| A | B |
|---|
| sediments | loose materials |
| compaction | sediments are compressed |
| cementation | sediments glued together |
| detrital | made from broken fragments |
| conglomerate | detrital rocks from rounded fragments |
| breccia | detrital rocks from sharp fragments |
| chemical | minerals are left behind from a solution |
| organic | from the remains of living things |
| coquina | organic rock from large shell fragments |
| chalk | organic rock from microscopic shell fragments |
