DEFORMATION OF THE EARTHS CRUST

• Types of Deformation
• folds
• faults
• How Rocks Become Deformed
• compression forces
• tensional forces
• shearing forces
• Folded Rocks
• due to compressional forces
• types of folds
• monocline
• anticlines
• synclines
• overturned
• asymmetrical
• domes
• basins
• anatomy of a fold
• limbs
• axial plane
• plunge
• effects of folds
• mountain building (orogenies)
• Fractured Rocks
• How a rock breaks
• joints
• faults
• Anatomy of a fault
• head wall (or hanging wall)
• foot wall
• fault plane
• strike & dip
• Types faults
• dip-slip
• normal
• reverse and thrust fault
• strike-slip
• right & left lateral
• Effects of faulting
• horsts and grabbens