - Global and Planetary …, 2022 - Elsevier
Abstract The Cretaceous-Paleogene (K-Pg) boundary mass extinction is commonly
attributed to the Chicxulub impact and/or the Deccan Traps (DT) volcanism, but the …

Origin of a global carbonate layer deposited in the aftermath of the Cretaceous-Paleogene boundary impact

TJ Bralower, J Cosmidis, PJ Heaney, LR Kump… - Earth and Planetary …, 2020 - Elsevier
Microcrystalline calcite (micrite) dominates the sedimentary record of the aftermath of the
Cretaceous–Paleogene (K–Pg) impact at 31 sites globally, with records ranging from the …

Stable isotope constraints on marine productivity across the Cretaceous‐Paleogene mass extinction

J Sepúlveda, L Alegret, E Thomas… - Paleoceanography …, 2019 - Wiley Online Library
The effects of the Cretaceous‐Paleogene (K/Pg) mass extinction (~ 66 Ma) on marine
primary and export productivity remain debated. We studied changes in carbon and nitrogen …

A high-resolution record of environmental changes from a Cretaceous-Paleogene section of Seymour Island, Antarctica

RA Scasso, MB Prámparo, J Vellekoop… - Palaeogeography …, 2020 - Elsevier
A high-resolution sedimentological and palynological study was performed in combination
with biomarker-based organic geochemical temperature proxies TEX 86 and MBT′/CBT …