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Earth science

Core composition revealed

The composition of Earth's core may be easier to resolve than previously thought. Laboratory experiments strengthen the hypothesis that oxygen and silicon are the prime candidates for the light elements present in the outer core.

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  1. 1

    Tsuno, K., Frost, D. J. & Rubie, D. C. Geophy. Res. Lett. 40, 66–71 (2013).

    ADS  CAS  Article  Google Scholar 

  2. 2

    Wood, B. J., Walter, M. J. & Wade, J. Nature 441, 825–833 (2006).

    ADS  CAS  Article  Google Scholar 

  3. 3

    Siebert, J., Badro, J., Antonangeli, D. & Ryerson, F. J. Science (2013).

  4. 4

    Alfè, D., Gillan, M. J. & Price, G. D. Earth Planet. Sci. Lett. 195, 91–98 (2002).

    ADS  Article  Google Scholar 

  5. 5

    Takafuji, N., Hirose, K., Mitome, M. & Bando, Y. Geophys. Res. Lett. 32, L06313 (2005).

    ADS  Article  Google Scholar 

  6. 6

    Martorell, B., Brodholt, J., Wood, I. G. & Vočadlo, L. Earth Planet. Sci. Lett. 365, 143–151 (2013).

    ADS  CAS  Article  Google Scholar 

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Correspondence to Lidunka Vočadlo.

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Vočadlo, L. Core composition revealed. Nature 495, 177–178 (2013).

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