Clay forming an extensive layer in south-eastern England, dating from the lower Eocene period.
Example sentencesExamples
- Colchester in Essex, where London clay underlies the estuaries, was the home of the renowned Pyfleet oysters.
- For cooling the building during warm weather, naturally chilled groundwater is brought up from the aquifer through holes bored through 410 feet of London clay.
- Residents in Southend, Westcliff and Leigh are likely to be hit particularly hard because the soil is predominantly London clay.