| Lockport Formation Stratigraphic range: Silurian | |
|---|---|
| Type | Formation |
| Location | |
| Region | Ontario and New York State |
| Country | Canada and United States |
The Lockport Formation is a geologic formation in Ontario and New York State. It preserves fossils dating back to the Silurian period. It is named after the city of City of Lockport, New York, where the Erie Canal cuts through and exposes beds of dolomite.
The Rochester Shale is a geologic formation exposed in New York and West Virginia. 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 Lockport Dolomite is a geologic formation in Ohio. It preserves fossils dating back to the Silurian period.
The Java Formation is a geologic formation in Kentucky, New York, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia. It preserves fossils dating back to the Devonian period. The formation comprises the Pipe Creek Shale, Wiscoy Sandstone Member in New York, and Hanover Shale Member except in Tennessee.
The Lockport Group is a geologic group in New York. It preserves fossils dating back to the Silurian period.
The Medina Group is a geologic group in New York. It preserves fossils dating back to the Silurian period. The group includes the Whirlpool Sandstone, Power Glen Shale, Devils Hole Sandstone, Grimsby Formation, Thorold Sandstone, Cambria Shale and Kodak Sandstone.
The Irondequoit Limestone is a geologic formation in New York and southern Ontario. It preserves fossils dating back to the Silurian period.
The Power Glen Shale is a geologic formation in New York. It preserves fossils dating back to the Silurian period.
The Stooping River 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 Bobcaygeon 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 Lindsay Formation is a geologic formation in Ontario. It preserves fossils dating back to the Ordovician period.
The Dyer Bay 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.
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