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Earth science

Small differences in sameness

Nature volume 497, pages 43–45 (2013)Cite this article

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Fresh evidence shows that the iron isotopic composition of Earth's silicate component does not, as was previously thought, reflect the formation of the planet's core at high pressure nor losses of material to space.

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Figure 1: Earth's formation and iron isotopic composition.

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  1. Alex N. Halliday is in the Department of Earth Sciences, University of Oxford, Oxford OX1 3AN, UK.,

    Alex N. Halliday

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  1. Alex N. Halliday
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Correspondence to Alex N. Halliday.

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Halliday, A. Small differences in sameness. Nature 497, 43–45 (2013). https://doi.org/10.1038/497043a

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