| Computer Code: |
GRBCO |
Preferred Map Code: |
notEntered |
| Status Code: |
Index Level |
| Age range: |
Duckmantian Substage (CB)
— Duckmantian Substage (CB) |
| Lithological Description: |
Coal. |
| Definition of Lower Boundary: |
No known description. |
| Definition of Upper Boundary: |
No known description. |
| Thickness: |
0.5 m thick |
| Geographical Limits: |
The Barnsley District. |
| Parent Unit: |
Pennine Middle Coal Measures Formation (PMCM)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Opencast sites at Nether Haugh (SK49NW/027), Fox Covert (../011), Morley Bridge (../025), Westfield Cottage (../039), and all around Wentworth to the southwest of Barnsley. |
| Reference(s): |
| none recorded or not applicable |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |