入 Lecture 1 1 Inversion and joints Lecture outline INversion 2) Definition of fracturing: joints i faults and veins 3)Joint patterns 4)Joint surface 5)Joint statistics
Lecture 11 Inversion and Joints Lecture Outline 1) Inversion 2) Definition of fracturing: joints, faults and veins 3) Joint patterns 4) Joint surface 5) Joint statistics
A B Inversion: extensional half-graben reactivated in compression. Note that compressional folds coexisit with net normal displacement
Inversion: extensional half-graben reactivated in compression. Note that compressional folds coexisit with net normal displacement
FRACTURING: 1) Rupture-loss of cohesion, breaking of bonds 2)Displacement a) No sliding-Joint b)Sliding- Fault c) Cemented filled by minerals - vein Jointing ↑ Faulting Ining
FRACTURING: 1) Rupture – loss of cohesion, breaking of bonds 2) Displacement a) No sliding – Joint b) Sliding – Fault c) Cemented & filled by minerals - Vein Jointing Faulting Veining
EXTENSION JOINTS: LimEsTonE Sandstone
EXTENSION JOINTS: LIMESTONE & SANDSTONE
VEINS: EVIDENCE FOR FLUID FLOW
VEINS: EVIDENCE FOR FLUID FLOW