| Williamsville Formation | |
|---|---|
| Stratigraphic range: Silurian | |
| Type | Formation |
| Location | |
| Region | Ontario |
| Country | Canada |
The Williamsville Formation is a geologic formation in Ontario. It preserves fossils dating back to the Silurian period.
The Dundee Limestone is a geologic formation in Michigan, Ohio and Ontario. It preserves fossils dating back to the Devonian period.
The Williams Island Formation is a geologic formation in Ontario. It preserves fossils dating back to the Devonian period.
The Stooping River Formation is a geologic formation in Ontario. It preserves fossils dating back to the Devonian period.
The Murray Island Formation is a geologic formation in Ontario. It preserves fossils dating back to the Devonian period.
The Kwataboahegan Formation is a geologic formation in the Moose River and Hudson Bay basins in northern Ontario, containing fossils from the Lower to Middle Devonian period. It is characterized by brown bituminous stromatoporoid-coral floatstone to bindstone and stromatoporoid-coral-crinoid wackestone-packstone-rudstones, interbedded with light grey, bioclastic wackestone-packstone.
The Hungry Hollow Formation is a geologic formation in Ontario. It preserves fossils dating back to the Devonian period. Remains of the Devonian polychaete Arkonips are known from this formation.
The Arkona Shale is a geologic formation in Ontario. It preserves fossils dating back to the Devonian period.
The Amherstburg Formation is a geologic formation in Ontario, Canada and Michigan, United States. It preserves fossils dating back to the Devonian period.
The Aberdeen Lake Formation is a geologic formation in Ontario. It preserves fossils dating back to the Ordovician period.
The Surprise Creek Formation is a geologic formation in Ontario. It preserves fossils dating back to the Ordovician period.
The Bobcaygeon Formation is a geologic formation in Ontario. It preserves fossils dating back to the Ordovician period.
The Ottawa Formation is a geologic formation in Ontario. It preserves fossils dating back to the Ordovician period.
The Cobourg Formation is a geologic formation in Ontario. It preserves fossils dating back to the Ordovician period. Technically the formation extends into New York State with Canadian section called Lindsay Formation.
The Lowville Formation is a geologic formation in Ontario. It preserves fossils dating back to the Ordovician period.
The Oxford Formation is a geologic formation in Ontario, Canada. It preserves fossils dating back to the Ordovician period.
The Lindsay Formation is a geologic formation in Ontario. It preserves fossils dating back to the Ordovician period.
The Ekwan River Formation is a geologic formation in Ontario. It preserves fossils dating back to the Silurian period.
The Fossil Hill Formation is a geologic formation in Ontario. It preserves fossils dating back to the Silurian period.
The Manitoulin Dolomite is a geologic formation in Ontario. It preserves fossils dating back to the Silurian period.
The Scarborough Formation is a Pleistocene geologic formation in Ontario.
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