| Computer Code: |
SSR |
Preferred Map Code: |
SSR |
| Status Code: |
Pending Upgrade |
| Age range: |
Onnian Substage (ON)
— Onnian Substage (ON) |
| Lithological Description: |
Limestone flysch. |
| Definition of Lower Boundary: |
Conformably overlies the Ardwell Formation. |
| Definition of Upper Boundary: |
Conformably overlain by the Threemile Formation. |
| Thickness: |
60 metres. |
| Geographical Limits: |
Not defined. |
| Parent Unit: |
Whitehouse Subgroup (WHE)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Foreshore, south of Girvan, Sheet SO07. |
| Reference(s): |
| Harper, D A T, 1984. Brachiopods from the Upper Ardmillan succession (Ordovician) of the Girvan district, Scotland. Part 1. Monograph of the Palaeontographical Society, London. 1-78 (Publication No.565, part of Vol.136 for 1982). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S007
|
