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 …

Key signatures of magnetofossils elucidated by mutant magnetotactic bacteria and micromagnetic calculations

M Amor, J Wan, R Egli, J Carlut, C Gatel… - Journal of …, 2022 - Wiley Online Library
Magnetotactic bacteria (MTB) produce single‐stranded or multi‐stranded chains of magnetic
nanoparticles that contribute to the magnetization of sediments and rocks. Their magnetic …

Magnetic characterization of geologic materials with first-order reversal curves

R Egli - Magnetic measurement techniques for materials …, 2021 - Springer
Since their introduction in Earth sciences in 1990, first-order reversal curve (FORC)
measurements have become an important tool for characterizing geologic materials. The …

Domain state diagnosis in rock magnetism: Evaluation of potential alternatives to the Day diagram

AP Roberts, P Hu, RJ Harrison… - Journal of …, 2019 - Wiley Online Library
The Day diagram is used extensively in rock magnetism for domain state diagnosis. It has
been shown recently to be fundamentally ambiguous for 10 sets of reasons. This ambiguity …

East Asian monsoon evolution since the late Miocene from the South China Sea

C Gai, Q Liu, AP Roberts, Y Chou, X Zhao… - Earth and Planetary …, 2020 - Elsevier
Abstract The South China Sea (SCS) has become a global focus for paleoclimatic and
paleoceanographic studies due to its location, which makes it highly sensitive to the East …

[HTML][HTML] Classification of a complexly mixed magnetic mineral assemblage in Pacific Ocean surface sediment by electron microscopy and supervised magnetic …

J Li, Y Liu, S Liu, AP Roberts, H Pan, T Xiao… - Frontiers in Earth …, 2020 - frontiersin.org
Unambiguous magnetic mineral identification in sediments is a prerequisite for
reconstructing paleomagnetic and paleoenvironmental information from environmental …

Biomagnetic characterization of air pollution particulates in Lahore, Pakistan

HA Sheikh, BA Maher, V Karloukovski… - Geochemistry …, 2022 - Wiley Online Library
We report the characterization of anthropogenic magnetic particulate matter (MPM) collected
on leaves from roadside Callistemon (bottlebrush) trees from Lahore, Pakistan, and on …

Greigite formation modulated by turbidites and bioturbation in deep‐sea sediments offshore Sumatra

T Yang, MJ Dekkers, X Zhao… - Journal of …, 2022 - Wiley Online Library
Authigenic greigite may form at any time within a sediment during diagenesis. Its formation
pathway, timing of formation, and geological preservation potential are key to resolving the …

Seafloor magnetism under hydrothermal alteration: insights from magnetomineralogy and magnetic properties of the Southwest Indian Ridge basalts

S Wang, L Chang, C Tao, D Bilardello… - … Research: Solid Earth, 2021 - Wiley Online Library
Titanomagnetites in mid‐ocean ridge basalt (MORB) experience variable post crystallization
alterations associated with seafloor tectonic and environmental processes. Compared to low …

Magnetic evidence for Yellow River sediment in the late Holocene deposit of the Yangtze River Delta, China

F Wang, W Zhang, X Nian, AP Roberts, X Zhao… - Marine Geology, 2020 - Elsevier
Sediment source identification is critical for understanding delta evolution processes and for
managing delta sustainability, particularly for deltas experiencing significant recent fluvial …