From Wikipedia, the free encyclopedia
Pointe aux Chenes Formation
Stratigraphic range: Silurian
Mackinac Breccia, Devonian (St. Ignace Dolomite; Upper Peninsula of Michigan)
Type Formation
Unit of Bass Islands Group
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.

References

  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.[ better source needed]