| Computer Code: |
PNC |
Preferred Map Code: |
PNC |
| Status Code: |
Full |
| Age range: |
Llandovery Epoch (SL)
— Llandovery Epoch (SL) |
| Lithological Description: |
Irregular packets and lenses of pebble and boulder conglomerate within wacke sandstone. Clasts include vein quartz, quartzite, rhyolite, microgranite, granophyre, granite, chert and mudstone. |
| Definition of Lower Boundary: |
Enclosed within wacke sandstone of the Mindork Formation. |
| Definition of Upper Boundary: |
Enclosed within wacke sandstone of the Mindork Formation. |
| Thickness: |
Several packets of beds, some packets up to 100m thick. |
| Geographical Limits: |
Southern Uplands of Scotland. |
| Parent Unit: |
Mindork Formation (MDK)
|
| Previous Name(s): |
Pinstane Conglomerate [Obsolete Name and Code: Use PNC]
(-1124)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Immediately south of summit of Pinstane, 13km northwest of Moffat. |
| Reference(s): |
| Peach, B N and Horne, J. 1899. The Silurian Rocks of Britain, Volume 1. Scotland. Memoir of the Geological Survey of the United Kingdom. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
