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Structural geology (Rock Behavior (Influences on rock behavior…
Structural geology
Rock Behavior
Influences on rock behavior
Temperature
Pressure
Time (rate at which stress is applied)
Rock characteristics
brittle
ductile
elastic
Stresses
Compressive Stress
Compressive Stress
Shear Stress
Measuring Attitude of Rocks
Dip
strike
Dip Direction
Fractures in Rock
If a rock is brittle, it will fracture
Types of fractures
joints
faults
strike-slip
normal
reverse
Horsts and Grabens
Fault & Fold Relationships
located at salt domes
Salt-created anticlines
Behaviour of Rocks: Stress & Strain
deformation
brittle
fault
joint
fault&joint
ductile
fault
joint
fault&joint
Basic Geometry of Folds
Syncline and Anticline
symmetrical
asymetrical
overturned
The Importance of Geological Structures
Structures other than folds
(anticline) can also trap oil & gas