LocNo: 6530Nakadaira Fm., lower shales
| Country: |
Japan
|
| Province: |
Kitakami Massif,Southern
|
| Locality: |
Nakadaira, northwest of, Loc.A (Ehiro)
|
| Layer: | Nakadaira Fm., lower shales |
| Lower Boundary: |
RUS Zhigulian--Orenburgian [Ruzhentsev], 305 million years
|
| Upper Boundary: |
UTX Kungurian/Leonardian base, 275.6 million years
|
| Georeference: |