St. Ignace Dolomite

Pointe aux Chenes Formation Stratigraphic range: Silurian
Type	Formation
Underlies	Put-in-Bay Dolomite
Overlies	Pointe aux Chenes Formation
Location
Region	Michigan
Country	United States

The St. Ignace Dolomite is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period.