Skip to main content

Thank you for visiting You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

  • News & Views
  • Published:


Geodynamo recharged

Transition from a weak and erratic geomagnetic field to a more stable one around 560 million years ago, inferred from palaeomagnetic measurements, suggests that the inner core may have solidified around that time, much later than thought.

This is a preview of subscription content, access via your institution

Relevant articles

Open Access articles citing this article.

Access options

Buy this article

Prices may be subject to local taxes which are calculated during checkout

Fig. 1: Core and field.

Roberto Molar Candanosa and Peter Driscoll


  1. Lehmann, I. Publ. Bur. Centr. Seism. Internat. Serie A 14, 87–115 (1936).

    Google Scholar 

  2. Bono, R. K., Tarduno, J. A., Nimmo, F. & Cottrell, R. D. Nat. Geosci. (2019).

  3. Driscoll, P. E. Geophys. Res. Lett. 43, 5680–5687 (2016).

    Article  Google Scholar 

  4. Landeau, M., Aubert, J. & Olson, P. Earth Planet. Sci. Lett. 465, 193–204 (2017).

    Article  Google Scholar 

  5. Robert, B., Greff-Lefftz, M. & Besse, J. Geochem. Geophys. Geosyst. 19, 3478–3495 (2018).

    Article  Google Scholar 

  6. Bazhenov, M. L. et al. Earth Planet. Sci. Lett. 435, 124–135 (2016).

    Article  Google Scholar 

  7. Halls, H. C., Lovette, A., Hamilton, M. & Söderlund, U. Precambrian Res. 257, 137–166 (2015).

    Article  Google Scholar 

  8. Abrajevitch, A. & Van der Voo, R. Earth Planet. Sci. Lett. 293, 164–170 (2010).

    Article  Google Scholar 

  9. Driscoll, P. & Bercovici, D. Phys. Earth Planet. In. 236, 36–51 (2014).

    Article  Google Scholar 

  10. Davies, C. J. Phys. Earth Planet. In. 247, 65–79 (2015).

    Article  Google Scholar 

  11. Labrosse, S. Phys. Earth Planet. In. 247, 36–55 (2015).

    Article  Google Scholar 

  12. Nimmo, F. in Treatise on Geo-Physics 2nd edn (ed. Schubert, G.) 27–55 (Elsevier, Oxford, 2015).

  13. Olson, P. Science 342, 431–432 (2013).

    Article  Google Scholar 

  14. Hirose, K. et al. Nature 543, 99–102 (2017).

    Article  Google Scholar 

  15. O’Rourke, J. G. & Stevenson, D. J. Nature 529, 387–389 (2016).

    Article  Google Scholar 

Download references

Author information

Authors and Affiliations


Corresponding author

Correspondence to Peter Driscoll.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Driscoll, P. Geodynamo recharged. Nature Geosci 12, 83–84 (2019).

Download citation

  • Published:

  • Issue Date:

  • DOI:

This article is cited by


Quick links

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing