Interpretation of anhysteretic remanent magnetization carriers in magnetofossil‐rich marine sediments

Q Zhang, AP Roberts, S Ge, Y Liu, J Liu… - Journal of …, 2022 - Wiley Online Library
The anhysteretic remanent magnetization (ARM) is an important magnetic parameter for
quantifying the concentration of “fine”, mostly sub‐micron ferrimagnetic particles in rocks and …

Magnetostatic interactions in deep‐sea sediments inferred from first‐order reversal curve diagrams: Implications for relative paleointensity normalization

T Yamazaki - Geochemistry, Geophysics, Geosystems, 2008 - Wiley Online Library
Understanding magnetostatic interactions in sediments is important for paleomagnetism and
rock magnetism. Magnetostatic interactions are known to affect significantly the efficiency of …

Assessment and integration of bulk and component‐specific methods for identifying mineral magnetic assemblages in environmental magnetism

Y Qian, AP Roberts, Y Liu, P Hu, X Zhao… - Journal of …, 2020 - Wiley Online Library
Magnetic parameters are used extensively to interpret magnetic mineral assemblage
variations in environmental studies. Conventional room temperature measurements of bulk …

Understanding the role of biogenic magnetite in geomagnetic paleointensity recording: Insights from Ontong Java Plateau sediments

J Li, T Yamazaki, Y Usui, T Sagawa… - Journal of …, 2022 - Wiley Online Library
Marine sediments can preserve continuous paleomagnetic intensity records. Different
magnetic minerals may acquire remanent magnetizations differently, so that compositional …

Variable remanence acquisition efficiency in sediments containing biogenic and detrital magnetites: Implications for relative paleointensity signal recording

T Ouyang, D Heslop, AP Roberts, C Tian… - Geochemistry …, 2014 - Wiley Online Library
Widespread geological preservation of biogenic magnetite makes it important to assess how
such particles contribute to sedimentary paleomagnetic signals. We studied a sediment core …

Environmental magnetism of Pleistocene sediments in the North Pacific and Ontong‐Java Plateau: Temporal variations of detrital and biogenic components

T Yamazaki - Geochemistry, Geophysics, Geosystems, 2009 - Wiley Online Library
An environmental magnetic study was conducted to investigate temporal variations of the
sources of magnetic minerals in the Pacific Ocean using sediment cores of Pleistocene age …

Post-depositional remanent magnetization lock-in for marine sediments deduced from 10Be and paleomagnetic records through the Matuyama–Brunhes boundary

Y Suganuma, J Okuno, D Heslop, AP Roberts… - Earth and Planetary …, 2011 - Elsevier
Geomagnetic field intensity records from marine sediments have contributed to improved
understanding of variations in the Earth's magnetic field, and have helped to establish age …

Correcting relative paleointensity records for variations in sediment composition: Results from a South Atlantic stratigraphic network

DI Hofmann, K Fabian - Earth and Planetary Science Letters, 2009 - Elsevier
Marine sediments record direction and intensity of the Earth's magnetic field by the
alignment of magnetic particles during deposition. For determining relative paleointensity …

Paleomagnetic recording efficiency of sedimentary magnetic mineral inclusions: Implications for relative paleointensity determinations

H Hong, L Chang, A Hayashida… - Journal of …, 2019 - Wiley Online Library
Sedimentary relative paleointensity (RPI) records are often carried by complex magnetic
mineral mixtures, including detrital and biogenic magnetic minerals. Recent studies have …

Natural remanent magnetization acquisition in bioturbated sediment: General theory and implications for relative paleointensity reconstructions

R Egli, X Zhao - Geochemistry, Geophysics, Geosystems, 2015 - Wiley Online Library
We present a general theory for the acquisition of natural remanent magnetizations (NRM) in
sediment under the influence of (a) magnetic torques,(b) randomizing torques, and (c) …