| Computer Code: |
GVN |
Preferred Map Code: |
GVN |
| Status Code: |
Full |
| Age range: |
Llandovery Epoch (SL)
— Wenlock Epoch (SW) |
| Lithological Description: |
Sandstone, conglomerate, siltstone and mudstone. |
| Definition of Lower Boundary: |
Unconformable upon the Ardmillan Group. |
| Definition of Upper Boundary: |
Unconformably overlain by the Lanark Group or the Inverclyde Group. |
| Thickness: |
2837 m thick. |
| Geographical Limits: |
Girvan area, south-west Scotland. |
| Parent Unit: |
Not Applicable (-)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Penwhapple Burn |
| Reference(s): |
| 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. |
| Lapworth, C, 1882. The Girvan Succession. Quarterly Journal of the Geological Society of London, Vol. 38, 537-666. |
| 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. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
