Rock Deformation

Rock Deformation - Rock Deformation Rock Fracture Tensile...

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Rock Deformation Rock Fracture - Tensile fractures open out - Shear fractures slip along the fracture surface - Faults are a type of shear fracture Structure in zones of continental rifting - Normal fault : the top side slips down relative to the bottom side o Owens valley and the Sierra Nevada, California o Death Valley and the Panamint Range o Badwater fault, Death Valley o Mosaic canyon (Death Valley) Structure in zones of plate convergence - Reverse fault : the top side slips up relative to the bottom side o Shikoku, Japan o Glarus Thrust, Central Alps o Canadian Rockies: Main ranges o The continental suture in the alps Structures in Transform Zones - Strike-slip faults slip horizontally, parallel to the fault surface o The San Andreas Fault and the Salton trough o The San Andreas fault and the “Big Bend” The Three classes of fault - Normal faults - Reverse faults (and thrust faults) - Strike-slip faults Active faults Faults may break the earth’s surface in earthquakes This allows measurement of the rate and direction of motion
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This note was uploaded on 10/05/2008 for the course GEOL 105Lg taught by Professor Davis,platt during the Fall '07 term at USC.

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Rock Deformation - Rock Deformation Rock Fracture Tensile...

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