| 
Country:
 | 
Poland 
 | 
| 
Province:
 | 
Western Pommerania 
 | 
| 
Locality:
 | 
Wierzchowo 10 borehole 
 | 
| 
Layer:
 | 
cu I, 3545-3552 m | 
| 
Lower Boundary:
 | 
Devonian--Carboniferous Boundary   [DCB], 359.2 million years
 
 | 
| 
Upper Boundary:
 | 
low.Tournais.--mid.Tournais.  [Tn1--Tn2], 357.5 million years
 
 | 
| 
Georeference:
 | 
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