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Stack #3533825
| Question | Answer |
|---|---|
| Sediments | Sediments are small pieces of rock that are moved and deposited by water, wind, glaciers, and gravity. |
| Weathering | Weathering produces rock and mineral fragments known as sediments. |
| Chemical Weathering | Chemical weathering occurs when the minerals in a rock are dissolved or otherwise chemically changed. |
| Physical Weathering | During physical weathering, however, minerals remain chemically unchanged. |
| Erosion | Erosion is the removal and transport of sediment is called |
| Deposition | Deposition occurs is when transported sediments are deposited on the ground or sink to the bottom of a body of water |
| Lithification | Lithification, the physical and chemical processes that transform sediments into sedimentary rocks. |
| Compaction | Compaction is the weight of overlying sediments that forces the sediment grains closer together |
| Cementation | Cementation occurs when mineral growth glues sediment grains together into solid rock. |
| Bedding | Bedding is the primary feature of sedimentary rocks that is horizontal layering. |
| Graded bedding | Graded bedding is the bedding in which the particle sizes become progressively heavier and coarser toward the bottom layers. |
| Cross Bedding | Cross-bedding, is formed as inclined layers of sediment are deposited across a horizontal surface. |
| Ripple Marks | When sediment is moved into small ridges by wind or wave action or by a river current, ripple marks form. |