| 
Country:
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Poland 
 | 
| 
Province:
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Western Pommerania 
 | 
| 
Locality:
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Wierzchowo 4 borehole 
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| 
Layer:
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do VI, 4606-4615 m | 
| 
Lower Boundary:
 | 
UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
 
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| 
Upper Boundary:
 | 
Devonian--Carboniferous Boundary   [DCB], 359.2 million years
 
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| 
Georeference:
 | 
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