Unlocking information about fine magnetic particle assemblages from first-order reversal curve diagrams: Recent advances

AP Roberts, D Heslop, X Zhao, H Oda, R Egli… - Earth-Science …, 2022 - Elsevier
The magnetic domain state of a material determines its magnetic recording capability and
magnetic properties. Constraining the domain state of magnetic components within …

Rock magnetic characterization of returned samples from asteroid (162173) Ryugu: implications for paleomagnetic interpretation and paleointensity estimation

M Sato, Y Kimura, S Tanaka… - Journal of …, 2022 - Wiley Online Library
In this study, systematic rock magnetic measurements and saturation isothermal remanent
magnetization (SIRM) paleointensity calibration experiments were conducted for the …

Hysteresis of natural magnetite ensembles: Micromagnetics of silicate‐hosted magnetite inclusions based on focused‐ion‐beam nanotomography

ES Nikolaisen, RJ Harrison, K Fabian… - Geochemistry …, 2020 - Wiley Online Library
Three‐dimensional geometries of silicate‐hosted magnetic inclusions from the Harcus
intrusion, South Australia have been determined using focused‐ion‐beam nanotomography …

Biomineralization and magnetism of uncultured magnetotactic coccus strain THC‐1 with non‐chained magnetosomal magnetite nanoparticles

J Li, N Menguy, E Leroy, AP Roberts… - … Research: Solid Earth, 2020 - Wiley Online Library
Magnetotactic bacteria (MTB) have long fascinated geologists and biologists because they
biomineralize intracellular single domain (SD) magnetite crystals within magnetosomes that …

An automatic model selection‐based machine learning framework to estimate FORC distributions

D Heslop, AP Roberts, H Oda, X Zhao… - Journal of …, 2020 - Wiley Online Library
First‐order reversal curve (FORC) distributions are a powerful diagnostic tool for
characterizing and quantifying magnetization processes in fine magnetic particle systems …

Understanding nonideal paleointensity recording in igneous rocks: Insights from aging experiments on lava samples and the causes and consequences of “fragile” …

L Tauxe, CN Santos, B Cych, X Zhao… - Geochemistry …, 2021 - Wiley Online Library
The theory for recording of thermally blocked remanences predicts a quasilinear relationship
between low fields like the Earth's in which rocks cool and acquire a magnetization. This …

Magnetic Domain State and Anisotropy in Hematite (α‐Fe2O3) From First‐Order Reversal Curve Diagrams

AP Roberts, X Zhao, P Hu, A Abrajevitch… - Journal of …, 2021 - Wiley Online Library
Hematite carries magnetic signals of interest in tectonic, paleoclimatic, paleomagnetic, and
planetary studies. First‐order reversal curve (FORC) diagrams have become an important …

A 4,565-My-old record of the solar nebula field

C Maurel, J Gattacceca - Proceedings of the National …, 2024 - National Acad Sciences
Magnetic fields in protoplanetary disks are thought to play a prominent role in the formation
of planetary bodies. Acting upon turbulence and angular momentum transport, they may …

Progressive dissolution of titanomagnetite in high‐temperature hydrothermal vents dramatically reduces magnetization of Basaltic Ocean crust

S Wang, L Chang, T Wu, C Tao - Geophysical Research Letters, 2020 - Wiley Online Library
Hydrothermal alteration at high‐temperature vents near mid‐ocean ridge is thought to
produce pervasive magnetization lows on basaltic ocean crust, but the detailed alteration …

Characterization and quantification of magnetofossils within abyssal manganese nodules from the Western Pacific Ocean and implications for nodule formation

XD Jiang, X Zhao, YM Chou, QS Liu… - Geochemistry …, 2020 - Wiley Online Library
Abyssal manganese nodules have been explored widely for their economic potential and
paleoenvironmental significance. Debate about whether biogenic or physical‐chemical …