Coupled microbial bloom and oxygenation decline recorded by magnetofossils during the Palaeocene–Eocene Thermal Maximum

L Chang, RJ Harrison, F Zeng, TA Berndt… - Nature …, 2018 - nature.com
Understanding marine environmental change and associated biological turnover across the
Palaeocene–Eocene Thermal Maximum (PETM;~ 56 Ma)—the most pronounced Cenozoic …

The extraterrestrial impact evidence at the Palaeocene–Eocene boundary and sequence of environmental change on the continental shelf

MF Schaller, MK Fung - Philosophical Transactions of the …, 2018 - royalsocietypublishing.org
We have identified clear evidence of an extraterrestrial impact within the onset of the carbon
isotope excursion (CIE) that defines the Palaeocene–Eocene (PE) boundary hyperthermal …

In situ magnetic identification of giant, needle-shaped magnetofossils in Paleocene–Eocene Thermal Maximum sediments

CL Wagner, R Egli, I Lascu, PC Lippert, KJT Livi… - Proceedings of the …, 2021 - pnas.org
Near-shore marine sediments deposited during the Paleocene–Eocene Thermal Maximum
at Wilson Lake, NJ, contain abundant conventional and giant magnetofossils. We find that …

Diversification of iron‐biomineralizing organisms during the Paleocene‐Eocene Thermal Maximum: Evidence from quantitative unmixing of magnetic signatures of …

CL Wagner, I Lascu, PC Lippert, R Egli… - Paleoceanography …, 2021 - Wiley Online Library
Conventional magnetofossils represent magnetic mineral remains of magnetotactic bacteria.
Giant magnetofossils have no known modern analog. Both conventional and giant …

Evidence for shelf acidification during the onset of the Paleocene‐Eocene Thermal Maximum

TJ Bralower, LR Kump, JM Self‐Trail… - Paleoceanography …, 2018 - Wiley Online Library
A transect of paleoshelf cores from Maryland and New Jersey contains an~ 0.19‐to 1.61‐m‐
thick interval with reduced percentages of carbonate during the onset of the Paleocene …

A depth‐transect of ocean deoxygenation during the Paleocene‐Eocene Thermal Maximum: Magnetofossils in sediment cores from the southeast Atlantic

P Xue, L Chang, GR Dickens… - Journal of Geophysical …, 2022 - Wiley Online Library
Abstract The Paleocene‐Eocene Thermal Maximum (PETM,∼ 56 Ma) presents a past
analog for future global warming. Previous studies provided evidence for major loss of …

Temporal changes in magnetic signal of burnt soils–A compelling three years pilot study

N Jordanova, D Jordanova, A Mokreva… - Science of the Total …, 2019 - Elsevier
Wildfires strongly affect soils, including iron biogeochemical cycling and carbon storage.
Thus, it is important to reveal the dynamics of iron oxide synthesis and transformations …

Early Eocene thermal maximum 3: Biotic response at Walvis ridge (SE Atlantic ocean)

E Thomas, F Boscolo‐Galazzo… - Paleoceanography …, 2018 - Wiley Online Library
We combine stable isotope, calcareous nannoplankton, and benthic foraminiferal records for
Ocean Drilling Program Sites 1262 (paleodepth~ 3,500 m) and 1263 (paleodepth~ 1,500 m) …

Magnetic properties of plant ashes and their influence on magnetic signatures of fire in soils

JL Till, B Moskowitz, SW Poulton - Frontiers in Earth Science, 2021 - frontiersin.org
Fires are an integral part of many terrestrial ecosystems and have a strong impact on soil
properties. While reports of topsoil magnetic enhancement after fires vary widely, recent …