| Computer Code: |
PBU |
Preferred Map Code: |
notEntered |
| Status Code: |
Pending Upgrade |
| Age range: |
Aeronian Age (SA)
— Aeronian Age (SA) |
| Lithological Description: |
A bedded grey mudstone, probably of turbiditic origin. |
| Definition of Lower Boundary: |
A conformable contact of this prominent mudstone with sandstone of the enclosing Saugh Hill Grits Formation. |
| Definition of Upper Boundary: |
A conformable contact of this prominent mudstone with sandstone of the enclosing Saugh Hill Grits Formation. |
| Thickness: |
30 m thick. |
| Geographical Limits: |
Limited to Penwhapple Burn, near Girvan, but may correlate with the Glenshalloch Shale Formation (GLSH) in the Craighead Inlier. May not be able to see outcrop on the map at this scale. |
| Parent Unit: |
Saugh Hill Grits Formation (SHSG)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Penwhapple Burn, 4km east of Girvan, Ayrshire, Scotland. Floyd and Williams, 2003. |
| Reference(s): |
| Hoey, A N. 1990. The geology of the Silurian rocks of the Girvan District, Scotland. Unpublished PhD thesis, National University of Ireland. |
| Cocks, L R M and Toghill, P, 1973. The biostratigraphy of the Silurian rocks of the Girvan District, Scotland. Journal of the Geological Society of London, Vol. 129, 209-243. |
| Floyd, J D and Williams, M. 2003. A revised correlation of Silurian rocks in the Girvan district, SW Scotland. Transactions of the Royal Society of Edinburgh: Earth Sciences, Vol. 93 (for 2002), 383-92. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S008
|
