| Computer Code: |
RAVN |
Preferred Map Code: |
RAVN |
| Status Code: |
Full |
| Age range: |
Arenig Series (OR)
— Arenig Series (OR) |
| Lithological Description: |
Lava, tuff and mudstone. |
| Definition of Lower Boundary: |
Faulted. |
| Definition of Upper Boundary: |
Overlain by Kirkton Formation. |
| Thickness: |
55-70m |
| Geographical Limits: |
Southern Uplands of Scotland, Leadhills area. |
| Parent Unit: |
Crawford Group (CRFD)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Raven Gill, Glencaple, Leadhills. |
| Reference Section |
Glencaple Burn. |
| Reference(s): |
| Hepworth, B C, 1981. Geology of the rocks between Leadhills and Abington, Lanarkshire. University of St.Andrews PhD thesis (unpublished). |
| Floyd, J D. 1996. Lithostratigraphy of the Ordovician rocks in the Southern Uplands: Crawford Group, Moffat Shale Group, Leadhills Supergroup. Transactions of the Royal Society of Edinburgh: Earth Sciences, Vol. 86, 153-165. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S015
|
