Manitoulin Dolomite

Manitoulin Dolomite Stratigraphic range: Llandovery
Type	Formation
Underlies	Cabot Head Shale
Overlies	Big Hill Formation
Location
Region	Ontario and Michigan
Country	Canada and United States

The Manitoulin Dolomite is a geologic formation in Ontario. It preserves fossils dating back to the Silurian period.