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Redox evolution of a degassing magma rising to the surface

Author

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  • Alain Burgisser

    (ISTO, UMR 6113 Université d’Orléans-CNRS)

  • Bruno Scaillet

    (ISTO, UMR 6113 Université d’Orléans-CNRS)

Abstract

Volcanic gases can mislead The compositions of volcanic gases can be used by geologists to monitor volcanic activity or as a pointer to how the composition of the atmosphere has evolved with time. It is implicitly assumed that these gases faithfully reflect the conditions, in particular the redox state, of their source magma. But detailed physico-chemical modelling of the degassing processes reveals that this assumption is not generally valid and that the redox state of erupted magmas does not necessarily reflect the redox state of the gases emitted into the atmosphere.

Suggested Citation

  • Alain Burgisser & Bruno Scaillet, 2007. "Redox evolution of a degassing magma rising to the surface," Nature, Nature, vol. 445(7124), pages 194-197, January.
    • Handle: RePEc:nat:nature:v:445:y:2007:i:7124:d:10.1038_nature05509
    DOI: 10.1038/nature05509
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    Cited by:

    1. Fangyi Zhang & Vincenzo Stagno & Lipeng Zhang & Chen Chen & Haiyang Liu & Congying Li & Weidong Sun, 2024. "The constant oxidation state of Earth’s mantle since the Hadean," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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