Computer Code: |
BNR |
Preferred Map Code: |
notEntered |
Status Code: |
Index Level |
Age range: |
Duckmantian Substage (CB)
— Duckmantian Substage (CB) |
Lithological Description: |
Flaggy sandstone of variable thickness and composition. |
Definition of Lower Boundary: |
none recorded or not applicable
|
Definition of Upper Boundary: |
none recorded or not applicable
|
Thickness: |
0 to c.36m |
Geographical Limits: |
West and south Yorkshire, especially the area around Rawmarsh and Wentworth and near Barnsley. Becomes thicker southwards from the Calder valley. |
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: |
none recorded or not applicable |
Reference(s): |
none recorded or not applicable |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E070
E087
E078
|