The viscosity of hydrous dacitic liquids: implications for the rheology of evolving silicic magmas

@article{Whittington2009TheVO,
  title={The viscosity of hydrous dacitic liquids: implications for the rheology of evolving silicic magmas},
  author={A. Whittington and B. M. Hellwig and H. Behrens and Bastian Joachim and A. Stechern and F. Vetere},
  journal={Bulletin of Volcanology},
  year={2009},
  volume={71},
  pages={185-199}
}
  • A. Whittington, B. M. Hellwig, +3 authors F. Vetere
  • Published 2009
  • Chemistry
  • Bulletin of Volcanology
  • The viscosity of a series of six synthetic dacitic liquids, containing up to 5.04 wt% dissolved water, was measured above the glass transition range by parallel-plate viscometry. The temperature of the 1011 Pa s isokom decreases from 1065 K for the anhydrous liquid, to 864 K and 680 K for water contents of 0.97 and 5.04 wt% H2O. Including additional measurements at high temperatures by concentric-cylinder and falling-sphere viscometry, the viscosity (η) can be expressed as a function of… CONTINUE READING
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