Magnetofossils: relicts and records of deep time and space
Magnetofossils are magnetic nanoparticles that represent the fossil remains of
microorganisms that biomineralize magnetic minerals in a genetically controlled manner …
microorganisms that biomineralize magnetic minerals in a genetically controlled manner …
Giant magnetofossils and hyperthermal events
Magnetotactic bacteria biomineralize magnetic minerals with precisely controlled size,
morphology, and stoichiometry. These cosmopolitan bacteria are widely observed in aquatic …
morphology, and stoichiometry. These cosmopolitan bacteria are widely observed in aquatic …
Key signatures of magnetofossils elucidated by mutant magnetotactic bacteria and micromagnetic calculations
Magnetotactic bacteria (MTB) produce single‐stranded or multi‐stranded chains of magnetic
nanoparticles that contribute to the magnetization of sediments and rocks. Their magnetic …
nanoparticles that contribute to the magnetization of sediments and rocks. Their magnetic …
Bullet‐shaped magnetite biomineralization within a magnetotactic Deltaproteobacterium: implications for magnetofossil identification
Magnetite produced by magnetotactic bacteria (MTB) provides stable paleomagnetic signals
because it occurs as natural single‐domain magnetic nanocrystals. MTB can also provide …
because it occurs as natural single‐domain magnetic nanocrystals. MTB can also provide …
Chemical signature of magnetotactic bacteria
There are longstanding and ongoing controversies about the abiotic or biological origin of
nanocrystals of magnetite. On Earth, magnetotactic bacteria perform biomineralization of …
nanocrystals of magnetite. On Earth, magnetotactic bacteria perform biomineralization of …
Magnetotactic bacteria and magnetofossils: ecology, evolution and environmental implications
Magnetotactic bacteria (MTB) are a group of phylogenetically diverse and morphologically
varied microorganisms with a magnetoresponsive capability called magnetotaxis or …
varied microorganisms with a magnetoresponsive capability called magnetotaxis or …
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 …
Magnetite as a prokaryotic biomarker: a review
C Jimenez‐Lopez, CS Romanek… - Journal of Geophysical …, 2010 - Wiley Online Library
Over the years, nanometer‐sized magnetite (Fe3O4) crystals have been recovered from
many modern and ancient environments including sediments and soils and even meteorites …
many modern and ancient environments including sediments and soils and even meteorites …
Magnetofossil spike during the Paleocene‐Eocene thermal maximum: Ferromagnetic resonance, rock magnetic, and electron microscopy evidence from Ancora, New …
Previous workers identified a magnetically anomalous clay layer deposited on the northern
United States Atlantic Coastal Plain during the Paleocene‐Eocene thermal maximum …
United States Atlantic Coastal Plain during the Paleocene‐Eocene thermal maximum …
Magnetic anisotropy, magnetostatic interactions and identification of magnetofossils
Single‐domain magnetite particles produced by magnetotactic bacteria (MTB) and aligned
in chains, called magnetosomes, are potentially important recorders of paleomagnetic …
in chains, called magnetosomes, are potentially important recorders of paleomagnetic …