Comment on "Steady-state 226Ra/230Th disequilibrium in mantle minerals: Implications for melt transport rates in island arcs" by M.D. Feineman and D.J. DePaolo [Earth Planet. Sci. Lett. 215 (2003) 339-355]

R. George; M. Reagan; S. Turner; J. Gill; B. Bourdon

doi:10.1016/j.epsl.2004.10.021

Comment on "Steady-state 226Ra/230Th disequilibrium in mantle minerals: Implications for melt transport rates in island arcs" by M.D. Feineman and D.J. DePaolo [Earth Planet. Sci. Lett. 215 (2003) 339-355]

R. George^*, M. Reagan, S. Turner, J. Gill, B. Bourdon

^*Corresponding author for this work

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7 Citations (Scopus)

Abstract

In summary, we commend F&D for exploring the possible role of diffusion in generating ²²⁶Ra excesses and we do not doubt that such processes occur. However, for the reasons outlined above, we consider this mechanism unlikely to be the principle origin of the large ²²⁶Ra excesses observed in low-K basalts and basaltic andesites at arc front volcanoes.

Original language	English
Pages (from-to)	563-567
Number of pages	5
Journal	Earth and Planetary Science Letters
Volume	228
Issue number	3-4
DOIs	https://doi.org/10.1016/j.epsl.2004.10.021
Publication status	Published - 15 Dec 2004

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George, R., Reagan, M., Turner, S., Gill, J., & Bourdon, B. (2004). Comment on "Steady-state 226Ra/230Th disequilibrium in mantle minerals: Implications for melt transport rates in island arcs" by M.D. Feineman and D.J. DePaolo [Earth Planet. Sci. Lett. 215 (2003) 339-355]. Earth and Planetary Science Letters, 228(3-4), 563-567. https://doi.org/10.1016/j.epsl.2004.10.021

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abstract = "In summary, we commend F&D for exploring the possible role of diffusion in generating 226Ra excesses and we do not doubt that such processes occur. However, for the reasons outlined above, we consider this mechanism unlikely to be the principle origin of the large 226Ra excesses observed in low-K basalts and basaltic andesites at arc front volcanoes.",

author = "R. George and M. Reagan and S. Turner and J. Gill and B. Bourdon",

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George, R, Reagan, M, Turner, S, Gill, J & Bourdon, B 2004, 'Comment on "Steady-state 226Ra/230Th disequilibrium in mantle minerals: Implications for melt transport rates in island arcs" by M.D. Feineman and D.J. DePaolo [Earth Planet. Sci. Lett. 215 (2003) 339-355]', Earth and Planetary Science Letters, vol. 228, no. 3-4, pp. 563-567. https://doi.org/10.1016/j.epsl.2004.10.021

Comment on "Steady-state 226Ra/230Th disequilibrium in mantle minerals: Implications for melt transport rates in island arcs" by M.D. Feineman and D.J. DePaolo [Earth Planet. Sci. Lett. 215 (2003) 339-355]. / George, R.; Reagan, M.; Turner, S. et al.
In: Earth and Planetary Science Letters, Vol. 228, No. 3-4, 15.12.2004, p. 563-567.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Comment on "Steady-state 226Ra/230Th disequilibrium in mantle minerals

T2 - Implications for melt transport rates in island arcs" by M.D. Feineman and D.J. DePaolo [Earth Planet. Sci. Lett. 215 (2003) 339-355]

AU - George, R.

AU - Reagan, M.

AU - Turner, S.

AU - Gill, J.

AU - Bourdon, B.

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N2 - In summary, we commend F&D for exploring the possible role of diffusion in generating 226Ra excesses and we do not doubt that such processes occur. However, for the reasons outlined above, we consider this mechanism unlikely to be the principle origin of the large 226Ra excesses observed in low-K basalts and basaltic andesites at arc front volcanoes.

AB - In summary, we commend F&D for exploring the possible role of diffusion in generating 226Ra excesses and we do not doubt that such processes occur. However, for the reasons outlined above, we consider this mechanism unlikely to be the principle origin of the large 226Ra excesses observed in low-K basalts and basaltic andesites at arc front volcanoes.

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VL - 228

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JO - Earth and Planetary Science Letters

JF - Earth and Planetary Science Letters

IS - 3-4

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Comment on "Steady-state 226Ra/230Th disequilibrium in mantle minerals: Implications for melt transport rates in island arcs" by M.D. Feineman and D.J. DePaolo [Earth Planet. Sci. Lett. 215 (2003) 339-355]

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