16 - This is what drives eqs DIAGRAM 2 Normal Stress acting...

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September 16, 2010 Why is this polar bear sprawling instead of walking on all fours? Decreasing stress on ice, so that he doesn’t break it The force is exerting downward Stress is 3D Stress inside Earth, always acts inward Always compressional  Stress at a point inside Earth is made up of an infinite number of vectors  (tractions) all pointing inward. Stress inside Earth comprises of 2 main components 1. Isotropic component of overall stress Due to weight of overlying rocks Same in all directions (pressure) Relative motion between tectonic plates Tectonic stress Not same in all directions
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Unformatted text preview: This is what drives eqs DIAGRAM 2 Normal Stress acting to keep the plane of interest blocked, to keep the fault from slipping Shear Stress SEE DIAGRAM 3 Faults-Faults form/move in response to stresses inside the earth-All stresses are caused by relative motions and plates-Plate boundaries, stresses, and faulting -3 types of plate boundaries-Not coincidentally, 3 types of faults Divergent Plate Boundaries:-Normal Faults-Inclined fault planes that accommodate a component of vertical motion-DIAGRAM 4 DIAGRAM 5 Hanging Wall/ Foot Wall 21:42 21:42 21:42...
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16 - This is what drives eqs DIAGRAM 2 Normal Stress acting...

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