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Earth Dynamic
Vocabulary
| Term | Definition |
|---|---|
| Isostasy | is the equilibrium between continetial crust and the denser mantel below it. |
| subsidence | The downward vertical motion of earth's surface. |
| uplift | The upward motion on 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 trenches | are deep,underwater troughs created by an oceanic plate subducting under another plate at a convergent plate boundary. |
| Volcanic arc. | A curved line of volcanoes that forms parallel to the plate boundary. |
| Transform faults | where tectonic plates horizontally slide past each other,they form . |
| Fault zone | an area of many fractured pieces of crust along a large fault |
| Folded mountains | are made of layers of rocks that are folded . |
| Fault-block mountains | are parellel ridges that form where blocks of crust move up or down a long faults. |
| uplifted mountains | when large regions rise vertically with very little deformation |
| basin | areas of subsidence and regions which low elvalation |
| platuea | flat regions with high evalations are called. |
| plain | is an extensive area of level or rolling land. |
Created by:
kailanih
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