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Country:
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Belgium 
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| 
Province:
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Hainaut 
 | 
| 
Locality:
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Charbonnages de Forte-Taille 
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| 
Layer:
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2., 825 m, Niveau R | 
| 
Lower Boundary:
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GBY R2a--R2b(Ph.gracilis--Bil.bilinguis), 314.8 million years
 
 | 
| 
Upper Boundary:
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GBY R2b (eometabilinguis--metabilinguis), 314.4 million years
 
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| 
Georeference:
 | 
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