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A zircon case for super-wet arc magmas

Author

Listed:
  • Chetan Nathwani

    (ETH Zürich
    South Kensington)

  • Jon Blundy

    (University of Oxford)

  • Simon J. E. Large

    (South Kensington)

  • Jamie J. Wilkinson

    (South Kensington
    South Kensington)

  • Yannick Buret

    (South Kensington)

  • Matthew A. Loader

    (South Kensington)

  • Lorenzo Tavazzani

    (ETH Zürich)

  • Cyril Chelle-Michou

    (ETH Zürich)

Abstract

Arc magmas have higher water contents (2-6 wt.% H2O) than magmas generated in other tectonic environments, with a growing body of evidence suggesting that some deep arc magmas may be ‘super-wet’ (>6 wt.% H2O). Here, we use thermodynamic modelling to show that the behaviour of zirconium during magmatic differentiation is strongly sensitive to melt water contents. We demonstrate that super-wet magmas crystallise zircon with low, homogeneous titanium concentrations (75th percentile

Suggested Citation

  • Chetan Nathwani & Jon Blundy & Simon J. E. Large & Jamie J. Wilkinson & Yannick Buret & Matthew A. Loader & Lorenzo Tavazzani & Cyril Chelle-Michou, 2024. "A zircon case for super-wet arc magmas," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-52786-5
    DOI: 10.1038/s41467-024-52786-5
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    References listed on IDEAS

    as
    1. C. Brenhin Keller & Blair Schoene & Melanie Barboni & Kyle M. Samperton & Jon M. Husson, 2015. "Volcanic–plutonic parity and the differentiation of the continental crust," Nature, Nature, vol. 523(7560), pages 301-307, July.
    2. José Joaquín Jara & Fernando Barra & Martin Reich & Mathieu Leisen & Rurik Romero & Diego Morata, 2021. "Episodic construction of the early Andean Cordillera unravelled by zircon petrochronology," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
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