click below
click below
Normal Size Small Size show me how
Ch 5.3 Vocabulary
Mass Movements
| Term | Definition |
|---|---|
| Mass Movement | The downslope movement of rock, regolith, and soil under the direct influence of gravity |
| Rockslide | Occurs when a mass of rock slides rapidly downslope along planes of weakness |
| Mudflow | Quickly moving downhill flow of soil and rock fragments containing a large amount of water |
| Creep | The slow downhill movement of soil and regolith |
| Rockfall | Occurs when rocks or rock fragments fall freely through the air; common on steep slopes |
| Slump | The downward slipping of a mass of rock or unconsolidated material moving as a unit along a curved surface |
| Earthflow | Slow-moving downslope movement of water-saturated, clay rich sediment, most characteristic of humid regions |