Fall 2007 Providence College 1 Faults faults are fractures (breaks) in rocks along which appreciable displacement has taken place types of faults dip-slip fault movement along the inclination (dip) of fault plane parts of a dip-slip fault hanging wall – the rock above the fault surface footwall– the rock below the fault surface
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Fall 2007Providence College1 Faults faults are fractures (breaks) in rocks along which appreciable displacement has taken place types of faults dip-slip.
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Fall 2007 Providence College 1
Faults faults are fractures (breaks) in rocks along which appreciable displacement has taken placetypes of faults dip-slip fault
movement along the inclination (dip) of fault plane parts of a dip-slip fault
hanging wall – the rock above the fault surface footwall– the rock below the fault surface
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concept of hanging wall and footwall along a fault
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types of faultsnormal fault
hanging wall block moves down associated with fault-block mountains prevalent at spreading centers caused by tensional forces
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normal fault
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types of faultsreverse faults
hanging wall block moves up caused by strong compressional
stresses
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reverse fault
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types of faults
strike-slip faults dominant displacement is horizontal
and parallel to the trend, or strike transform fault
large strike-slip fault that cuts through the lithosphere