Long-lived magnetism from solidification-driven convection on the pallasite parent body

James F. J. Bryson (), Claire I. O. Nichols, Julia Herrero-Albillos, Florian Kronast, Takeshi Kasama, Hossein Alimadadi, Gerrit van der Laan, Francis Nimmo and Richard J. Harrison
Additional contact information
James F. J. Bryson: University of Cambridge, Downing Street, Cambridge CB2 3EQ, UK
Claire I. O. Nichols: University of Cambridge, Downing Street, Cambridge CB2 3EQ, UK
Julia Herrero-Albillos: Centro Universitario de la Defensa, Carretera de Huesca s/n, E-50090 Zaragoza, Spain
Florian Kronast: Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
Takeshi Kasama: Center for Electron Nanoscopy, Technical University of Denmark, DK-2800 Kongens Lyngby, Denmark
Hossein Alimadadi: Center for Electron Nanoscopy, Technical University of Denmark, DK-2800 Kongens Lyngby, Denmark
Gerrit van der Laan: Diamond Light Source, Chilton, Didcot, Oxfordshire OX11 0DE, UK
Francis Nimmo: University of California
Richard J. Harrison: University of Cambridge, Downing Street, Cambridge CB2 3EQ, UK

Nature, 2015, vol. 517, issue 7535, 472-475

Abstract: Nanomagnetic imaging has been used to obtain a palaeomagnetic time series of two pallasite meteorites, revealing that their convection was driven by core solidification, which would have caused long-lived magnetic fields in the cores of early Solar System planetary bodies.

Date: 2015
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DOI: 10.1038/nature14114

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