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← GeographyWhich mechanism causes uplift and mountain formation along a reverse fault?
A)Elastic rebound during fault slip
B)Isostatic adjustment after sediment deposition
C)Compressional stress on crustal blocks✓
D)Thermal expansion of the underlying mantle
💡 Explanation
When compressional stress acts on a reverse fault, the hanging wall moves upward relative to the footwall because this aligns with the stress direction, resulting in crustal shortening and thickening, thus causing uplift and mountain formation. Therefore, differential movement accumulates, rather than isostatic adjustment or thermal expansion alone causing sufficient quick mountain building.
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