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651-4076-00L  Anisotropical Behaviour and Rheology of Rocks

SemesterSpring Semester 2016
Lecturers
Periodicityyearly recurring course
CourseDoes not take place this semester.
Language of instructionEnglish


AbstractAnisotropy of rocks: from laboratory measurements to numerical prediction. Link between structural geology, petrology and geophysics.
Rheology of rocks: from laboratory measurements to flow laws used for numerical modelling. Special emphasis on plastic deformation.
ObjectiveGive laboratory experience for the determination of physical properties of rocks and comparison with the numerical prediction.
ContentDescription 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 set-up. Example in the brittle field.
Experimental deformation practical in the Paterson gas rig.
LiteratureProperties of earth and planetary materials at high pressure and temperature (M. Manghnani and T. Yagi eds.) (1998). AGU Geophys. Monograph. 101, Washington DC. p562

Handbook of physical constants (P. Sydney and JR Clark eds.) (1966). GSA Memoir 97, New Haven, p587

Wave fields in real media: wave peropagation in anisotropic, anelastic and porous media. M. Carcione. (2001). Pergamon press, Amsterdam, p390

Experimental rock deformation. The brittle field. M.S. Paterson. (1978). Springer Verlag, Berlin, p254.

Phisical properties of crystals. J.F. Nye (1972) University press, Oxford. p322.

Mineral physics and crystallography: a handbook of physical consants. (T.J. Ahrens ed.). 1995. AGU reference shelf 2, Washington DC, p354

Rock physics and phase relations: a handbook of physical consants. (T.J. Ahrens ed.). 1995. AGU reference shelf 3, Washington DC, p236

Introduction to the physics of the earth’s interior. J.-P. Poirier. (1991) Cambridge University press. Cambridge p264

Introduction to the physics of rocks. Y. Gueguen and V. Palciauskas.(1994). Princeton University press. Princeton p294

Physical properties of rocks and minerals. (R.S.Charmicael ed.). (1989). CRC press. Boca Raton, p741.

Seismic anisotropy in the earth. V. Babuska and M. Cara (1991). Kluwer. Dordrtecht. p217.