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Minerals, transformations, and reactions

Master course offered biannually in winter semester (2016, 2018 etc.)

Geodynamic processes are accompanied by steady changes in mineral assemblages and textures and rocks often contain record of mineral assemblages forming under variable conditions. The course concentrates on mineral transformations and reactions occuring over a wide pressure-temperature range of regional and contact metamorphic conditions. It includes principles of crystal chemistry, mineral thermodynamics, geothermobarometry, inverse modeling of metamorphic events and forward prediction of metamorphic assemblages and phase diagrams, fundamentals of crystal deformation and plasticity, recrystallization mechanisms and paleopiezometry. Students will acquire working knowledge of software packages Thermocalc, Theriak and Perplex. 

Instructor: Prof. David Dolejs

Course format: 2 hr lecture, 2 hr practical session

Course contents

  • Crystal chemistry of rock-forming minerals
  • Thermodynamics of minerals and geological fluids
  • Activity-composition relationships of silicates, oxides and carbonates
  • Formulation of thermodynamic models for rock-forming minerals
  • Computer calculation of metamorphic equilibria: Thermocalc, Theriak and Perplex software
  • Chemical potentials and reaction affinity as driving forces for phase transformations
  • Reaction kinetics and diffusion
  • Deformation laws and paleopiezometry
  • Rheology of polycrystalline aggregates


Course materials are provided in the on-line university system (ILIAS)

Benutzerspezifische Werkzeuge