LocNo: 1212Base of Antrim Fm.
| Country: |
USA
|
| Province: |
Michigan
|
| Locality: |
Partridge Point S of Alpena
|
| Layer: | Base of Antrim Fm. |
| Lower Boundary: |
AUW Frasnian A--B, 384.6 million years
|
| Upper Boundary: |
UD1D--UD1E:S.syngon.--P.lutheri [02,00], 381.6 million years
|
| Georeference: |