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 University of St.Andrews PhD thesis (unpublished).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
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