Anisotropical Behaviour and Rheology of Rocks
Objective
Provide laboratory experience for the determination of physical properties of rocks and compare it with numerical predictions.
Content
- Description of physical properties (seismic, thermal and electrical conductivity, permeability etc.)
- Elasticity in isotropic media
- Microscopic aspects of anisotropy
- Elasticity and seismic velocities in crystals
- Elasticity in polyphase rocks
- Exercises with software (Mainprice) to calculate seismic properties
- Methods for the measurements of seismic properties of rocks in laboratory
- Practice on the bench with the oscilloscope
- Anisotropy at different scales
- Rheology and deformation mechanism: from single phase to polyphase rocks (solid state)
- Measurements and elaboration of LPO, SPO using OIM, Beartex, Surfor and Paror software
- Introduction to rheology and flow laws
- Deformation mechanism maps, crustal strength profiles and extrapolation from experiment to nature
- Experimental rock deformation techniques (stress-strain curves etc.)
- Experimental deformation in Laboratory. Practice using uniaxial experimental setup
- Example in the brittle field
- Experimental deformation practical in the Paterson gas rig