| Lorraine Group | |
|---|---|
| Stratigraphic range: Ordovician | |
 | |
| Type | Group |
| Sub-units | Utica Shale, Frankfort Shale, and the Whetstone Gulf Formation [1] |
| Overlies | Trenton Group |
| Location | |
| Region | Tennessee, Kentucky, Indiana, Ohio, New York, Ontario, Quebec |
| Country | Canada and United States |
The Lorraine Group is a geologic group in the northeastern United States and southeastern Canada.
It preserves fossils dating back to the Ordovician Period.
The group is host to pyritized trilobites and other fossils in New York including the Beecher's Trilobite Bed. [1]
