Outcrops of the Upper Greensand occur in the south-west of England including the Blackdown Hills and East Devon Plateau and the Haldon Hills, remnants of a once much wider extent.
Greensand Ridge | greensand | Greensand Ridge Walk | Cambridge Greensand |
Behind this are 300–350 metres of much less resistant clays and greensands (Wealden clays, Gault and Upper Greensand).
Sir A. Geikie (Text Book of Geology, 4th ed., 1903) regards Neocomian as synonymous with Lower Cretaceous, and he, like Renevier, closes this portion of the system at the top of the Lower Greensand (Aptian).
The Riverhead parkland is part of the former Montreal Park (the remaining part is an estate of detached homes) and offers walks and children's recreation areas traversing the wealden greensand vale of the Darent Valley between Riverhead Infants School and Brittains Lane, Sevenoaks.