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 …

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 …

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 …

Source of the climate signal recorded by magnetic susceptibility variations in Indian Ocean sediments

MW Hounslow, BA Maher - Journal of Geophysical Research …, 1999 - Wiley Online Library
The origins of magnetic susceptibility variations in deep‐sea sediments from the Indian
Ocean (Ocean Drilling Program)(ODP Leg 117) have been examined to identify the specific …

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 …

Early to middle Eocene magneto-biochronology of the southwest Pacific Ocean and climate influence on sedimentation: Insights from the Mead Stream section, New …

E Dallanave, C Agnini, V Bachtadse, G Muttoni… - …, 2015 - pubs.geoscienceworld.org
Abstract The Mead Stream section (South Island, New Zealand) consists of a 650-m-thick
series of continuous, well-exposed strata deposited on a South Pacific continental slope …

Integrated calcareous nannofossil and magnetostratigraphic record of ODP Site 709: Middle Eocene to late Oligocene paleoclimate and paleoceanography of the …

G Villa, F Florindo, D Persico, P Lurcock… - Marine …, 2021 - Elsevier
We investigated the calcareous nannofossil biostratigraphy and magnetostratigraphy of
middle Eocene–lower Oligocene sediments from ODP Hole 709 C, equatorial Indian Ocean …

Enhanced primary productivity and magnetotactic bacterial production in response to middle Eocene warming in the Neo-Tethys Ocean

JF Savian, L Jovane, F Frontalini, RIF Trindade… - Palaeogeography …, 2014 - Elsevier
Earth's climate experienced a warming event known as the Middle Eocene Climatic
Optimum (MECO) at~ 40 Ma, which was an abrupt reversal of a long-term Eocene cooling …

Precessional control on ocean productivity in the W estern P acific W arm P ool for the last 400 kyr: Insight from biogenic magnetite

T Yamazaki, K Horiuchi - Geochemistry, Geophysics …, 2016 - Wiley Online Library
Abstracts The Western Pacific Warm Pool plays a significant role in large‐scale atmospheric
circulation and global hydrology. We conducted an environmental magnetic study of two late …