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Replying to F. M. Richter Nature 472, 10.1038/nature09954 (2011)

In our Letter1, we showed that the phenomenon of isotope fractionation in silicate melts by thermal diffusion, first reported in 1998 (ref. 2), can be characterised by a parameter ΔST that is independent of temperature and composition. (Here ΔST is the difference in the Soret coefficient, ST, between isotopes of a diffusing element.) Richter3 questioned this finding by plotting Mg isotope ratio versus temperature data (figure 1 in ref. 3) for a subset of experiments from figure 3f of ref. 1.

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Figure 1: Variation of Mg and Fe isotope data with composition and temperature.

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References

  1. Huang, F. et al. Isotope fractionation in silicate melts by thermal diffusion. Nature 464, 396–400 (2010)

    Article  ADS  CAS  Google Scholar 

  2. Kyser, T. K., Lesher, C. E. & Walker, D. The effects of liquid immiscibility and thermal diffusion on oxygen isotopes in silicate liquids. Contrib. Mineral. Petrol. 133, 373–381 (1998)

    Article  ADS  CAS  Google Scholar 

  3. Richter, F. M. Isotope fractionation in silicate melts by thermal diffusion. Nature 472, 10.1038/nature09954 (this issue).

    Article  ADS  CAS  Google Scholar 

  4. Huang, F. et al. Chemical and isotopic fractionation of wet andesite in a temperature gradient: experiments and models suggesting a new mechanism of magma differentiation. Geochim. Cosmochim. Acta 73, 729–749 (2009)

    Article  ADS  CAS  Google Scholar 

  5. Astumian, R. D. Coupled transport at the nanoscale: the unreasonable effectiveness of equilibrium theory. Proc. Natl Acad. Sci. USA 104, 3–4 (2007)

    Article  ADS  CAS  Google Scholar 

  6. Debuschewitz, C. & Kohler, W. Molecular origin of thermal diffusion in benzene + cyclohexane mixtures. Phys. Rev. Lett. 87, 055901 (2001)

    Article  ADS  CAS  Google Scholar 

  7. Putnam, S. A., Cahill, D. G. & Wong, G. C. L. Temperature dependence of thermodiffusion in aqueous suspensions of charged nanoparticles. Langmuir 23, 9221–9228 (2007)

    Article  CAS  Google Scholar 

  8. Reith, D. & Muller-Plathe, F. On the nature of thermal diffusion in binary Lennard-Jones liquids. J. Chem. Phys. 112, 2436–2453 (2000)

    Article  ADS  CAS  Google Scholar 

  9. Richter, F. M. et al. Magnesium isotope fractionation in silicate melts by chemical and thermal diffusion. Geochim. Cosmochim. Acta 72, 206–220 (2008)

    Article  ADS  CAS  Google Scholar 

  10. Richter, F. M. et al. Isotopic fractionation of the major elements of molten basalt by chemical and thermal diffusion. Geochim. Cosmochim. Acta 73, 4250–4263 (2009)

    Article  ADS  CAS  Google Scholar 

  11. Lesher, C. E. & Walker, D. Solution properties of silicate liquids from thermal diffusion experiments. Geochim. Cosmochim. Acta 50, 1397–1411 (1986)

    Article  ADS  CAS  Google Scholar 

  12. Lesher, C. E. & Walker, D. in Diffusion, Atomic Ordering, and Mass Transport (ed. Ganguly, J. ) 396–451 (Adv. Phys. Geochem. 8, Springer, 1991)

    Book  Google Scholar 

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Huang, F., Chakraborty, P., Lundstrom, C. et al. Huang et al. reply. Nature 472, E2–E3 (2011). https://doi.org/10.1038/nature09955

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