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
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