[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 …

Unmixing biogenic and terrigenous magnetic mineral components in red clay of the Pacific Ocean using principal component analyses of first-order reversal curve …

T Yamazaki, W Fu, T Shimono, Y Usui - Earth, Planets and Space, 2020 - Springer
Red clay widely occupies the seafloor of pelagic environments in middle latitudes, and
potentially preserves long paleoceanographic records. We conducted a rock-magnetic study …

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 …

Mind the gap: Towards a biogenic magnetite palaeoenvironmental proxy through an extensive finite-element micromagnetic simulation

TA Berndt, L Chang, Z Pei - Earth and Planetary Science Letters, 2020 - Elsevier
Magnetotactic bacteria (MTB) preserved in sediments (magnetofossils) are highly sensitive
to environmental and climatic forcing and can therefore be used as an easy-to-measure …

Relation of the average interaction field with the coercive and interaction field distributions in First order reversal curve diagrams of nanowire arrays

YG Velázquez, AL Guerrero, JM Martínez, E Araujo… - Scientific Reports, 2020 - nature.com
First-order reversal curve diagrams, or FORC diagrams, have been studied to determine if
the widths of their distributions along the interaction and coercivity axes can be related to the …

Magnetite magnetofossils record biogeochemical remanent magnetization in hydrogenetic ferromanganese crusts

W Yuan, H Zhou, Z Yang, JR Hein, Q Yang - Geology, 2020 - pubs.geoscienceworld.org
Records of natural remanent magnetization (NRM) and geomagnetic polarity reversals
preserved within ferromanganese (Fe-Mn) crusts, together with the application of fine …

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 …

[HTML][HTML] Diagenetic formation of bedded chert: Implications from a rock magnetic study of siliceous precursor sediments

A Abrajevitch - Earth and Planetary Science Letters, 2020 - Elsevier
Bedded chert is a distinctive rock type characterized by a rhythmic alternation of quartz-rich
chert beds and clay-rich interbeds. The origin of the lithologic variations is not well …

Particle-size dependent magnetic properties of Scotia Sea sediments since the Last Glacial Maximum: Glacial ice-sheet discharge controlling magnetic proxies

JY Shin, S Kim, X Zhao, KC Yoo, Y Yu, JI Lee… - Palaeogeography …, 2020 - Elsevier
The strong glacial–interglacial similarity between the magnetic susceptibility (MS) of
Southern Ocean sediments and Antarctic ice core dust records has often been used to …

Reductive dissolution of biogenic magnetite

T Yamazaki - Earth, Planets and Space, 2020 - Springer
Reductive dissolution of magnetite is known to occur below the Fe-redox boundary in
sediments. In this study, detailed processes associated with biogenic magnetite dissolution …