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earth crust movement
Movement of the earths crust
| Question | Answer |
|---|---|
| What are the three basic types of stress? | Compression,tension, and shearing |
| As rocks undergo stress, they slowly change... | Shape and Volume |
| The breaking tilting and folding of rocks is called? | Deformation |
| A crack in the earth's surface caused by stress is called? | A Fracture |
| A break or crack along which rocks move is called a? | Fault |
| The block of rock above a fault is called the? | Hanging Wall |
| The block of rock below the fault is called the? | Foot Wall |
| What type of fault is caused when compression causes the hanging wall to slide over the foot wall? | Trust Fault |
| A fault where the blocks move horizontally past each other is called a? | Lateral Fault |
| Mountains formed by blocks of rock uplifted by normal faults are called? | Fault Block Mountains |
| Type of valley formed when the block of land between two normal faults slides downward | Rift Valley |
| A Bend in a rock is called a? | Fold |
| An upward fold is called a? | Anticline |
| A downward fold is called a? | Syncline |
| A large area of flat land that is raised high above sea level | Plateau |
| The uplifted area created by rising magma is called? | A Dome |
| Beneath the earth's crust is a layer called | The Mantle |
| What is the balance of force between the crust and the mantle called? | isostasy |
| Which is more dense the mantle rocks or crust rocks? | Mantle Rocks |