St. Edmund Formation

St. Edmund Formation
St. Edmund Formation
Stratigraphic range: Silurian
Type	Formation
Location
Region	Ontario
Country	Canada

Last updated December 04, 2025

The St. Edmund Formation is a geologic formation in Ontario. It preserves fossils dating back to the Silurian period.

It is located with a number of nearby formations, namely that of Cabot Head and Wingfield in the cliff exposure at Rocky Bay (Also called Clay Cliffs), approximately 3.5 km West of Cabot Head. Initially described as dolomite in 1919.^[1]^[2]

References

↑ Brunton, Frank R.; Turner, Elizabeth; Armstrong, Derek (September 2009). A Guide to the Paleozoic Geology and Fossils of Manitoulin Island and northern Bruce Peninsula, Ontario, Canada. Canadian Paleontology Conference.
↑ Brunton, Frank; Rowell, D. J. (2012). The St. Edmund Formation—The Next Major Bedrock-Derived Aggregate Source in Ontario? (Report).

Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database" . Retrieved 17 December 2021.

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[1] Brunton, Frank R.; Turner, Elizabeth; Armstrong, Derek (September 2009). A Guide to the Paleozoic Geology and Fossils of Manitoulin Island and northern Bruce Peninsula, Ontario, Canada. Canadian Paleontology Conference.

[2] Brunton, Frank; Rowell, D. J. (2012). The St. Edmund Formation—The Next Major Bedrock-Derived Aggregate Source in Ontario? (Report).

[1]

[2]

St. Edmund Formation

See also

References