Magnetofossil abundance and diversity as paleoenvironmental proxies: a case study from southwest Iberian margin sediments
It is still contentious how the abundance and diversity of magnetofossils reflect varying
paleoenvironmental conditions. Here, we apply rock magnetic methods and transmission …
paleoenvironmental conditions. Here, we apply rock magnetic methods and transmission …
Paleoenvironmental controls on the abundances of magnetofossils in the southwestern Iberian margin
K He, X Zhao, Z Jiang, S Li - Journal of Geophysical Research …, 2024 - Wiley Online Library
Magnetofossils are nanosized magnetic fossil remnants of magnetotactic bacteria (MTB) that
are widely distributed in marine and freshwater sediments. Past studies have revealed that …
are widely distributed in marine and freshwater sediments. Past studies have revealed that …
In situ magnetic identification of giant, needle-shaped magnetofossils in Paleocene–Eocene Thermal Maximum sediments
Near-shore marine sediments deposited during the Paleocene–Eocene Thermal Maximum
at Wilson Lake, NJ, contain abundant conventional and giant magnetofossils. We find that …
at Wilson Lake, NJ, contain abundant conventional and giant magnetofossils. We find that …
Biogenic magnetite, detrital hematite, and relative paleointensity in Quaternary sediments from the Southwest Iberian Margin
Magnetic properties of late Quaternary sediments on the SW Iberian Margin are dominated
by bacterial magnetite, observed by transmission electron microscopy (TEM), with …
by bacterial magnetite, observed by transmission electron microscopy (TEM), with …
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 …
such particles contribute to sedimentary paleomagnetic signals. We studied a sediment core …
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 …
variations in environmental studies. Conventional room temperature measurements of bulk …
[HTML][HTML] Paleomagnetic and paleoenvironmental implications of magnetofossil occurrences in late Miocene marine sediments from the Guadalquivir Basin, SW Spain
Although recent studies have revealed more widespread occurrences of magnetofossils in
pre-Quaternary sediments than have been previously reported, their significance for …
pre-Quaternary sediments than have been previously reported, their significance for …
Introduction to'Magnetic iron minerals in sediments and their relation to geologic processes, climate, and the geomagnetic field'
Iron is the fourth most common element on Earth and gives rise to the magnetic properties of
rock-forming minerals. Magnetic iron minerals are, therefore, abundant and occur in almost …
rock-forming minerals. Magnetic iron minerals are, therefore, abundant and occur in almost …
Discovery of giant magnetofossils within and outside of the Palaeocene-Eocene Thermal Maximum in the North Atlantic
P Xue, L Chang, Z Pei, RJ Harrison - Earth and Planetary Science Letters, 2022 - Elsevier
Giant magnetofossils have exceptionally large grain sizes and peculiar morphologies
compared to conventional biogenic magnetite nanoparticles. The origin of these unusual …
compared to conventional biogenic magnetite nanoparticles. The origin of these unusual …
Searching for single domain magnetite in the “pseudo‐single‐domain” sedimentary haystack: Implications of biogenic magnetite preservation for sediment magnetism …
Magnetic hysteresis measurements of sediments have resulted in widespread reporting of
“pseudo‐single‐domain”‐like magnetic properties. In contrast, the ideal single domain (SD) …
“pseudo‐single‐domain”‐like magnetic properties. In contrast, the ideal single domain (SD) …