| Computer Code: |
PSKB |
Preferred Map Code: |
PSKB |
| Status Code: |
Full |
| Age range: |
Wenlock Epoch (SW)
— Wenlock Epoch (SW) |
| Lithological Description: |
Alternating beds of grey, medium-grained, turbiditic sandstone (greywacke) with washed-in fossil debris of brachiopods, molluscs, trilobites etc; and grey siltstones - in some cases laminated with silty mudstone. |
| Definition of Lower Boundary: |
Not seen, formation occurs in core of anticline. |
| Definition of Upper Boundary: |
Presumed transitional with overlying greywacke/siltstone sequence of Patrick Burn Formation, but everywhere faulted. |
| Thickness: |
200m |
| Geographical Limits: |
Muirkirk to Strathaven area, Strathclyde region, Central Scotland. |
| Parent Unit: |
Priesthill Group (Cf Hagshaw Group) (PRH)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Partial Type Section |
Exposures in Ponesk Burn. |
| Reference(s): |
| Paterson, I B, McAdam, A D and MacPherson, K A T. 1998. Geology of the Hamilton district. Memoir of the British Geological Survey, Sheet 23W (Scotland). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S023
S015
|
