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← GeographyWhich deformation occurs when seismic waves pass through different rock types near a transform fault?
A)Wave reflection due to impedance contrasts
B)Shear stress increasing fracturing intensity✓
C)Brittle failure propagating displacement event
D)Elastic rebound accumulating lithospheric energy
💡 Explanation
When seismic waves encounter different rock types, varying seismic impedance causes refraction and reflection because of variations in wave speed and density which concentrate stress creating micro-fractures. Therefore, shearing increases fracture intensity, rather than other failure events that would require larger-scale crustal movements.
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