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| Pregunta | Respuesta |
| Sedimentary Rock = | Began as sediment usually on seabed. |
| 1) | River transports rock. |
| 2) | Deposits rock at lake/sea. |
| 3) | Builds up in layers: sediments. This is known as SEDIMENTATION. |
| 4) | Weight of sediments compact bottom sediments. |
| 5) | Water is squeezed out and crystals are formed. |
| 6) | Crystals glue pieces of rock together: CEMENTATION. |
| 7) | Takes millions of years. |
| Examples | e.g. limestone & chalk=calcium bicarbonate from plant & animal remains. Sandstone & clay - compressed |
| Characteristics | layer appearance - strata may contain fossils |
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