Commercially useful deposits of about 2m to 4m thick are present in Kent, Hertfordshire and Hampshire, overlying chalk, Thanet Beds or London Clay.
Thanet | Minster-in-Thanet | Isle of Thanet | Soft Beds, Hard Battles | Sackville Tufton, 8th Earl of Thanet | John Tufton, 2nd Earl of Thanet | Hastings Beds | Thanet Beds | Richard Tufton, 5th Earl of Thanet | Nicholas Tufton, 1st Earl of Thanet | 8th Earl of Thanet |
Eddington is approximately 13 metres above sea level, lying above mainly London Clay with some head Brickearth next to Plenty Brook; however to the east this changes to Tertiary deposits of the Thanet, Oldhaven and Woolwich beds.