Solution

ID: past-exam-of-the-year-2-of-the-earth-sciences-geology-course-of-the-university-of-oxford/2023/paper-1/6/f/solution

For the transmitted S wave in sandstone, Snell law for elastic waves gives
The different transmitted P- and S-wave angles result from their different seismic velocities, despite their common horizontal seismic ray parameter.

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