Skip to main content

Thank you for visiting nature.com. 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.

Earth science

Lower mantle may be rich in silica

Subjects

There have been conflicting claims about the composition of Earth's lower mantle. The latest Brillouin-spectroscopy data suggest that this section of the planet's interior may contain more silica than the upper mantle. See Letter p.90

Your institute does not have access to this article

Access options

Buy article

Get time limited or full article access on ReadCube.

$32.00

All prices are NET prices.

References

  1. Murakami, M., Ohishi, Y., Hirao, N. & Hirose, K. Nature 485, 90–94 (2012).

    ADS  CAS  Article  Google Scholar 

  2. Dziewonski, A. M. & Anderson, D. L. Phys. Earth Planet. Inter. 25, 297–356 (1981).

    ADS  Article  Google Scholar 

  3. Sawamoto, H., Weidner, D. J., Sasaki, S. & Kumazawa, M. Science 224, 749–751 (1984).

    ADS  CAS  Article  Google Scholar 

  4. Duffy, T. S., Zha, C. S., Downs, R. T., Mao, H. K. & Hemley, R. J. Nature 378, 170–173 (1995).

    ADS  CAS  Article  Google Scholar 

  5. Sinogeikin, S. V & Bass, J. D. Phys. Earth Planet. Inter. 120, 43–62 (2000).

    ADS  CAS  Article  Google Scholar 

  6. Birch, F. J. Geophys. Res. 57, 227–286 (1952).

    ADS  CAS  Article  Google Scholar 

  7. Ringwood, A. E. & Major, A. Phys. Earth Planet. Inter. 3, 89–108 (1970).

    ADS  CAS  Article  Google Scholar 

  8. Liu, L. Earth Planet. Sci. Lett. 31, 200–208 (1976).

    ADS  CAS  Article  Google Scholar 

  9. Li, B. & Zhang, J. Phys. Earth Planet. Inter. 151, 143–154 (2005).

    ADS  CAS  Article  Google Scholar 

  10. Khan, A., Connolly, J. A. D. & Taylor, S. R. J. Geophys. Res. 113, B09308 (2008).

    ADS  Google Scholar 

  11. Matas, J., Bass, J., Ricard, Y., Mattern, E. & Bukowinski, M. S. T. Geophys. J. Int. 170, 764–780 (2007).

    ADS  CAS  Article  Google Scholar 

  12. Cobden, L. et al. J. Geophys. Res. 114, B11309 (2009).

    ADS  Article  Google Scholar 

  13. Stixrude, L. & Lithgow-Bertelloni, C. Geophys. J. Int. 162, 610–632 (2005).

    ADS  Article  Google Scholar 

  14. Kennett, B. L. N. & Jackson, I. Phys. Earth Planet. Inter. 176, 98–108 (2009).

    ADS  CAS  Article  Google Scholar 

  15. Murakami, M., Ohishi, Y., Hirao, N. & Hirose, K. Earth Planet. Sci. Lett. 277, 123–129 (2009).

    ADS  CAS  Article  Google Scholar 

  16. Li, B., Woody, K. & Kung, J. J. Geophys. Res. 111, B11206 (2006).

    ADS  Article  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Ian Jackson.

Rights and permissions

Reprints and Permissions

About this article

Cite this article

Jackson, I. Lower mantle may be rich in silica. Nature 485, 51–52 (2012). https://doi.org/10.1038/485051a

Download citation

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1038/485051a

Search

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