Great Oolite Group

Great Oolite Group Stratigraphic range: Bajocian to Callovian
Type	Group
Sub-units	Cornbrash Formation, Chipping Norton Limestone, Sharp's Hill Formation, Taynton Limestone Formation, Forest Marble Formation
Underlies	Ancholme Group
Overlies	Inferior Oolite Group
Thickness	22–200 m (72–656 ft) (224 m (735 ft) offshore)
Lithology
Primary	Limestone

The Great Oolite Group is a Middle Jurassic stratigraphic unit that outcrops in southern England and the Hebrides.Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the unit.

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