Biogenic magnetite, detrital hematite, and relative paleointensity in Quaternary sediments from the Southwest Iberian Margin

JET Channell, DA Hodell, V Margari, LC Skinner… - Earth and Planetary …, 2013 - Elsevier
Magnetic properties of late Quaternary sediments on the SW Iberian Margin are dominated
by bacterial magnetite, observed by transmission electron microscopy (TEM), with …

RESET: A method to monitor thermoremanent alteration in Thellier‐series paleointensity experiments

H Wang, DV Kent - Geophysical research letters, 2021 - Wiley Online Library
Accurately estimating the paleomagnetic field intensity recorded in terrestrial and planetary
materials is the key to understanding dynamo processes. Thellier‐series stepwise‐heating …

Quantified abundance of magnetofossils at the Paleocene–Eocene boundary from synchrotron-based transmission X-ray microscopy

H Wang, J Wang, YK Chen-Wiegart… - Proceedings of the …, 2015 - National Acad Sciences
The Paleocene–Eocene boundary (∼ 55.8 million years ago) is marked by an abrupt
negative carbon isotope excursion (CIE) that coincides with an oxygen isotope decrease …

Drilling disturbance and constraints on the onset of the Paleocene–Eocene boundary carbon isotope excursion in New Jersey

PN Pearson, E Thomas - Climate of the Past, 2015 - cp.copernicus.org
The onset of the Paleocene–Eocene thermal maximum (PETM) and associated carbon
isotope excursion (CIE; approx. 56 Mya) was geologically abrupt, but it is debated whether it …

Paleogene Earth perturbations in the US Atlantic Coastal Plain (PEP-US): coring transects of hyperthermals to understand past carbon injections and ecosystem …

MM Robinson, KG Miller, TL Babila, TJ Bralower… - 2024 - sd.copernicus.org
The release of over 4500 Gt (gigatonnes) of carbon at the Paleocene–Eocene boundary
provides the closest geological analog to modern anthropogenic CO 2 emissions. The …

Changes in Non‐Dipolar Field Structure Over the Plio‐Pleistocene: New Paleointensity Results From Hawai'i Compared to Global Data Sets

B Cych, L Tauxe, G Cromwell, J Sinton… - Journal of …, 2023 - Wiley Online Library
A foundational assumption in paleomagnetism is that the Earth's magnetic field behaves as
a geocentric axial dipole (GAD) when averaged over sufficient timescales. Compilations of …

Enhanced magnetization of the Marlboro Clay as a product of soil pyrogenesis at the Paleocene–Eocene boundary?

DV Kent, L Lanci, H Wang, JD Wright - Earth and Planetary Science Letters, 2017 - Elsevier
Abstract The kaolinite-rich Marlboro Clay was deposited on the inner shelf in the Salisbury
Embayment of the US Atlantic margin at the onset of the carbon isotope excursion marking …

[HTML][HTML] Presumed magnetic biosignatures observed in magnetite derived from abiotic reductive alteration of nanogoethite

JL Till, Y Guyodo, F Lagroix… - Comptes …, 2017 - comptes-rendus.academie-sciences …
Résumé The oriented chains of nanoscale Fe-oxide particles produced by magnetotactic
bacteria are a striking example of biomineralization. Several distinguishing features of …

Ferromagnetic resonance of biogenic nanoparticle-chains

M Charilaou - Journal of Applied Physics, 2017 - pubs.aip.org
A robust method for the quantitative analysis of magnetic anisotropy in linear chains of
magnetic nanocrystals, based on ferromagnetic resonance spectroscopy and a …

Application of MNPs/ODA-SBA-15 composites in pretreatment of organophosphorus pesticide residues in green leafy vegetables

C Yuan, L Wang, X Hong, Z Chen - Journal of Porous Materials, 2024 - Springer
The self-developed magnetic nanoparticles supported octadecane amine-functionalized
mesoporous carbon composite was synthesized in this work. A sample pretreatment method …