| Computer Code: |
BADS |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Bolsovian Substage (CC)
— Bolsovian Substage (CC) |
| Lithological Description: |
Mudstones, siltstones and sandstones. Grey beds with thin coals in lower part. Red beds above. |
| Definition of Lower Boundary: |
Base of First Cherry Tree Marker (mudstones with bivalves). |
| Definition of Upper Boundary: |
Not defined. (Highest preserved bed of Coal Measures beneath the sub-Permian Unconformity). |
| Thickness: |
c.90m+ |
| Geographical Limits: |
Yorkshire Coalfield. |
| Parent Unit: |
Pennine Upper Coal Measures Formation (PUCM)
|
| Previous Name(s): |
Badsworth Division [Obsolete Name and Code: Use BADS]
(-1326)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Partial Type Section |
Cherry Tree Borehole (near South Elmsall, Yorkshire). SE41SE/9. Depths of member 0 - 16.61m (samples RG 4241 - 4455 from 50' to 1946'). |
| Partial Type Section |
Badsworth No.4 Borehole, Badsworth, Yorkshire. SE41SE/1. Depths of member 0-76.96m (samples RG 4566-4595 from 138' to 620'). |
| Reference(s): |
| Goossens, R F and Smith, E G, 1973. The stratigraphy and structure of the Upper Coal Measures in the exposed Yorkshire Coalfield between Pontefract and South Kirkby. Proceedings of the Yorkshire Geological Society, Vol.39, 487-514. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
