Enhanced volcanic activity and long-term warmth in the middle Eocene revealed by mercury and osmium isotopes from IODP Expedition 369 Site U1514

D Lim, Z Xu, J Kim, W Wang, E Ownsworth… - Earth and Planetary …, 2024 - Elsevier
Rapid plate reorganization may have influenced global climate during the Eocene; however,
its linkage remains poorly constrained, particularly during the middle Eocene. To elucidate …

[HTML][HTML] Mid-Cretaceous marine Os isotope evidence for heterogeneous cause of oceanic anoxic events

H Matsumoto, R Coccioni, F Frontalini, K Shirai… - Nature …, 2022 - nature.com
During the mid-Cretaceous, the Earth experienced several environmental perturbations,
including an extremely warm climate and Oceanic Anoxic Events (OAEs). Submarine …

Records of chemical weathering and volcanism linked to paleoclimate transition during the Late Paleozoic Icehouse

D Lv, L Wang, JL Isbell, C Lu, P Li, Y Wang… - Global and Planetary …, 2022 - Elsevier
The late Paleozoic ice age (LPIA) was the longest-lived glaciation of the Phanerozoic, and
the demise of LPIA is the Earth's only recorded transition from an icehouse to a greenhouse …

[HTML][HTML] Enhanced continental chemical weathering during the multiple early Eocene hyperthermals: New constraints from the southern Indian Ocean

E Tanaka, K Yasukawa, J Ohta, Y Kato - Geochimica et Cosmochimica Acta, 2022 - Elsevier
Abstract Multiple short-term (< 10 5 years) global warming events (“hyperthermals”) occurred
throughout the early Eocene. Chemical weathering of continental silicate rocks is …

Osmium isotope evidence for two pulses of increased continental weathering linked to Early Jurassic volcanism and climate change

LME Percival, AS Cohen, MK Davies… - …, 2016 - pubs.geoscienceworld.org
Large igneous provinces (LIPs) are proposed to have caused a number of episodes of
abrupt environmental change by increasing atmospheric CO2 levels, which were …

[HTML][HTML] A lower to middle Eocene astrochronology for the Mentelle Basin (Australia) and its implications for the geologic time scale

M Vahlenkamp, D De Vleeschouwer… - Earth and Planetary …, 2020 - Elsevier
The geologic time scale for the Cenozoic Era has been notably improved over the last
decades by virtue of integrated stratigraphy, combining high-resolution astrochronologies …

Mercury isotope evidence for protracted North Atlantic magmatism during the Paleocene-Eocene Thermal Maximum

S Jin, DB Kemp, R Yin, R Sun, J Shen… - Earth and Planetary …, 2023 - Elsevier
Abstract The Paleocene-Eocene Thermal Maximum (PETM,∼ 56 Ma) was a major
hyperthermal event that has been linked to CO 2 release from the North Atlantic Igneous …

[HTML][HTML] Enhanced magmatism played a dominant role in triggering the Miocene Climatic Optimum

KT Goto, MLG Tejada, E Tajika, K Suzuki - Communications Earth & …, 2023 - nature.com
Abstract The Miocene Climatic Optimum represents one of the major warming events during
the Cenozoic and was accompanied by a positive stable carbon isotope excursion. Here, we …

Cryogenian interglacial greenhouse driven by enhanced volcanism: Evidence from mercury records

T Zhou, X Pan, R Sun, C Deng, J Shen… - Earth and Planetary …, 2021 - Elsevier
An ice-free greenhouse interval (ca. 660∼ 650 Ma) occurred between the global Sturtian
(ca. 717 Ma∼ 660 Ma) and Marinoan glaciation (ca. 650 Ma∼ 635 Ma) during the …

Cretaceous large igneous provinces: from volcanic formation to environmental catastrophes and biological crises

LME Percival, H Matsumoto, S Callegaro… - Geological Society …, 2024 - lyellcollection.org
Abstract The Cretaceous Period was marked by the formation of numerous large igneous
provinces (LIPs), several of which were associated with geologically rapid climate …