Verulam Formation
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The Verulam Formation is a geologic formation and Lagerstätte in Ontario, Canada. It preserves fossils dating back to the Katian stage of the Ordovician period, or Shermanian to Chatfieldian in the re
Outcrop along Kirkfield Rd., Kawartha Lakes.
Trenton Group
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The Trenton Group or Trenton Limestone is a geologic group in Kentucky, Michigan, Ohio, New York, Indiana, Pennsylvania, West Virginia, and Ontario. It dates back to the Ordovician period and is prima
Verulam Formation
…period, or Shermanian to Chatfieldian in the regional stratigraphy. The Verulam Formation belongs to the Simcoe Group in South-central Ontario and to the Trenton Group in Southwestern Ontario. Within the Simcoe Group, it overlies the Bobcaygeon Formation. Both the Bobcaygeon and Verulam Formations are composed of…
Lingulae in Trenton Group limestone from Canada