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I have been actively studying the geomagnetic field variations recorded by magnetization of lava flows and sediments with typical time constants from hundreds to millions years. Measurements of the total field vector allow us to address questions such as: what drives the fluctuations of the field refered as secular variation, what causes field reversals and what happens during the transition between the two polarity states, why does the field sometimes fails to reverse, what happens during field excursions, whether the mantle has a significant influence on some field instabilities etc.. Exploring the field behaviour in the past requires to assess the nature and the geomagnetic origin of the signals that are recorded by the magnetization of rocks. This can only be achieved by detailed knowledge of the processes involved in the acquisition of magnetization that are documented by rock magnetic experiments and analyzes.
I have also been interested in various other aspects linked to magnetism, such as studies related to the signature of climatic changes in rock magnetic parameters, in depositional processes, in mineralogical studies and in biomagnetism.
I have also been interested in various other aspects linked to magnetism, such as studies related to the signature of climatic changes in rock magnetic parameters, in depositional processes, in mineralogical studies and in biomagnetism.
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crossref(2024)
GEOCHEMISTRY GEOPHYSICS GEOSYSTEMSno. 3 (2023)
FRONTIERS IN EARTH SCIENCE (2022)
Journal Of Geophysical Research: Solid Earth (2022)
Quaternary Science Reviews (2021): 106809
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