Formation
body of rock identified by lithic characteristics and stratigraphic position; it is usually but not necessarily tabular and is mappable at the Earth's surface or traceable in the subsurface. Smaller than a subgroup
Fosters Point Formation
Manse Burn Formation
Spring Quarry Limestone
Manuel Creek Formation
Bonanza King Formation
Bond Formation
Marl Slate
Bone Spring Limestone
Cook Mountain Formation
Frome Clay
Alkali Canyon Formation
Copenhagen Formation
Fullers Earth Formation
Copper Ridge Dolomite
Stanford Formation
Coral Rag Formation
Corallian Group
Coralline Crag Formation
Gayle Shale
Boulder Creek Formation
Sternberg Formation
Bowden Formation
Bowen Formation
Bowling Green Dolomite
Bowser Formation
Corsicana Marl
Box Butte Formation
Marsh Farm Formation
Alston Formation
Alston Group
Sucker Creek Formation
Altamont Formation
Altamont Limestone
Sulphur Mountain Formation
May Hill Sandstone
Sully Beds
McKay Group
Survey Peak Formation
Cow Creek Limestone
Ambition Formation
Glyn Gower Formation
Goat Island Formation
Meissen Formation
Table Cove Formation
Table Point Formation
Graham Island Formation
Brad Formation
Bragdon Formation
Great Bear Cape Formation
Tamar Group