Corsham Limestone Formation

The Corsham Limestone Formation is a geological formation in England. It is part of the Great Oolite Group and was deposited in the Bathonian stage of the Middle Jurassic. It is found in the central to southern regions of the Cotswolds.^[1]

Corsham Limestone Formation
Stratigraphic range: Bathonian PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Geological formation
Unit of	Great Oolite Group
Underlies	Forest Marble Formation
Overlies	Chalfield Oolite Formation, Athelstan Oolite Formation
Area	Cotswolds
Thickness	up to 9 metres (30 ft)
Lithology
Primary	Limestone
Location
Region	Europe
Country	England
Extent	Gloucestershire, Somerset
Type section
Named for	Corsham
Location	Corsham railway cutting
Thickness at type section	6.2-6.7 m