| Age | Carboniferous ~ |
|---|---|
| Prilithology | Limestone |
| Namedfor | Amesville, Ohio |
| Region | Ohio, Pennsylvania, West Virginia |
| Country | United States |
| Unitof | Conewango Group |
| Subunits | None |
| Thickness | 1 - 4' |
The Ames Limestone is a geologic member in Ohio, Kentucky, Pennsylvania and West Virginia. It is part of the Conemaugh Group. Formerly known as "Crinoidal Limestone" and "Green Fossiliferous Lime", it was renamed to Ames.[1]
Fossils of Echinoderm, Brachiopod, and Gastropoda are commonly found in the Ames.[2]
Description
The Ames is a thin Marker bed of Limestone and/or Fossiliferous limestone. It marks a transition from a predominantly marine environment to predominantly alluvial environment. The Ames serves as a marker for the boundary for the Casselman Formation and the Glenshaw Formation. [2]
References
- ^ "Geolex — Ames publications". ngmdb.usgs.gov. Retrieved 2023-09-07.
- ^ "Sedimentation in Western Pennsylvania". University of Pittsburgh. September 2023.