Magnesium is not usually considered to be a constituent of Earth's core, but its presence there has now been proposed to explain an ongoing enigma — the identity of the energy sources that drive our planet's magnetic field. See Letter p.387
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References
Nimmo, F. in Treatise on Geophysics 2nd edn (ed. Schubert, G.) 31–55 (Elsevier, 2015).
Pozzo, M., Davies, C., Gubbins, D. & Alfè, D. Nature 485, 355–358 (2012).
Gomi, H. & Hirose, K. Phys. Earth Planet. Inter. 247, 2–10 (2015).
O'Rourke, J. G. & Stevenson, D. J. Nature 529, 387–389 (2016).
Tarduno, J. A. et al. Science 327, 1238–1240 (2010).
Badro, J., Côté, A. S. & Brodholt, J. P. Proc. Natl Acad. Sci. USA 111, 7542–7545 (2014).
Wahl, S. M. & Militzer, B. Earth Planet. Sci. Lett. 410, 25–33 (2015).
Takafuji, N., Hirose, K., Mitome, M. & Bando, Y. Geophys. Res. Lett. 32, L06313 (2005).
Fischer, R. A. et al. Geochim. Cosmochim. Acta 167, 177–194 (2015).
Buffett, B. A., Garnero, E. J. & Jeanloz, R. Science 290, 1338–1342 (2000).
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Buffett, B. Another energy source for the geodynamo. Nature 529, 288–289 (2016). https://doi.org/10.1038/529288a
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DOI: https://doi.org/10.1038/529288a
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