Crag Farm Pit at Sudbourne is the type locality of the Sudbourne Member of the Coralline Crag. Cross-bedded shelly sand and bryozoans preserve evidence of Pliocene tidal sandwaves. The pit is on private land: arrange permission and confirm the available exposure before travelling, with no assumption of public entry or digging rights. Pliocene, Disused Pit, Rating: ♦♦♦