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 …

Abrupt Northwest Atlantic deep-sea oxygenation decline preceded the Palaeocene-Eocene Thermal Maximum

P Xue, L Chang, E Thomas - Earth and Planetary Science Letters, 2023 - Elsevier
Reconstruction of oceanic redox conditions across the Palaeocene-Eocene Thermal
Maximum (PETM,∼ 55.93 Ma) provides crucial information on potential PETM triggers and …

[HTML][HTML] 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 …

Magnetofossils and benthic foraminifera record changes in food supply and deoxygenation of the coastal marine seafloor during the paleocene‐eocene thermal …

CL Wagner, P Stassen, E Thomas… - Paleoceanography …, 2022 - Wiley Online Library
Continental shelf sediments along the northeast continental margin of North America contain
a magnetofossil‐rich interval deposited during the Paleocene‐Eocene Thermal Maximum …

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 …

Paleoenvironmental significance of magnetofossils in pelagic sediments in the equatorial Pacific Ocean before and after the Eocene/Oligocene boundary

Y Lu, D Wang, X Jiang, Z Lin, Y Yang… - Journal of Geophysical …, 2021 - Wiley Online Library
Magnetotactic bacteria (MTB), sensitive to redox status, leave fossil bacterial magnetite
(magnetofossils) in sediments. The relative contents of cuboctahedral, elongated prismatic …

Magnetofossil spike during the Paleocene‐Eocene thermal maximum: Ferromagnetic resonance, rock magnetic, and electron microscopy evidence from Ancora, New …

RE Kopp, TD Raub, D Schumann, H Vali… - …, 2007 - Wiley Online Library
Previous workers identified a magnetically anomalous clay layer deposited on the northern
United States Atlantic Coastal Plain during the Paleocene‐Eocene thermal maximum …

Environmental magnetic implications of magnetofossil occurrence during the Middle Eocene Climatic Optimum (MECO) in pelagic sediments from the equatorial …

JF Savian, L Jovane, M Giorgioni, F Iacoviello… - Palaeogeography …, 2016 - Elsevier
Magnetic properties of pelagic marine sediments that record the Middle Eocene Climatic
Optimum (MECO) at~ 40 Ma provide information about major environmental changes. The …

Iron isotope signature of magnetofossils and oceanic biogeochemical changes through the Middle Eocene Climatic Optimum

R Havas, JF Savian, V Busigny - Geochimica et Cosmochimica Acta, 2021 - Elsevier
Magnetotactic bacteria (MTB) intracellularly precipitate magnetite (Fe 3 O 4) crystals that can
be preserved in the geological record. When MTB die, the so-called magnetofossils …

Magnetotactic bacterial response to Antarctic dust supply during the Palaeocene–Eocene thermal maximum

JC Larrasoana, AP Roberts, L Chang… - Earth and Planetary …, 2012 - Elsevier
Distinct magnetic properties of marine sediments that record the Palaeocene–Eocene
thermal maximum (PETM) have been suggested to be due to a bacterial magnetofossil …