LocNo: 3435Upper Visean
| Country: |
Kazakhstan
|
| Province: |
Karagandinskaya Obl.
|
| Locality: |
Ak-Cheku
|
| Layer: | Upper Visean |
| Lower Boundary: |
DER Go beta--gamma, granos.base [P1--P2], 328.2 million years
|
| Upper Boundary: |
Visean--Namurian/Serpukhovian [VIS--NAM], 326.4 million years
|
| Georeference: |