LocNo: 6531Nakadaira Fm., middle portion
| Country: |
Japan
|
| Province: |
Kitakami Massif,Southern
|
| Locality: |
Natsugayoi, northeast of, Loc.B (Ehiro)
|
| Layer: | Nakadaira Fm., middle portion |
| Lower Boundary: |
RUS Zhigulian--Orenburgian [Ruzhentsev], 305 million years
|
| Upper Boundary: |
UTX Kungurian/Leonardian base, 275.6 million years
|
| Georeference: |