In situ Raman spectroscopic study of interaction between phengite and water under PT conditions typical of subduction zones

  • S. V. GoryainovEmail author
  • A. S. Krylov
  • O. P. Polyansky
  • A. N. Vtyurin
  • N. Yu. Zmeeva
Proceedings of the “OMA-19”, “ODPO-19”


In situ Raman spectroscopy is used to study the layered mineral phengite K(Al, Mg)2(Si, Al)4O10(OH)2 in water under the high temperature and pressure conditions typical of cold subduction zones (T up to 373°C and P = 12.5 GPa). High pressure and temperature were created in a resistively heated diamond anvil cell. Raman spectra show the high PT stability of phengite. No reversible polymorphic transitions (overhydration or notable amorphization) are observed.


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Copyright information

© Allerton Press, Inc. 2017

Authors and Affiliations

  • S. V. Goryainov
    • 1
    Email author
  • A. S. Krylov
    • 2
  • O. P. Polyansky
    • 1
  • A. N. Vtyurin
    • 2
  • N. Yu. Zmeeva
    • 3
  1. 1.Sobolev Institute of Geology and MineralogyRussian Academy of Sciences, Siberian BranchNovosibirskRussia
  2. 2.Kirensky Institute of PhysicsRussian Academy of Sciences, Siberian BranchAkademgorodok, KrasnoyarskRussia
  3. 3.Ural State University of EconomicsYekaterinburgRussia

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