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Chapter 8 Vocabulary
| Term | Definition |
|---|---|
| isostasy | the equilibrium between continental crust and the denser mantle below it |
| subsidence | the downward vertical motion of Earth's surface |
| uplift | the upward vertical motion of Earth's surface |
| compression | squeezing stress |
| tension | stress that pulls something apart |
| shear | parallel forces acting in opposite directions |
| strain | a change in the shape of rock caused by stress |
| ocean trench | deep, underwater troughs created by one plate subducting other another plate at a convergent plate boundary |
| volcanic arc | a curved line of volcanoes that form parallel to a plate boundary |
| transform fault | where tectonic plates slide horizontally past each other |
| fault zone | an area of many fractured pieces of crust along a large vault |
| folded mountain | made of layers of rocks that are folded |
| fault-block mountain | parallel ridges that form where blocks of crust move up or down along faults |
| uplifted mountain | when large regions rise vertically with very little deformation |
| plains | an extensive area of level of rolling land |
| basin | areas of subsidence and regions with low elevation |
| plateau | flat regions with high elevations |