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Country:
 | 
Great Britain 
 | 
| 
Province:
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England,Lancashire 
 | 
| 
Locality:
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Holcombe Brook 
 | 
| 
Layer:
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Holcombe Brook Series | 
| 
Lower Boundary:
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Marsdenian--Yeadonian         [MRD--YEA], 313.8 million years
 
 | 
| 
Upper Boundary:
 | 
Yeadonian--Langsettian, Westph.A [YEA--, 313 million years
 
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| 
Georeference:
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