Manitoulin Dolomite

Manitoulin Dolomite
Stratigraphic range: Llandovery
TypeFormation
Unit ofCataract Group
UnderliesCabot Head Shale
OverliesBig Hill Formation
Location
RegionOhio, Ontario, and Michigan
CountryCanada and United States

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