Rock deformation: Ductile and brittle

Shun-ichiro Karato

Department of Geology and Geophysics, University of Minnesota

Teng-fong Wong

Department of Earth and Space Sciences, State University of New York at Stony Brook

• Introduction
• Plastic Deformation in the Deep Interior of the Earth
  • Technical Developments
  • Major Results
    • Effects of phase transformations.
    • (i) Effect of crystal structure:
    • (ii). Instability associated with phase transformations:
    • Pressure effects on high-temperature creep and related properties.
• Effects of Microstructure and Chemical Environment
• Brittle Faulting and The Transition to Crystal Plastic Flow
• Frictional Strength and Stability of Frictional Sliding
• Future Directions
  • Ductile Regime
    • Effects of phase transformations on rheology.
    • Deformation of two-phase mixtures.
    • Lattice preferred orientation.
  • Brittle Faulting, Frictional Instability and Fluid Transport
• References