| Geoform Origin | Geologic |
| Geoform | Flat |
| Geoform Type | Tidal Flat |
| Definition | An extensive, nearly horizontal, barren (or sparsely vegetated) tract of land that is alternately covered and uncovered by the tide. Tidal flats consist of unconsolidated sediment (mostly clays, silts and/or sand, and organic materials). |