Gault
The Gault Formation is a geological formation of stiff blue clay deposited in a calm, fairly deep-water marine environment during the Lower Cretaceous Period. It is well exposed in... Wikipedia
- Type: Geological formation
- Unit of: Selborne Group
- Underlies: Upper Greensand Formation, Cambridge Greensand, Chalk Group
- Overlies: Monk's Bay Sandstone Formation, Folkestone Formation, Woburn Sands Formation, Carstone Formation, overstepping of Jurassic and Triassic rocks in Southern England
- Thickness: 2 m in Norfolk to 110 m in the Weald
- Primary: Mudstone, clay
- Other: Limestone
- Region: England
- Location: Copt Point, Folkestone
- Data source: DuckDuckGo