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chapter 5 KS
| Term | Definition |
|---|---|
| Sediments | small pieces of rock that are moved and deposited by water, wind, glaciers, and gravity. |
| Lithification | the physical and chemical processes that transform sediments into sedimentary rocks. |
| Cementation | Occurs when mineral growth glues sediment grains together into solid rock |
| Bedding | horizontal layering of sedimentary rocks |
| graded bedding | larger rocks toward the bottom layers |
| Cross-bedding | inclines layers of sediment and are deposited across a horizontal surface |
| Clastic sedimentary rocks | formed from the abundant deposits of loose sediments that accumulate earths surface |
| Clastic | comes from the Greek word klastos, meaning broken. |
| porosity | the percentage of open spaces between grains in a rock |
| evaporites |