| Country: |
Poland
|
| Province: |
Upper Silesian Coal Basin
|
| Locality: |
Boleslaw 33 borehole
|
| Layer: | Go gamma 2, 515-518 m |
| Lower Boundary: |
DER Go gamma 1-2,liethens.base,P2c base, 327.8 million years
|
| Upper Boundary: |
Visean--Namurian/Serpukhovian [VIS--NAM], 326.4 million years
|
| Georeference: |
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