A thrust fault increases the thickness of the crust as it moves toward a continental interior in a mountain belt; yet the crust beyond the mountain front stays the same thickness.Isostasy would suggest that the area at the mountain front,where the thrust emerges,should ________ over time.
A)uplift
B)stay the same
C)subside
D)near sea level

Question

Quizplus · Accepted Answer

Isostasy suggests that as the crust thickens at the mountain front due to thrust faulting, the increased weight will cause the crust to subside over time to maintain gravitational equilibrium.

A Thrust Fault Increases the Thickness of the Crust as It