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18 - 21:43 Ex:1999Izmit, Hangingwallwentdown=normalfault...

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21:43 Ex: 1999 Izmit, Turkey  Railroad  Right Lateral Stike Slip Hanging wall went down = normal fault Divergent Boundaries:  Iceland  North American plate/Eurasion Plate = Divergent Boundary The orientation of sigma 1, pushing together hard Sigma 3 is opposite and horizontal of the arrows, doing the least work SEE DIAGRAM 1 and 2 Normal Faults = Horizontal Extension Reverse Faults = Horizontal Shortening (Compression), builds mountains DIAGRAM 3   Horst (higher points) and Graben (lower points) -Basin & range Province Western US Stress—at any random point inside the earth we can break the stress down
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Principal Stresses: Total Stresses ( σ  -sigma ) at any point can be broken down into 3 mutually  perpendicular principal stresses All stresses are pointing inward Rocks are being compressed from all directions All mutually perpendicular 1.  σ   1  = 
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