LocNo: 2631Portage Shales
| Country: |
USA
|
| Province: |
New York, Chautauqua Co.
|
| Locality: |
Portland Harbor
|
| Layer: | Portage Shales |
| Lower Boundary: |
UNY Middlesex--Lower Cashaqua (18--19), 382.1 million years
|
| Upper Boundary: |
UNY Lower--Upper Cashaqua (19--20), 381.6 million years
|
| Georeference: |