Lecture 6 Fault basis
Lecture 6 Fault Basis
FRACTURING 1)Rupture -loss of cohesion, breaking of bonds 2) Displacement a) No sliding -Joint b) Sliding-Fault 3)Filled by minerals- vein Jointing ↑Fing Veining
FRACTURING: 1) Rupture – loss of cohesion, breaking of bonds 2) Displacement a) No sliding – Joint b) Sliding – Fault 3) Filled by minerals - Vein Jointing Faulting Veining
footwall hangingwall Components of Fault Displacement SS, strike-slip component; ds, dip-slip component; PP true displacement vector
Components of Fault Displacement ss, strike-slip component; ds, dip-slip component; PP’, true displacement vector
TERMINOLOGY FOR DISPLACEMENT Dip Slip Strike-Slip Net slip a iS the rake Angle (落差) Throw: Vertical component of dip sli (平错) Heave: Horizontal component of dip slip
TERMINOLOGY FOR DISPLACEMENT Net Slip Dip Slip Strike-Slip is the Rake Angle (落差)Throw: Vertical component of dip slip (平错) Heave: Horizontal component of dip slip
力 ds Geometry of Dip-Slip Fault Displacement h, heave, t, throw; a, angle of dip 0, angle of hade(=90-dip angle) ds, dip-slip component of displacement
Geometry of Dip-Slip Fault Displacement h, heave; t, throw; , angle of dip; , angle of hade(=90-dip angle); ds, dip-slip component of displacement