| 
Country:
 | 
Great Britain 
 | 
| 
Province:
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England,Yorkshire 
 | 
| 
Locality:
 | 
Leighton Reservoir borehole 
 | 
| 
Layer:
 | 
E2 | 
| 
Lower Boundary:
 | 
Pendleian--Arnsbergian        [PND--ARN], 324 million years
 
 | 
| 
Upper Boundary:
 | 
Arnsbergian--Chokierian [ARN--CHO], 319 million years
 
 | 
| 
Georeference:
 | 
 |