The Gault Formation was deposited in the Cretaceous and crops out from East Anglia to west Dorset, and from north-east Kent to Sussex.
Download our 3D geology models as Minecraft worlds and learn how geology can influence the landscape.
Deposition is the laying down of sediment carried by wind, water, or ice.
The Giant's Causeway and Causeway Coast form Northern Ireland's only UNESCO World Heritage Site, formed 60 million years ago.
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