Lockport Group
The Lockport Group is a geologic group in the Appalachian Basin and Michigan Basin in the northeastern United States and Canada. This unit makes up the Niagara Escarpment. Its most famous feature is Niagara Falls. The unit outcrops in New York, Ontario, Michigan, Wisconsin, and Illinois.
| Lockport Group | |
|---|---|
| Stratigraphic range: Sheinwoodian-Homerian ~ | |
| Type | Group |
| Unit of | Cayugan Series |
| Sub-units | |
| Underlies | Vernon Formation |
| Overlies | Clinton Group |
| Lithology | |
| Primary | Dolomite |
| Other | Limestone, Chert |
| Location | |
| Region | New York, Ohio, Pennsylvania, West Virginia |
| Country | United States, Canada |
| Extent | Appalachian Basin, Michigan Basin |
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