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 …

Impact of the Middle Eocene Climatic Optimum (MECO) on foraminiferal and calcareous nannofossil assemblages in the Neo-Tethyan Baskil Section (Eastern Turkey) …

R D'Onofrio, AS Zaky, F Frontalini, V Luciani… - Applied Sciences, 2021 - mdpi.com
Featured Application A challenging issue for humankind is the understanding of the future
biota state within the context of global change (anthropogenic CO2 emissions, global …

Diverse phylogeny and morphology of magnetite biomineralized by magnetotactic cocci

P Liu, Y Liu, X Zhao, AP Roberts… - Environmental …, 2021 - Wiley Online Library
Magnetotactic bacteria (MTB) are diverse prokaryotes that produce magnetic nanocrystals
within intracellular membranes (magnetosomes). Here, we present a large‐scale analysis of …

A magnetic and geochemical approach to the changing sedimentation accumulation on the upper slope of the great barrier reef, northeastern Australian margin

MB Hassan, G Tagliaro, B Harper, AW Droxler… - Quaternary Science …, 2023 - Elsevier
Abstract The Great Barrier Reef (GBR) located along the northeastern margin of Australia is
the largest coral reef system in the world. Modern climatic alterations are quickly changing …

Carbon cycle instability and orbital forcing during the Middle Eocene Climatic Optimum

M Giorgioni, L Jovane, ES Rego, D Rodelli… - Scientific Reports, 2019 - nature.com
Abstract The Middle Eocene Climatic Optimum (MECO) is a global warming event that
occurred at about 40 Ma. In comparison to the most known global warming events of the …

Diagenetic fate of biogenic soft and hard magnetite in chemically stratified sedimentary environments of Mamanguá Ría, Brazil

D Rodelli, L Jovane, M Giorgioni… - Journal of …, 2019 - Wiley Online Library
Magnetotactic bacteria (MTB) synthesize magnetite and greigite crystals under low oxygen
conditions in the water column or uppermost sediment (greigite‐producing bacteria are …

A multi‐proxy approach to unravel late Pleistocene sediment flux and bottom water conditions in the western south Atlantic Ocean

GL Mathias, SC Roud, CM Chiessi… - Paleoceanography …, 2021 - Wiley Online Library
Magnetic signals in deep‐sea sediments have the potential to unravel past continental
environmental changes, via changes in primary terrigenous magnetic supply, but also …

Calcareous nannoplankton response to middle-late Eocene climate and sea-level changes in the SW Neo-Tethys

JH Messaoud, N Thibault, MH Aljahdali, C Yaich… - Marine …, 2024 - Elsevier
We investigate the response of calcareous nannoplankton to the middle-late Eocene
transition in the SW Neo-Tethys and compare our data to published results from X-ray …

Middle Eocene to early Oligocene biostratigraphy in the SW Neo-Tethys (Tunisia): Large-scale correlations using calcareous nannofossil events and …

JH Messaoud, N Thibault, MH Aljahdali… - Journal of African Earth …, 2023 - Elsevier
We integrate previous Bayesian and astronomically tuned age calibrations of the calcareous
nannofossils events with our large-scale correlations to discuss using the standard …

Deoxygenation and organic carbon sequestration in the Tethyan realm associated with the middle Eocene climatic optimum

MJ Cramwinckel, R van der Ploeg… - …, 2023 - pubs.geoscienceworld.org
The middle Eocene climatic optimum (ca. 40 Ma) stands out as a transient global warming
phase of∼ 400 ky duration that interrupted long-term Eocene cooling; it has been …